- First seen
- Last seen
THREAT SIGNALHigh
Read alongside the verdict
Indicator overview
INDICATOR PROFILEEngine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
- SHA256
caa99c3e36481da94f8106d2502a7772c3c105cd96c6449b1eb2cf1920d8e6a5- SHA1
c9699ccc9fcf8fa67990d35ff0e17a871e1b1cb5- MD5
81cc6782029de027e4983cc25015e963- Filename
- caa99c3e_office.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 476672
- Compile time
- 2021-11-11T08:37:07Z
- PE platform
- x86 32-bit
- PE sections
- 3
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 16. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 78%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections78%
VirusSign confidence100%
Relationship context16 visible
Threat classificationformbook
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Graph filters
Saved investigations
Compare when indicators were first seen, last seen and observed. Switch to Lifecycle to connect events for the same IOC.
Review approximate infrastructure locations and geographic concentration.
Commonalities
RELATIONSHIP CONSTELLATION
No observations in this view
Available evidence appears in the other investigation lenses.
SELECT A NODE TO EXPLORE
FILEDOMAINIPURL
Visible connections
Related intelligence
Pivot across connected files and infrastructure with analysis signals and supporting context.
Parent files
Files that may have delivered, loaded, or executed this indicator.
1shown
50%
critical
xlsx
620295 bytes
drops
Filename
1d5908fe_request 11_11_2021.xlsx.bin
Type
exploit
File type
xlsx
MIME
application/octet-stream
Size
620295
Related IPs
Network IPs associated with this indicator.
5shown
5%
low
SG
communicates
CIDR
172.96.190.0/23
Network
172.96.184.0-172.96.191.255
First seen
2026-05-11T23:27:12Z
Last seen
2026-05-23T03:05:24Z
0%
US
communicates
CIDR
172.67.128.0/17
Network
172.64.0.0-172.71.255.255
First seen
2023-10-03T01:00:00Z
Last seen
2026-11-14T06:10:21Z
0%
US
communicates
CIDR
104.20.0.0/15
Network
104.16.0.0-104.31.255.255
First seen
2023-09-30T16:34:38Z
Last seen
2026-11-14T06:10:21Z
SG
communicates
CIDR
1.32.248.0/21
First seen
2026-03-17T01:17:02Z
Last seen
2026-03-17T01:17:02Z
0%
GB
communicates
Network
37.123.118.0-37.123.118.255
First seen
2026-06-19T00:07:00Z
Last seen
2026-06-19T00:07:00Z
Related domains
Domains associated with this indicator.
5shown
0%
.com
communicates
Root
freepornlikes.com
TLD
com
First seen
2021-09-15T07:51:44Z
Last seen
2026-03-03T16:13:14Z
0%
.com
communicates
Root
austrianlankavilla.com
TLD
com
First seen
2024-09-10T10:29:08Z
Last seen
2025-12-06T06:30:55Z
10%
high
.com
communicates
Root
colesfax.com
TLD
com
Subdomain
www
First seen
2022-08-07T21:06:05Z
Last seen
2026-04-20T11:53:13Z
14%
medium
.com
communicates
Root
colesfax.com
TLD
com
First seen
2022-12-07T03:19:03Z
Last seen
2026-05-21T10:50:24Z
.quest
communicates
Root
corajevedrai.quest
TLD
quest
Subdomain
www
First seen
2021-09-16T17:40:49Z
Last seen
2026-05-12T20:44:01Z
Related URLs
URLs associated with this indicator.
5shown
0%
communicates
TLD
com
HTTP status
200
Content length
2548
Content SHA256
4abfff1b6d43fa2223c1fe95e454321680c6456a9071255037bd61d7213a997f
First seen
2021-11-15T03:38:21Z
4%
low
communicates
TLD
com
HTTP status
404
Content length
276
Content SHA256
68f884aa291f2c3b870f1189e7fbd9491d2403edd69ad6d2208a988fb43691fe
First seen
2021-11-15T03:38:21Z
4%
low
communicates
TLD
com
HTTP status
200
Content length
44404
Content SHA256
71e5ce92dbb656eb23b2d63698977cd01122fe7c7515b2b732f29201f048e541
First seen
2021-11-12T22:39:55Z
0%
communicates
TLD
com
HTTP status
200
Content length
2548
Content SHA256
4abfff1b6d43fa2223c1fe95e454321680c6456a9071255037bd61d7213a997f
First seen
2021-11-15T03:38:21Z
4%
low
communicates
TLD
com
HTTP status
200
Content length
4740
Content SHA256
52bebf6ae26c0db73ab28c387c41112651c525db7708ae6d5e4d7cec6b7f80d7
First seen
2021-11-15T03:38:21Z
Analysis details
Severity: criticaltrojanexedynamic-loadingdotnetcpu-clockdebug-check
Freshness: Historical · Last seen 610 days ago.
- Detection rate
- 78%
- Threat type
- trojan
- Family
- formbook
- Confidence
- 100%
- detection
- 78 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
caa99c3e36481da94f8106d2502a7772c3c105cd96c6449b1eb2cf1920d8e6a5- SHA1
c9699ccc9fcf8fa67990d35ff0e17a871e1b1cb5- MD5
81cc6782029de027e4983cc25015e963- Filename
- caa99c3e_office.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 476672
- Compile time
- 2021-11-11T08:37:07Z
- PE platform
- x86 32-bit
- PE sections
- 3
- Import libraries
- 1
- TLSH
T199A44F6C37018EE2ED0DB13045110AB5BB260FBF2350999727EB29C8A75EFB67D54C86- SSDEEP
6144:tc67s1woI0vd1nGeQxt6oQW1vUT5Mh0Uumsd9HPCFGKZTNBDiHPmP5:tc6bz0vmx4oQW1OU8bvCgANlivw5- Imphash
f34d5f2d4577ed6d9ceec516c1f5a744- First seen
- 2021-11-12T17:06:47Z
- Last seen
- 2025-03-13T23:14:44Z
Key findings
A focused interpretation of the evidence, relationships and observation history that matter most.
Analysis takeaway
Elevated engine detections. Related indicators in this report: 16. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 78%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type trojan and family formbook.
Relationship context
16 related indicators are shown across 4 relationship group(s). Additional relationship intelligence is available through API and data access.
Observation timeline
17 timestamped observations are arranged from 2021-09-15 to 2026-06-19. These are observation or metadata times, not execution order.
Why this verdict
Review the reported detections, analysis confidence and supporting context.
Engine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
Reported engine detection rate, not the probability that this indicator is malicious.
VirusSign analysis confidence; separate from detection rate and actor-association confidence.
4 relationship group(s) provide pivot and infrastructure context.
Classification context: type trojan, family formbook.
Last seen 610 days ago.
Signals reflect the intelligence returned in this report. Missing values mean not reported, not zero. Related indicators are investigation leads, not proof of shared malicious activity.
File profile
summarySelected file intelligence summary.
- Filename
- caa99c3e_office.exe.bin
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 476672
- Compile time
- 2021-11-11T08:37:07Z
- PE platform
- x86 32-bit
- Entry point
- 434478
- Sections
- 3
Observed behavior
summaryBehavioral indicators observed during analysis. More details and additional structured data are available through API and data access.
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity5+
HTTP, TCP, UDPports 80, 53
- 5+ outbound connections observed
- 5+ domains, 3 IPs, 5+ URLs
- Common ports: 80, 53
- Protocols: HTTP, TCP, UDP
View details · 5 shown
- Domain
- www.nbclassical.xyz
- URL
- http://www.nbclassical.xyz/upwd/?pdu=rwbsdizjedrwcpfckxt3/rnw1xgl87pter8rw/xytx7gmh3nydctrjjid35yr5o8k4g=&gd2=ftahfrr0ftrxh
- Protocol
- HTTP
- Domain
- www.bloominunity.net
- URL
- http://www.bloominunity.net/upwd/?pdu=aduvcmvvdtwhgxa9sthckejgp3f/tbzmbgscv047lvtad1avjik/q0edl1iobff7/qe=&gd2=ftahfrr0ftrxh
- Protocol
- HTTP
- Domain
- www.bloominunity.net
- URL
- http://www.bloominunity.net/upwd/
- Protocol
- HTTP
- Domain
- www.lightswartoyof5.xyz
- URL
- http://www.lightswartoyof5.xyz/upwd/
- Protocol
- HTTP
- Domain
- www.colesfax.com
- URL
- http://www.colesfax.com/upwd/?pdu=osnhidjzmjlkghsapaf8oogaiquxtyfwcft8yg5kdzxg9vk1bww1l3mzpta/ektzldu=&g8j8g=pfn8bdexcjjhuh3
- Protocol
- HTTP
5 shown
DNS request activity5+
A, A/AAAA5+ response IPs
- 5+ DNS requests observed
- 5+ unique queries
- 5+ response IPs
- Query types: A, A/AAAA
- Response codes: NOERROR
View details · 5 shown
- Query
- www.bloominunity.net
- Type
- A
- Answers
- 198.54.117.216, 198.54.117.215, 198.54.117.217, 198.54.117.218, 198.54.117.212, 198.54.117.210, 198.54.117.211
- Response
- NOERROR
- Query
- www.colesfax.com
- Type
- A
- Answers
- 209.99.16.24
- Response
- NOERROR
- Query
- www.worryfreeworld.com
- Type
- A
- Answers
- 110.42.135.229
- Response
- NOERROR
- Query
- www.thewisdomarts.com
- Type
- A
- Answers
- 34.102.136.180
- Response
- NOERROR
- Query
- www.tejpalmeet.com
5 shown
C2 candidates1
DNSports 53
- 1 C2 candidate communications
- 1 domains, 1 IPs
- Common ports: 53
- Protocols: DNS
View details · 1 shown
- IP
- 198.54.117.218
- Domain
- www.bloominunity.net
- Port
- 53
- Protocol
- DNS
File structure
selected detailsSelected observations and details. Additional structured data are available through API and data access.
PE header1
platform x86 32-bit3 sections
- Platform: x86 32-bit
- Sections: 3
- Entry point: present
- Compile time: 2021-11-11T08:37:07Z
View details · 1 shown
- Platform
- x86 32-bit
- Entry point
- 434478
- Sections
- 3
- Compile time
- 2021-11-11T08:37:07Z
PE sections3
3 sections
- 3 PE sections
- Common permissions: r, rx
- 3 unique section names
View details · 3 shown
- Name
- .text
- Virtual address
- 8192
- Virtual size
- 426292
- Raw size
- 426496
- Permissions
- rx
- Entropy
- 6.56
- Name
- .rsrc
- Virtual address
- 442368
- Virtual size
- 49070
- Raw size
- 49152
- Permissions
- r
- Entropy
- 6.96
- Name
- .reloc
- Virtual address
- 491520
- Virtual size
- 12
- Raw size
- 512
- Permissions
- r
- Entropy
- 0.1
Imports1
1 DLL groups
- 1 import DLL groups
- 1 imported functions summarized
View details · 1 shown
- Library
- mscoree.dll
- Functions
- _CorExeMain