- 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
dfc1d6d6f5686fd52c59ea810da291636b0f8cc29f1db96840eaf96996f04252- SHA1
2cf74bf0d4ba52c8a7718dda0bd798069bd216a2- MD5
c9944ead0c6ade70fb5aae023d3fb8e1- Filename
- SANTSSWK20100001.bat
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 1055232
- Compile time
- 2026-10-23T05:06:58Z
- PE platform
- x86 32-bit
- PE sections
- 3
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 7. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 74%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections74%
VirusSign confidence100%
Relationship context7 visible
Threat classificationmsil
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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
27%
high
zip
1960830 bytes
contains
Filename
d41a0c104e740d4620c4e20b2febbb20.file
Family
msil
Type
trojan
File type
zip
MIME
application/zip
Dropped / child files
Files dropped, bundled, or created by the queried file.
5shown
0%
text
1389 bytes
drops
Filename
executable.exe.log
File type
text
MIME
text/plain
Size
1389
SHA1
0aff12b5e9b44b36c47d637a4becc87fa911d0b8
0%
json
33284 bytes
drops
Filename
extension0
File type
json
MIME
application/json
Size
33284
SHA1
a050a02c78b9c933e3a4f978c9b25a3dfa57f985
0%
json
102446 bytes
drops
Filename
lrb2n23m.yh3
File type
json
MIME
application/json
Size
102446
SHA1
49228e1eff16406f447510c44aa7bd8455271941
0%
peexe
522216 bytes
drops
Filename
werfault.exe
File type
peexe
MIME
application/vnd.microsoft.portable-executable
Size
522216
Compile time
2087-09-30T11:47:46Z
0%
sql
51200 bytes
drops
Filename
edge_Login Data
File type
sql
MIME
application/octet-stream
Size
51200
SHA1
7d3da15317e67c7c3dc12ec03f8450b16f4c109f
Related IPs
Network IPs associated with this indicator.
1shown
15%
medium
US
communicates
CIDR
172.81.128.0/21
Network
172.81.131.0-172.81.131.255
First seen
2024-02-22T17:49:43Z
Last seen
2026-11-06T17:03:04Z
Analysis details
Severity: criticaltrojanexec-delaydebug-checkmacro-create-oleexepolymorphicdotnetexecutionratremcosstealercollection
Freshness: Fresh · Last seen 6 days ago.
- Detection rate
- 74%
- Threat type
- trojan
- Family
- msil
- Confidence
- 100%
- detection
- 74 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
dfc1d6d6f5686fd52c59ea810da291636b0f8cc29f1db96840eaf96996f04252- SHA1
2cf74bf0d4ba52c8a7718dda0bd798069bd216a2- MD5
c9944ead0c6ade70fb5aae023d3fb8e1- Filename
- SANTSSWK20100001.bat
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 1055232
- Compile time
- 2026-10-23T05:06:58Z
- PE platform
- x86 32-bit
- PE sections
- 3
- Import libraries
- 1
- TLSH
T1E62512786399EB02E4BA17F80571E23597B16E8EB431D2078FE7ACDF3924F015A18593- SSDEEP
24576:q0OSrGbptkL+kxVXB8twj+pctvt5DAWmukQPYGK4o2WCABsiPB:q07rGdaKkRKwCpcL5+LQnCCDiP- Imphash
f34d5f2d4577ed6d9ceec516c1f5a744- First seen
- 2026-10-23T21:46:49Z
- Last seen
- 2026-11-06T17:02:59Z
- Filename variants
- 3 reported
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: 7. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 74%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type trojan and family msil.
Relationship context
7 related indicators are shown across 3 relationship group(s). Additional relationship intelligence is available through API and data access.
Observation timeline
8 timestamped observations are arranged from 2024-02-22 to 2087-09-30. 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.
3 relationship group(s) provide pivot and infrastructure context.
Classification context: type trojan, family msil.
Last seen 6 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
- SANTSSWK20100001.bat
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 1055232
- Compile time
- 2026-10-23T05:06:58Z
- PE platform
- x86 32-bit
- Entry point
- 1060642
- Sections
- 3
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- .NET source code contains method to dynamically call methods (often used by packers)
- .NET source code contains potential unpacker
- A DLL was loaded from a suspicious directory
- Adds a directory exclusion to Windows Defender
- Allocated memory and changed its protection to PAGE_NOACCESS, may be used to hide payloads from memory scanners or to trigger an access violation for exception-driven execution
5 shown
View MITRE ATT&CK details · 5 shown
- T1027.002 — .NET source code contains method to dynamically call methods (often used by packers)Tactics: TA0005
- T1574 — A DLL was loaded from a suspicious directoryTactics: TA0002 · TA0005
- T1027 · T1055 — Allocated memory and changed its protection to PAGE_NOACCESS, may be used to hide payloads from memory scanners or to trigger an access violation for exception-driven executionTactics: TA0004 · TA0005
- T1497 — Allocates memory with a write watch (potentially for evading sandboxes)Tactics: TA0005 · TA0007
- T1055 — Altered memory protections from dynamically allocated (unbacked) memory, indicative of self-modifying shellcode or memory patchingTactics: TA0004 · TA0005
5 shown
View MBC details · 5 shown
- Anti-Behavioral AnalysisObjectives: OB0001
- Anti-Static AnalysisObjectives: OB0002
- CollectionObjectives: OB0003
- CommunicationObjectives: OC0006
- Credential AccessObjectives: OB0005
5 shown
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity1
TCPports 8080
- 1 outbound connections observed
- 0 domains, 1 IPs, 0 URLs
- Common ports: 8080
- Protocols: TCP
View details · 1 shown
- IP
- 172.81.131.177
- Port
- 8080
- Protocol
- TCP
C2 candidates1
TCPports 8080
- 1 C2 candidate communications
- 0 domains, 1 IPs
- Common ports: 8080
- Protocols: TCP
View details · 1 shown
- IP
- 172.81.131.177
- Port
- 8080
- Protocol
- TCP
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: 2026-10-23T05:06:58Z
View details · 1 shown
- Platform
- x86 32-bit
- Entry point
- 1060642
- Sections
- 3
- Compile time
- 2026-10-23T05:06:58Z
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
- 1052456
- Raw size
- 1052672
- Permissions
- rx
- Entropy
- 7.87
- Name
- .rsrc
- Virtual address
- 1064960
- Virtual size
- 1524
- Raw size
- 1536
- Permissions
- r
- Entropy
- 4.18
- Name
- .reloc
- Virtual address
- 1073152
- 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
Resources2
2 resources
- 2 resources
- Resource types: RT_MANIFEST, RT_VERSION
View details · 2 shown
- Type
- RT_VERSION
- Language
- NEUTRAL
- Type
- RT_MANIFEST
- Language
- NEUTRAL