- 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
8bf23c98811ef06032a0a7ebe6c3e5ea0f7de853a2a53dffdd6a1dc48ccaddfc- SHA1
c0ffaedcce68f25ab0b29462875e208dbc01e1ff- MD5
4358ab6a2b4c9f252604849eb1aa87b3- Filename
- windows_i386.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 3584
- Compile time
- 2023-10-26T14:42:18Z
- PE platform
- x86 32-bit
- PE sections
- 3
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 1. 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 context1 visible
Threat classificationfragtor
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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.
Related IPs
Network IPs associated with this indicator.
1shown
11%
medium
US
communicates
CIDR
166.88.90.0/24
Network
166.88.90.0-166.88.90.255
First seen
2024-03-05T21:00:09Z
Last seen
2026-11-11T10:48:13Z
Analysis details
Severity: hightrojanpolymorphicexe
Freshness: Fresh · Last seen 3 days ago.
- Detection rate
- 74%
- Threat type
- trojan
- Family
- fragtor
- Confidence
- 100%
- detection
- 74 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
8bf23c98811ef06032a0a7ebe6c3e5ea0f7de853a2a53dffdd6a1dc48ccaddfc- SHA1
c0ffaedcce68f25ab0b29462875e208dbc01e1ff- MD5
4358ab6a2b4c9f252604849eb1aa87b3- Filename
- windows_i386.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 3584
- Compile time
- 2023-10-26T14:42:18Z
- PE platform
- x86 32-bit
- PE sections
- 3
- Import libraries
- 1
- TLSH
T188716198F3136AF1E43C86F940D3A664D1599BB8C250BF4D5E60381D3C610BA259EF97- SSDEEP
48:6Icwm0Hvt2WdJ8zrD7TLjpSpc1ZsSYr8XxhxhwcRaK:4jAvt/SNSYp- Imphash
e82dd51b077167be63c004bed23d0c1e- Richhash
f74c346ecbd50a4203aa4437d0f039c4- First seen
- 2026-11-07T20:14:47Z
- Last seen
- 2026-11-08T06:30:51Z
- Filename variants
- 2 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: 1. 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 fragtor.
Relationship context
1 related indicators are shown across 1 relationship group(s).
Observation timeline
2 timestamped observations are arranged from 2023-10-26 to 2024-03-05. 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.
1 relationship group(s) provide pivot and infrastructure context.
Classification context: type trojan, family fragtor.
Last seen 3 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
- windows_i386.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 3584
- Compile time
- 2023-10-26T14:42:18Z
- PE platform
- x86 32-bit
- Entry point
- 4096
- Sections
- 3
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity2
TCPports 443
- 2 outbound connections observed
- 0 domains, 1 IPs, 0 URLs
- Common ports: 443
- Protocols: TCP
View details · 2 shown
- IP
- 166.88.90.53
- Port
- 443
- IP
- 166.88.90.53
- Port
- 443
- Protocol
- TCP
DNS request activity1
A1 response IPs
- 1 DNS requests observed
- 1 unique queries
- 1 response IPs
- Query types: A
- Response codes: NOERROR
View details · 1 shown
- Query
- 166.88.90.53
- Type
- A
- Answers
- 166.88.90.53
- Response
- NOERROR
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: 2023-10-26T14:42:18Z
View details · 1 shown
- Platform
- x86 32-bit
- Entry point
- 4096
- Sections
- 3
- Compile time
- 2023-10-26T14:42:18Z
PE sections3
3 sections
- 3 PE sections
- Common permissions: r, rx
- 3 unique section names
View details · 3 shown
- Name
- .text
- Virtual address
- 4096
- Virtual size
- 1454
- Raw size
- 1536
- Permissions
- rx
- Entropy
- 6.0
- Name
- .rdata
- Virtual address
- 8192
- Virtual size
- 346
- Raw size
- 512
- Permissions
- r
- Entropy
- 2.46
- Name
- .reloc
- Virtual address
- 12288
- Virtual size
- 12
- Raw size
- 512
- Permissions
- r
- Entropy
- 0.08
Imports1
1 DLL groups
- 1 import DLL groups
- 1 imported functions summarized
View details · 1 shown
- Library
- KERNEL32.dll
- Functions
- Sleep
Behavior details
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- Connects to remote host
- Content matched by YARA rules
- Creates a page with write and execute permissions
- Delays execution
- Enables process privileges
5 shown
View MITRE ATT&CK details · 5 shown
5 shown
View MBC details · 4 shown
- B0032.020 — Argument ObfuscationObjectives: OB0002
- E1027.m02 — Encoding-Standard AlgorithmObjectives: OB0002 · OB0006
- B0032.017 — Stack StringsObjectives: OB0002
- C0026.002 — XORObjectives: OC0004