- 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
2f5ba2bc8b14a1d079562a15eb49011bb30c81d504116a4609b988902c3f75a6- SHA1
750cdedcc063d510611ef2199e05b4e142351b3c- MD5
dfa49d8d4dcf8c59e923badb63607636- Filename
- Vfvuv.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 817664
- Compile time
- 2075-07-05T05:30:25Z
- PE platform
- x86 32-bit
- PE sections
- 3
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 2. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 70%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections70%
VirusSign confidence100%
Relationship context2 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.
Commonalities
RELATIONSHIP CONSTELLATION
No observations in this view
Available evidence appears in the other investigation lenses.
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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
15%
high
powershell
2041 bytes
drops
Filename
sleestak_payload_1.ps1
Family
invokerbot
Type
trojan
File type
powershell
MIME
text/plain
Dropped / child files
Files dropped, bundled, or created by the queried file.
1shown
0%
xml
490 bytes
contains
Filename
MANIFEST_1-x0.xml
File type
xml
MIME
application/xml
Size
490
SHA1
cac699787884fb993ced8d7dc47b7c522c7bc734
Analysis details
Severity: hightrojanexedotnetpayloadpolymorphic
Freshness: Fresh · Last seen 4 days ago.
- Detection rate
- 70%
- Threat type
- trojan
- Family
- msil
- Confidence
- 100%
- detection
- 70 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
2f5ba2bc8b14a1d079562a15eb49011bb30c81d504116a4609b988902c3f75a6- SHA1
750cdedcc063d510611ef2199e05b4e142351b3c- MD5
dfa49d8d4dcf8c59e923badb63607636- Filename
- Vfvuv.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- File size
- 817664
- Compile time
- 2075-07-05T05:30:25Z
- PE platform
- x86 32-bit
- PE sections
- 3
- Import libraries
- 1
- TLSH
T18605AE5776224E25D1444A37C0DB4540C3E59E8266A7F30FB284339A2D077FEEE4A6EB- SSDEEP
12288:4owbCbUWu8bjUgi5ZE0gJALZvEH/w3osOQvHCYjpYgW:raWu8bOjlIY3ztvnYD- Imphash
f34d5f2d4577ed6d9ceec516c1f5a744- First seen
- 2026-11-05T08:09:48Z
- Last seen
- 2026-11-08T18:45:57Z
- 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: 2. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 70%.
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
2 related indicators are shown across 2 relationship group(s).
Observation timeline
3 timestamped observations are arranged from 2015-08-13 to 2075-07-05. 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.
2 relationship group(s) provide pivot and infrastructure context.
Classification context: type trojan, family msil.
Last seen 4 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
- Vfvuv.exe
- File type
- peexe
- MIME
- application/vnd.microsoft.portable-executable
- Size
- 817664
- Compile time
- 2075-07-05T05:30:25Z
- PE platform
- x86 32-bit
- Entry point
- 822846
- Sections
- 3
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: 2075-07-05T05:30:25Z
View details · 1 shown
- Platform
- x86 32-bit
- Entry point
- 822846
- Sections
- 3
- Compile time
- 2075-07-05T05:30:25Z
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
- 814660
- Raw size
- 815104
- Permissions
- rx
- Entropy
- 7.44
- Name
- .rsrc
- Virtual address
- 827392
- Virtual size
- 1368
- Raw size
- 1536
- Permissions
- r
- Entropy
- 3.91
- Name
- .reloc
- Virtual address
- 835584
- 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
Behavior details
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- access .NET resource
- check if file exists
- compiled to the .NET platform
- compress data using GZip in .NET
- decode data using Base64 in .NET
5 shown
View MITRE ATT&CK details · 5 shown
- T1057 — The process attempted to detect a running debugger using common APIsTactics: TA0007
- T1129 — The process attempted to dynamically load a malicious functionTactics: TA0002
- T1012 · T1082 — The process tried to collect informations about the system reading some known registry keysTactics: TA0007
- T1083 — check if file existsTactics: TA0007
- T1560.002 — compress data using GZip in .NETTactics: TA0009
5 shown
View MBC details · 5 shown
- C0027.001 — AESObjectives: OC0005
- C0026.001 · C0053.001 — Base64Objectives: OC0004
- C0024 — Compress DataObjectives: OC0004
- E1027.m02 — Encoding-Standard AlgorithmObjectives: OB0002 · OB0006
- E1027.m05 — Encryption-Standard AlgorithmObjectives: OB0002 · OB0006
5 shown