- First seen
- Last seen
THREAT SIGNALMedium-high
Read alongside the verdict
Actor / APT signals unc5174 · 30% confidence View context
Possible actor associations to support your investigation.
- unc5174
- 30% signal confidence
Indicator overview
INDICATOR PROFILEEngine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
- SHA256
f6747947e813fbd2a763537e93b57cf07e14788d3b3abd7898b2ccd8b8a3a949- SHA1
ebaa76d172c0ee52e94571be8bee5081b2b9ce8b- MD5
c25cfd5efca44425bfa2fa442052e8af- Filename
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- File size
- 9848
- Actor context
- unc5174 · 30%
- TLSH
T198125147A2D1CE7FC8E813384467122472BBD47ADFA29713050C65B66E923DC1E6DF8A- SSDEEP
96:GjOTpJ4WHbHf5ntXlTTej6TNJ9VLNddfs2oYJYoBSf7meaamBFBp8hBdZvZ4:G6z4WThLTTfTpVPdfs2So8f2Tr8h3
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 13. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 43%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections43%
VirusSign confidence100%
Relationship context13 visible
Threat classificationvshell
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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.
Dropped / child files
Files dropped, bundled, or created by the queried file.
5shown
36%
high
elf
8007680 bytes
drops
Filename
memfd_a (deleted)
Family
vshell
Type
trojan
File type
elf
MIME
application/x-elf
241 bytes
contains
Filename
.shstrtab
MIME
application/octet-stream
Size
241
SHA1
5c542046e2fa8fda89433cbeb924678bed86b5b0
First seen
2026-04-28T01:00:56Z
0%
text
32 bytes
contains
Filename
_4
File type
text
MIME
text/plain
Size
32
SHA1
447eeb9da047efc5f7eb3192776c9ea489e36e07
0%
text
9 bytes
contains
Filename
.fini_14
File type
text
MIME
text/plain
Size
9
SHA1
fa7de3c1bbc31c0cfd7a16048b53b1bce8d2c590
0%
text
28 bytes
contains
Filename
.interp_2
File type
text
MIME
text/plain
Size
28
SHA1
4dfcf93efb863b86a864e5949997550f1e31bd64
Related IPs
Network IPs associated with this indicator.
5shown
5%
medium
SG
communicates
CIDR
18.128.0.0/12
Network
18.138.0.0-18.139.255.255
First seen
2025-12-12T17:47:50Z
Last seen
2026-11-10T18:11:05Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-12-12T04:33:57Z
Last seen
2026-11-11T21:10:29Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-10-01T07:36:54Z
Last seen
2026-11-11T21:10:29Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2023-09-30T18:03:12Z
Last seen
2026-11-11T21:10:29Z
Related domains
Domains associated with this indicator.
1shown
0%
.io
communicates
Root
snapcraft.io
TLD
io
Subdomain
api
First seen
2023-10-01T01:10:27Z
Last seen
2026-11-11T21:10:29Z
Related URLs
URLs associated with this indicator.
2shown
5%
medium
communicates
HTTP status
200
Content length
8007680
Content SHA256
dbefb00ded95bf1ce6b5733069c6e1c715a70a2c5f83da634ac6928d3d5f692a
First seen
2026-11-07T06:59:00Z
Last seen
2026-11-07T18:47:01Z
0%
communicates
HTTP status
200
Content length
637
Content SHA256
af44db26be11baa7878941cc1d95ccf043170236d6610ad24828affb44c873a6
First seen
2026-11-06T22:37:22Z
Last seen
2026-11-08T13:48:58Z
Analysis details
Severity: highactor:unc5174trojan64bitelfdebug-checkmalwarediscoverydownloaderunc5174loaderlinuxactor
Freshness: Fresh · Last seen 2 days ago.
- Detection rate
- 43%
- Threat type
- trojan
- Family
- vshell
- Confidence
- 100%
- detection
- 43 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
f6747947e813fbd2a763537e93b57cf07e14788d3b3abd7898b2ccd8b8a3a949- SHA1
ebaa76d172c0ee52e94571be8bee5081b2b9ce8b- MD5
c25cfd5efca44425bfa2fa442052e8af- Filename
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- File size
- 9848
- TLSH
T198125147A2D1CE7FC8E813384467122472BBD47ADFA29713050C65B66E923DC1E6DF8A- SSDEEP
96:GjOTpJ4WHbHf5ntXlTTej6TNJ9VLNddfs2oYJYoBSf7meaamBFBp8hBdZvZ4:G6z4WThLTTfTpVPdfs2So8f2Tr8h3- First seen
- 2026-11-07T16:05:49Z
- Last seen
- 2026-11-09T15:57:16Z
- Actor context
- unc5174 · 30%
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: 13. Review the supporting evidence before taking action.
Detection signal
Malicious. Engine detections are elevated at 43%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Actor context
Possible actor context is present for unc5174, but confidence is low.
Threat context
Classification includes type trojan and family vshell.
Relationship context
13 related indicators are shown across 4 relationship group(s). Additional relationship intelligence is available through API and data access.
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 vshell.
Low confidence. Possible association for investigation.
Last seen 2 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
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- Size
- 9848
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- All HTTP servers contacted by the sample do not answer. The sample is likely an old dropper which does no longer work.
- Classification label
- Connects to IPs without corresponding DNS lookups
- Contains symbols related to standard C library sleeps (sometimes used to evade sandboxing)
- Creates hidden files and/or directories
5 shown
View MITRE ATT&CK details · 5 shown
- T1497 — Contains symbols related to standard C library sleeps (sometimes used to evade sandboxing)Tactics: TA0005 · TA0007
- T1564.001 — Creates hidden files, links and/or directoriesTactics: TA0005
- T1571 — Detected TCP or UDP traffic on non-standard portsTactics: TA0011
- T1071 · T1095 · T1105 — Downloads files from webservers via HTTPTactics: TA0011
- T1064 — Executes commands using a shell command-line interpreterTactics: TA0002 · TA0005
5 shown
View MBC details · 5 shown
- Command and ControlObjectives: OB0004
- CommunicationObjectives: OC0006
- B0033 — Denial of ServiceObjectives: OB0008
- E1027.m02 — Encoding-Standard AlgorithmObjectives: OB0002 · OB0006
- C0002 — HTTP CommunicationObjectives: OC0006
5 shown
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity5+
HTTP, TCPports 443, 2086
- 5+ outbound connections observed
- 1 domains, 4 IPs, 2 URLs
- Common ports: 443, 2086
- Protocols: HTTP, TCP
View details · 5 shown
- Domain
- 18.139.85.136
- URL
- http://18.139.85.136:2086/?a=l64&h=18.139.85.136&t=ws_&p=2086
- Protocol
- HTTP
- IP
- 18.139.85.136
- Port
- 2086
- Protocol
- TCP
- Domain
- 18.139.85.136
- URL
- http://18.139.85.136:2086/
- Protocol
- HTTP
- IP
- 185.125.188.57
- Port
- 443
- Protocol
- TCP
- IP
- 185.125.188.54
- Port
- 443
- Protocol
- TCP
5 shown
DNS request activity1
A5+ response IPs
- 1 DNS requests observed
- 1 unique queries
- 5+ response IPs
- Query types: A
- Response codes: NOERROR
View details · 1 shown
- Query
- api.snapcraft.io
- Type
- A
- Answers
- 185.125.188.57, 185.125.188.60, 185.125.188.59, 185.125.188.58, 185.125.188.55, 185.125.188.54
- Response
- NOERROR
C2 candidates2
HTTP, TCPports 2086
- 2 C2 candidate communications
- 1 domains, 1 IPs
- Common ports: 2086
- Protocols: HTTP, TCP
View details · 2 shown
- IP
- 18.139.85.136
- Port
- 2086
- Protocol
- TCP
- Domain
- 18.139.85.136
- Protocol
- HTTP