- 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
bb09227978d30e052bb07eefccde92acf634795beeef114019964917f74ae753- SHA1
3cc10712209022650c1d9d9e5795ae9f97aee824- MD5
3bb122bd4e47e3231fa48a878365f426- Filename
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- File size
- 9848
- Actor context
- unc5174 · 30%
- Filename variants
- 2 reported
- TLSH
T186124147A2D1CE7FC8E813384457122472BBD47ADFA29713050C65766E923DC1E6DF8A
Connected context
Key findings
OBSERVED EVIDENCEAnalysis takeaway
Elevated engine detections. Related indicators in this report: 18. 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 context18 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
7835184 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
0%
US
communicates
CIDR
91.189.88.0/21
Network
91.189.88.0-91.189.95.255
First seen
2026-02-27T18:53:13Z
Last seen
2026-11-11T17:11:59Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2026-04-03T21:05:29Z
Last seen
2026-11-11T19:38:49Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2025-12-06T11:03:28Z
Last seen
2026-11-11T17:11:59Z
0%
GB
communicates
CIDR
185.125.188.0/22
Network
185.125.188.0-185.125.191.255
First seen
2025-12-06T11:03:28Z
Last seen
2026-11-11T17:11:59Z
0%
IE
communicates
CIDR
54.154.0.0/15
Network
54.144.0.0-54.221.255.255
First seen
2024-03-08T09:59:37Z
Last seen
2026-11-11T17:52:43Z
Related domains
Domains associated with this indicator.
5shown
0%
.com
communicates
Root
ubuntu.com
TLD
com
First seen
2023-09-29T00:41:59Z
Last seen
2026-11-11T20:15:11Z
0%
.com
communicates
Root
ubuntu.com
TLD
com
Subdomain
connectivity-check
First seen
2023-09-29T10:05:48Z
Last seen
2026-11-11T20:19:07Z
0%
.com
communicates
Root
ubuntu.com
TLD
com
Subdomain
motd
First seen
2023-10-01T01:10:27Z
Last seen
2026-11-11T21:05:05Z
0%
.io
communicates
Root
snapcraft.io
TLD
io
Subdomain
dashboard
First seen
2023-09-28T20:06:06Z
Last seen
2026-11-11T21:05:05Z
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.
3shown
19%
medium
communicates
HTTP status
200
Content length
8007680
Content SHA256
c19842f5d1b1ac6a956bff5a12bfb0395a54b091bf55ed6d8646b9a0162baee0
First seen
2026-11-09T18:58:25Z
Last seen
2026-11-10T04:31:52Z
19%
medium
communicates
HTTP status
200
Content length
637
Content SHA256
af44db26be11baa7878941cc1d95ccf043170236d6610ad24828affb44c873a6
First seen
2026-10-14T13:58:33Z
Last seen
2026-11-10T04:31:52Z
0%
communicates
TLD
com
HTTP status
204
Content SHA256
212a2d2e355cec068c4c4f041281aa42b663d3defcb647b11974f362712159fc
First seen
2017-12-01T13:12:17Z
Last seen
2026-11-11T17:22:20Z
Analysis details
Severity: highactor:unc5174trojan64bitelfmalwaredebug-checkactorunc5174downloaderapt-relatedloadermirai
Freshness: Fresh · Last seen 1 day ago.
- Detection rate
- 43%
- Threat type
- trojan
- Family
- vshell
- Confidence
- 100%
- detection
- 43 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
bb09227978d30e052bb07eefccde92acf634795beeef114019964917f74ae753- SHA1
3cc10712209022650c1d9d9e5795ae9f97aee824- MD5
3bb122bd4e47e3231fa48a878365f426- Filename
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- File size
- 9848
- TLSH
T186124147A2D1CE7FC8E813384457122472BBD47ADFA29713050C65766E923DC1E6DF8A- SSDEEP
96:GjOTpJ4WHbHf5GlTTej6TNJ9V5Nddfs2oYJYoBSf7meaamBFBp8hBdZvZ4:G6z4WTeTTfTpVhdfs2So8f2Tr8h3- First seen
- 2026-11-09T18:39:39Z
- Last seen
- 2026-11-10T04:31:48Z
- Actor context
- unc5174 · 30%
- 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: 18. 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
18 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 1 day 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
- T1071 — Detected HTTP requests to some non white-listed domainsTactics: TA0011
- T1571 — Detected TCP or UDP traffic on non-standard portsTactics: TA0011
- T1071 · T1095 · T1105 — Downloads files from webservers via HTTPTactics: TA0011
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+
TCP, HTTPports 443, 4444, 80
- 5+ outbound connections observed
- 2 domains, 5+ IPs, 3 URLs
- Common ports: 443, 4444, 80
- Protocols: TCP, HTTP
View details · 5 shown
- Domain
- 103.115.57.95
- URL
- http://103.115.57.95:4444/?a=l64&h=103.115.57.95&t=ws_&p=4444
- Protocol
- HTTP
- Domain
- 103.115.57.95
- URL
- http://103.115.57.95:4444/
- Protocol
- HTTP
- IP
- 185.125.188.61
- Port
- 443
- Protocol
- TCP
- Domain
- connectivity-check.ubuntu.com
- URL
- http://connectivity-check.ubuntu.com/
- Protocol
- HTTP
- IP
- 91.189.91.58
- Port
- 80
- Protocol
- TCP
5 shown
DNS request activity4
A5+ response IPs
- 4 DNS requests observed
- 4 unique queries
- 5+ response IPs
- Query types: A
- Response codes: NOERROR
View details · 4 shown
- Query
- motd.ubuntu.com
- Type
- A
- Answers
- 34.244.58.147, 54.154.251.197, 34.245.102.249, 34.253.181.30, 3.254.173.149
- Response
- NOERROR
- Query
- dashboard.snapcraft.io
- Type
- A
- Answers
- 185.125.188.61, 185.125.188.62
- Response
- NOERROR
- Query
- connectivity-check.ubuntu.com
- Type
- A
- Answers
- 91.189.91.57, 91.189.91.58, 185.125.190.99, 91.189.91.97, 185.125.190.100, 91.189.91.96, 91.189.91.62, 185.125.190.101 …
- Response
- NOERROR
- 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 candidates1
HTTP
- 1 C2 candidate communications
- 1 domains, 0 IPs
- Protocols: HTTP
View details · 1 shown
- Domain
- 103.115.57.95
- Protocol
- HTTP