- First seen
- Last seen
THREAT SIGNALMedium-high
Read alongside the verdict
Indicator overview
INDICATOR PROFILEEngine detections are elevated in this report. Review the reported confidence, classification and relationships alongside them.
- SHA256
1663d98c259001f1b03f82d0c5bee7cfd3c7623ccb83759c994f9ab845939665- SHA1
5619b1c26a23919a2ea1e698ece953455da2fa95- MD5
6e30ce3e09f20e3a60c8aabb2a0fdc1c- Filename
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- File size
- 9800
- TLSH
T163123047A2D0CE3FC8D953384467122472B794BEDF629713064915B63F427E81E6EB8B- SSDEEP
96:GqTVJWWGXzS61H5ML09V1J9G8Ymw+hrsrwegVekrf7mxaamBFBp8sBRnsH5vZAC:GqnWWHuZMWT1YmphrsnurfjTr8sbnsl
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 36%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections36%
VirusSign confidence100%
Relationship context7 visible
Threat classificationvshell
Expand a connection to run an additional public query. This page allows up to 3 expansions; each counts toward your query limit.
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
33%
high
elf
7864320 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%
emf
464 bytes
contains
Filename
.dynamic
File type
emf
MIME
application/octet-stream
Size
464
SHA1
f16f567b948ea6e58c17ec3194b5d06ed897670c
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
Related IPs
Network IPs associated with this indicator.
2shown
20%
high
SC
communicates
CIDR
156.238.232.0/21
First seen
2025-05-26T16:31:45Z
Last seen
2026-11-08T23:15:51Z
Analysis details
Severity: highdownloaderelf64bitdebug-check
Freshness: Aging · Last seen 132 days ago.
- Detection rate
- 36%
- Threat type
- downloader
- Family
- vshell
- Confidence
- 100%
- detection
- 36 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
1663d98c259001f1b03f82d0c5bee7cfd3c7623ccb83759c994f9ab845939665- SHA1
5619b1c26a23919a2ea1e698ece953455da2fa95- MD5
6e30ce3e09f20e3a60c8aabb2a0fdc1c- Filename
- linux_amd64
- File type
- elf
- MIME
- application/x-elf
- File size
- 9800
- TLSH
T163123047A2D0CE3FC8D953384467122472B794BEDF629713064915B63F427E81E6EB8B- SSDEEP
96:GqTVJWWGXzS61H5ML09V1J9G8Ymw+hrsrwegVekrf7mxaamBFBp8sBRnsH5vZAC:GqnWWHuZMWT1YmphrsnurfjTr8sbnsl- First seen
- 2025-12-08T07:07:26Z
- Last seen
- 2026-07-02T17:56:39Z
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 36%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type downloader and family vshell.
Relationship context
7 related indicators are shown across 2 relationship group(s). Additional relationship intelligence is available through API and data access.
Observation timeline
8 timestamped observations are arranged from 2015-01-25 to 2026-04-28. 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 downloader, family vshell.
Last seen 132 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
- 9800
Observed behavior
selected detailsSelected behavioral observations and reported framework mappings.
View details · 5 shown
- 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
- Drops files onto disk
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
- T1064 — Executes commands using a shell command-line interpreterTactics: TA0002 · TA0005
- T1543.002 — Executes the "systemctl" command used for controlling the systemd system and service managerTactics: TA0003 · TA0004
- T1071 · T1573 — Uses HTTPSTactics: TA0011
5 shown
View MBC details · 5 shown
- CommunicationObjectives: OC0006
- E1027.m02 — Encoding-Standard AlgorithmObjectives: OB0002 · OB0006
- C0002 — HTTP CommunicationObjectives: OC0006
- C0005.001 — InternetConnectObjectives: OC0006
- B0030.002 · C0001.006 — Receive DataObjectives: OB0004 · OC0006
5 shown
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity2
TCPports 443, 80
- 2 outbound connections observed
- 0 domains, 2 IPs, 0 URLs
- Common ports: 443, 80
- Protocols: TCP
View details · 2 shown
- IP
- 156.238.237.103
- Port
- 443
- Protocol
- TCP
- IP
- 169.254.169.254
- Port
- 80
- Protocol
- TCP
C2 candidates1
TCPports 443
- 1 C2 candidate communications
- 0 domains, 1 IPs
- Common ports: 443
- Protocols: TCP
View details · 1 shown
- IP
- 156.238.237.103
- Port
- 443
- Protocol
- TCP