- 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
598ad6ebf2142c83469187a9899d64dd8d8dd5266ec08d5545e27f8ba08060e5- SHA1
3025b2d4885dcc6c99d499544dc5cf6993484124- MD5
dc2abfbb21c1be4633e795c0ba9cd5b5- Filename
- xknj0.exe
- File type
- elf
- MIME
- application/x-elf
- File size
- 10768
- TLSH
T19922EC17F3E5DDFFC8AA577409A713703223C836DB428783680C46547FAB29E6EA5644- SSDEEP
96:B74+elu6BS8TddeqMOotsVVQEnqN42mqMf7q1aiBcNQ2yMBxdxefnbuP:Bso0dxotsVif42QfagQ23jdE
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 38%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Analysis signals
OBSERVEDEngine detections38%
VirusSign confidence100%
Relationship context7 visible
Threat classificationdownloader
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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
0%
8 bytes
contains
Filename
.fini_array
MIME
application/octet-stream
Size
8
SHA1
3632c6844279ca602dc608802a37c6d41a6a89ca
First seen
2025-12-13T02:18:32Z
0%
text
27 bytes
contains
File type
text
MIME
text/plain
Size
27
SHA1
a40612b6b8caf30198cbf8d5a9f7b327632880f2
First seen
2025-09-08T05:26:02Z
0%
32 bytes
contains
Filename
BI-tag
MIME
application/x-msdos-program
Size
32
SHA1
3eb9c4cfd943a3dcd9274903922802c5414d0902
First seen
2025-09-06T09:29:54Z
0%
16 bytes
contains
Filename
.text._ZN4core3ptr26drop_in_place$LT$usize$GT$17h5ac8b853cda59f4dE
MIME
application/octet-stream
Size
16
SHA1
d15aa572ff79997ffcf40b552d1f32699b50b4ad
First seen
2020-08-29T09:12:05Z
0%
16 bytes
contains
Filename
.rodata.scr_dyn_number_coerce_js.hint
MIME
application/octet-stream
Size
16
SHA1
e129f27c5103bc5cc44bcdf0a15e160d445066ff
First seen
2009-02-20T20:34:59Z
Related IPs
Network IPs associated with this indicator.
2shown
24%
high
CN
communicates
CIDR
111.228.0.0/18
Network
111.228.0.0-111.228.255.255
First seen
2026-06-27T19:15:55Z
Last seen
2026-11-08T15:16:15Z
Analysis details
Severity: hightrojanarm64bitelfdebug-check
Freshness: Fresh · Last seen 3 days ago.
- Detection rate
- 38%
- Threat type
- trojan
- Family
- downloader
- Confidence
- 100%
- detection
- 38 · Engine detection rate; color may also reflect VirusSign confidence.
Overview
- SHA256
598ad6ebf2142c83469187a9899d64dd8d8dd5266ec08d5545e27f8ba08060e5- SHA1
3025b2d4885dcc6c99d499544dc5cf6993484124- MD5
dc2abfbb21c1be4633e795c0ba9cd5b5- Filename
- xknj0.exe
- File type
- elf
- MIME
- application/x-elf
- File size
- 10768
- TLSH
T19922EC17F3E5DDFFC8AA577409A713703223C836DB428783680C46547FAB29E6EA5644- SSDEEP
96:B74+elu6BS8TddeqMOotsVVQEnqN42mqMf7q1aiBcNQ2yMBxdxefnbuP:Bso0dxotsVif42QfagQ23jdE- First seen
- 2026-11-07T21:14:19Z
- Last seen
- 2026-11-08T13:19:52Z
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 38%.
Confidence signal
VirusSign reports 100% confidence. Review this alongside engine detections and relationship evidence.
Threat context
Classification includes type trojan and family downloader.
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 2009-02-20 to 2026-11-07. 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 downloader.
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
- xknj0.exe
- File type
- elf
- MIME
- application/x-elf
- Size
- 10768
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
- 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
- T1083 — Sample and/or dropped files contain symbols with file path informationTactics: TA0007
5 shown
Network activity
selected detailsSelected observations and details. Additional structured data are available through API and data access.
Network activity1
TCPports 80
- 1 outbound connections observed
- 0 domains, 1 IPs, 0 URLs
- Common ports: 80
- Protocols: TCP
View details · 1 shown
- IP
- 169.254.169.254
- Port
- 80
- Protocol
- TCP