MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b7f8a8315eea3ded53bd6a73385c937ef08f8bd33b5620206212f6f76a4934. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b7f8a8315eea3ded53bd6a73385c937ef08f8bd33b5620206212f6f76a4934
SHA3-384 hash: fae1dc0281cfe31a2f0098e6b0674033480dd9210e8f25872cd14f4b2a2d248fc010af4467eabe69ff8ff04aa46acd78
SHA1 hash: 1d94203f9b98f7e160100574b7ea6f43dd988304
MD5 hash: 5a5e18949ff4af683e98cecdb769cf8d
humanhash: solar-victor-berlin-fish
File name:aarch64
Download: download sample
File size:509'896 bytes
First seen:2025-06-09 21:02:34 UTC
Last seen:2025-06-09 21:12:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:O/izeB+/ow3gK2lc5bvyI0vOHD6BZkDgn358cIF3RI5HkdY1FP98/8ecjfP:3BohHKTyfvOHD6ByD4WcIMkuDmEesP
TLSH T152B41228EE4E38C1F3D1E378DA0A4BB1B05B79D0D166C1B2BA41E25D95EDEDEC5D0212
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32057.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68474c118bd5d68a12e72778linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/68474c13fd02ed5e05a04d88/reports/93474a81-bc1c-4ca6-83ed-9b131b17cb4e/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/538ea657-37cb-4c7b-8444-4bc7397267e9
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1710285
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1710285 Sample: aarch64.elf Startdate: 09/06/2025 Architecture: LINUX Score: 68 38 88.97.225.116, 49966 ZEN-ASZenInternet-UKGB United Kingdom 2->38 40 196.158.196.168, 45428 Vodafone-EG Egypt 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 aarch64.elf 2->10         started        signatures3 process4 process5 12 aarch64.elf sh 10->12         started        14 aarch64.elf 10->14         started        17 aarch64.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 aarch64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.CepLkQ, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 aarch64.elf 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 aarch64.elf 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91b7f8a8315eea3ded53bd6a73385c937ef08f8bd33b5620206212f6f76a4934
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b7f8a8315eea3ded53bd6a73385c937ef08f8bd33b5620206212f6f76a4934/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-09 21:03:12 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg37rkbrl3vd33ktxvvhgoc4sn7pbd4l2m5vmibamijpn53kje2a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250609-zv36jat1dv/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/42c15c4f-5010-4cc3-a606-75019e42d68e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91b7f8a8315eea3ded53bd6a73385c937ef08f8bd33b5620206212f6f76a4934

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf 91b7f8a8315eea3ded53bd6a73385c937ef08f8bd33b5620206212f6f76a4934

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558161/
  
Delivery method
Distributed via web download

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