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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7971d60c68f1c4e2e8b732e0300b0f97081a93e226d32b96c0b822af9d63316. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7971d60c68f1c4e2e8b732e0300b0f97081a93e226d32b96c0b822af9d63316
SHA3-384 hash: eb77c37e61c707a34379ba20f0059c10671db3cb1b03bde02baee2c9a6adc8c2b97593e9f7def2a39230d477972cae12
SHA1 hash: 753ad40a7eded34f54381db6ae029b426eaa8039
MD5 hash: 434400db1099b0f4ab3ae6054467a72f
humanhash: green-potato-ohio-sierra
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-07 02:36:18 UTC
Last seen:2025-06-07 14:16:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T184B401CE9520D295C4B02D33C57BA2F282AB6D3609596E1CDDD8FF6B2CF67450638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Dropper-AH.8837.3292.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6843a6138bd5d68a12e62495linux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/da994051-0d3f-4e0b-8cf7-1931ae9b96c0
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1708675
Signature
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 scans a subnet
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1708675 Sample: s390x.elf Startdate: 07/06/2025 Architecture: LINUX Score: 68 42 62.182.86.86, 6881 YANINA-ASUA Ukraine 2->42 44 103.204.87.251, 18314, 6881 X-PRESS-AS-APX-pressTechnologiesLimitedBD Bangladesh 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 56 Sample scans a subnet 2->56 10 s390x.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 s390x.elf sh 10->16         started        18 configuration 10->18         started        21 s390x.elf sh 10->21         started        signatures6 23 sh crontab 16->23         started        27 sh 16->27         started        50 Opens /sys/class/net/* files useful for querying network interface information 18->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->52 29 configuration 18->29         started        31 sh crontab 21->31         started        process7 file8 40 /var/spool/cron/crontabs/tmp.HN8kWZ, ASCII 23->40 dropped 58 Sample tries to persist itself using cron 23->58 60 Executes the "crontab" command typically for achieving persistence 23->60 33 sh crontab 27->33         started        36 configuration 29->36         started        signatures9 process10 signatures11 48 Executes the "crontab" command typically for achieving persistence 33->48 38 configuration 36->38         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7971d60c68f1c4e2e8b732e0300b0f97081a93e226d32b96c0b822af9d63316
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7971d60c68f1c4e2e8b732e0300b0f97081a93e226d32b96c0b822af9d63316/
Threat name:
Linux.Dropper.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-07 02:37:15 UTC
File Type:
ELF64 Big (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6lr2yggr4oe4lulomxagafq7fyidkj6ejwtfolmbobcv6owgmla._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250607-c39a7aar3w/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb6a2036-e495-4f04-a7a1-a56ec65116fc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a7971d60c68f1c4e2e8b732e0300b0f97081a93e226d32b96c0b822af9d63316

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 a7971d60c68f1c4e2e8b732e0300b0f97081a93e226d32b96c0b822af9d63316

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558219/
  
Delivery method
Distributed via web download

Comments