MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 957d3a55e949e9566bb099021447a919b1990bf1d69b098ffe56651488d6a03c. 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: 957d3a55e949e9566bb099021447a919b1990bf1d69b098ffe56651488d6a03c
SHA3-384 hash: 122b638997c529a00286d5c79a550203a8d8573bc83dd8ab37efcc77b1970b831d6b8760a71a4ddd1b18a3ea989b0fb0
SHA1 hash: 3917ed6bf2cc75131a60a6af324ce3f18773e252
MD5 hash: c3a0a4bff974430736ace1ddd7bb5759
humanhash: neptune-oklahoma-bluebird-bulldog
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-05 09:22:47 UTC
Last seen:2025-06-05 17:01:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T15BB401CE9520D295C4B02D33C57BA2F282AB6D3609596E1CDDD8FF6B2CF67450638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Dropper-AH.24006.24873.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6841633807b5e8c1cfe4de28linux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/684162432d1d8b12425ed408/reports/c9afe8fd-4639-4dc2-afb5-f3468d3c7f1b/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/12142f4c-b54a-4626-8ed9-6385bcbe387a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1707028
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
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: 1707028 Sample: s390x.elf Startdate: 05/06/2025 Architecture: LINUX Score: 60 44 31.200.249.130, 31764, 31794, 36386 NETRACK-ASRU Russian Federation 2->44 46 187.228.73.55, 46077 UninetSAdeCVMX Mexico 2->46 48 101 other IPs or domains 2->48 50 Connects to many ports of the same IP (likely port scanning) 2->50 10 s390x.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash head 2->14         started        16 8 other processes 2->16 signatures3 process4 process5 18 s390x.elf sh 10->18         started        20 configuration 10->20         started        23 s390x.elf sh 10->23         started        signatures6 25 sh crontab 18->25         started        29 sh 18->29         started        54 Opens /sys/class/net/* files useful for querying network interface information 20->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->56 31 configuration 20->31         started        33 sh crontab 23->33         started        process7 file8 42 /var/spool/cron/crontabs/tmp.ipfl2A, ASCII 25->42 dropped 58 Sample tries to persist itself using cron 25->58 60 Executes the "crontab" command typically for achieving persistence 25->60 35 sh crontab 29->35         started        38 configuration 31->38         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 35->52 40 configuration 38->40         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/957d3a55e949e9566bb099021447a919b1990bf1d69b098ffe56651488d6a03c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/957d3a55e949e9566bb099021447a919b1990bf1d69b098ffe56651488d6a03c/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-05 09:23:58 UTC
File Type:
ELF64 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sv6tuvpjjhuvm25qtebbir5jdgyzsc7r22nqtd76kzsrjcgwua6a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250605-lc3v6avthy/
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/771c6c3c-1c67-4606-8cc3-ce665ff2c53d
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/957d3a55e949e9566bb099021447a919b1990bf1d69b098ffe56651488d6a03c

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 957d3a55e949e9566bb099021447a919b1990bf1d69b098ffe56651488d6a03c

(this sample)

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

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