MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4bf2d5a705b05f26175f101bfcbf14f935fbe022791767af873cc9932fc6d4f. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4bf2d5a705b05f26175f101bfcbf14f935fbe022791767af873cc9932fc6d4f
SHA3-384 hash: 48e785c58085826c85bd5dc87bc2ffeb37ff4d0bfaaa646a79da41fdbc3e986ea0b48ea76434e8f0d84ddc47583aa069
SHA1 hash: 058a87080d0178adbe3610f21d95ec26740a91d7
MD5 hash: 6f6ce81d291b9d0d4570336adbce678e
humanhash: spaghetti-cup-skylark-delta
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-22 23:41:17 UTC
Last seen:2025-06-23 03:53:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T19DB401CE9520D295C4B02D33C57BA2F282AB6D3609596E1CDDD8FF6B2CF67450638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32056.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=685894a3b06783b9ebd6a67clinux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/685894aa3faf8fcd7d3b2675/reports/fa902b02-8e79-4113-9b21-94051f8ac6e7/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/30565a8a-6673-4069-a3e3-42810d21d2ae
Behavior Graph:
Download SVG
%3 guuid=e7c3d8ae-1800-0000-3e28-9439200c0000 pid=3104 /usr/bin/sudo guuid=ced73cb1-1800-0000-3e28-9439290c0000 pid=3113 /tmp/sample.bin guuid=e7c3d8ae-1800-0000-3e28-9439200c0000 pid=3104->guuid=ced73cb1-1800-0000-3e28-9439290c0000 pid=3113 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/eae1f2c7-6493-4814-b28b-11658fc044f9
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1720535
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: 1720535 Sample: s390x.elf Startdate: 23/06/2025 Architecture: LINUX Score: 60 38 117.154.97.97, 56310 CMNET-GDGuangdongMobileCommunicationCoLtdCN China 2->38 40 112.82.128.89, 56310 CHINA169-BACKBONECHINAUNICOMChina169BackboneCN China 2->40 42 101 other IPs or domains 2->42 44 Connects to many ports of the same IP (likely port scanning) 2->44 10 s390x.elf configuration 2->10         started        signatures3 process4 process5 12 s390x.elf sh 10->12         started        14 configuration 10->14         started        17 s390x.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        52 Opens /sys/class/net/* files useful for querying network interface information 14->52 54 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->54 25 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.UxpA01, ASCII 19->36 dropped 46 Sample tries to persist itself using cron 19->46 48 Executes the "crontab" command typically for achieving persistence 19->48 29 sh crontab 23->29         started        32 configuration 25->32         started        signatures9 process10 signatures11 50 Executes the "crontab" command typically for achieving persistence 29->50 34 configuration 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c4bf2d5a705b05f26175f101bfcbf14f935fbe022791767af873cc9932fc6d4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4bf2d5a705b05f26175f101bfcbf14f935fbe022791767af873cc9932fc6d4f/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-23 00:28:22 UTC
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ys7s2wtqlmc7eylv6ea37s7rj6jv7pqce6ixm6xyopgjsmx4nvhq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250622-3plk3sxvbx/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5d7ac4f8-5766-48f3-b4d0-b05194b54a06
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/c4bf2d5a705b05f26175f101bfcbf14f935fbe022791767af873cc9932fc6d4f

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 c4bf2d5a705b05f26175f101bfcbf14f935fbe022791767af873cc9932fc6d4f

(this sample)

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

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