MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c558262df81e8a7d9ecff058a95ce429fefa647c8c02fdbf1130ffd6e032c8b8. 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

SHA256 hash: c558262df81e8a7d9ecff058a95ce429fefa647c8c02fdbf1130ffd6e032c8b8
SHA3-384 hash: 5d11e043ebf319e1f1742898bf2a59fa293910800a0233dcb227b18295cb522db487939e938379cf4d0e224572a79622
SHA1 hash: 5d4449d52ad43040dc03f6f952832ab78aa1143f
MD5 hash: 2fea84289e1b679e3a2d837412432aac
humanhash: may-september-spaghetti-oxygen
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-30 09:11:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T199B401CE9520D295C4B02D33C57BA2F282AB6D3609596E1CDDD8FF6B2CF67450638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Status:
terminated
Behavior Graph:
%3 guuid=c3dbba82-1600-0000-e50b-4989140d0000 pid=3348 /usr/bin/sudo guuid=cea80685-1600-0000-e50b-4989170d0000 pid=3351 /tmp/sample.bin guuid=c3dbba82-1600-0000-e50b-4989140d0000 pid=3348->guuid=cea80685-1600-0000-e50b-4989170d0000 pid=3351 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
56 / 100
Signature
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1725372 Sample: s390x.elf Startdate: 30/06/2025 Architecture: LINUX Score: 56 43 46.25.199.84, 8621 VODAFONE_ESES Spain 2->43 45 93.67.150.81, 6881 VODAFONE-IT-ASNIT Italy 2->45 47 102 other IPs or domains 2->47 9 s390x.elf configuration 2->9         started        11 dash rm 2->11         started        13 dash tr 2->13         started        15 8 other processes 2->15 process3 process4 17 s390x.elf sh 9->17         started        19 configuration 9->19         started        22 s390x.elf sh 9->22         started        signatures5 24 sh crontab 17->24         started        28 sh 17->28         started        51 Opens /sys/class/net/* files useful for querying network interface information 19->51 53 Sample reads /proc/mounts (often used for finding a writable filesystem) 19->53 30 configuration 19->30         started        32 sh crontab 22->32         started        process6 file7 41 /var/spool/cron/crontabs/tmp.LSI9ci, ASCII 24->41 dropped 55 Sample tries to persist itself using cron 24->55 57 Executes the "crontab" command typically for achieving persistence 24->57 34 sh crontab 28->34         started        37 configuration 30->37         started        signatures8 process9 signatures10 49 Executes the "crontab" command typically for achieving persistence 34->49 39 configuration 37->39         started        process11
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-30 11:34:07 UTC
File Type:
ELF64 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
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 c558262df81e8a7d9ecff058a95ce429fefa647c8c02fdbf1130ffd6e032c8b8

(this sample)

  
Delivery method
Distributed via web download

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