MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ef25c7b930fe3325fa083bb9138a5cbd339e67e95ee94f553f4e39edd596fc. 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

SHA256 hash: 55ef25c7b930fe3325fa083bb9138a5cbd339e67e95ee94f553f4e39edd596fc
SHA3-384 hash: f422c2370bb859a439ce8a8664f053e55d0b8615b710c267e6f1512e5eb29609a023e24b52eb448b7887e0963aeb5e40
SHA1 hash: 6a6ce610cf9b02f1b5ad7e4d2a477b577879cdd9
MD5 hash: dc8c98a60248c83dc2ccfedcc30b6740
humanhash: burger-mockingbird-iowa-freddie
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-09 09:50:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T16DB401CE9520D295C4B02D33C57BA2F682AB6D3609596E1CDDD8FF6B2CF67050638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1710145 Sample: s390x.elf Startdate: 09/06/2025 Architecture: LINUX Score: 68 38 211.194.234.246, 40827, 6881 YJNET-AS-KRYeungNamCollegeofScienceTechnologyKR Korea Republic of 2->38 40 64.233.209.254, 6881 WOW-INTERNETUS United States 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 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        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 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.GMeWjU, 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 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-09 09:51:48 UTC
File Type:
ELF64 Big (Exe)
AV detection:
12 of 24 (50.00%)
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 55ef25c7b930fe3325fa083bb9138a5cbd339e67e95ee94f553f4e39edd596fc

(this sample)

  
Delivery method
Distributed via web download

Comments