MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19d8d2bb8160cba3d5841c618f29ba74c8edc6819f69e019f092fc45b2546eb. 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: b19d8d2bb8160cba3d5841c618f29ba74c8edc6819f69e019f092fc45b2546eb
SHA3-384 hash: 46173e34ec079d36e6aa94344d771b353a77fa027a988ad9248772fe60fa811b9d4d5434847ce912c595206aed98dfcb
SHA1 hash: 9ed57f175c54a71d9eb1b7f217bd827389b3fa04
MD5 hash: a74ef19ddd0387cc25ad942875447384
humanhash: montana-don-apart-pennsylvania
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-12 10:06:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T15EB401CE9520D295C4B02D33C57BA2F282AB6D3609596E1CDDD8FF6B2CF67450638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
64 / 100
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 tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1713141 Sample: s390x.elf Startdate: 12/06/2025 Architecture: LINUX Score: 64 42 41.13.12.13, 45200 VODACOM-ZA South Africa 2->42 44 202.83.101.133, 51413, 6881 VIEWQWEST-SG-APViewqwestPteLtdSG Singapore 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 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.mv78Ee, ASCII 23->40 dropped 56 Sample tries to persist itself using cron 23->56 58 Executes the "crontab" command typically for achieving persistence 23->58 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
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-12 10:06:28 UTC
File Type:
ELF64 Big (Exe)
AV detection:
14 of 38 (36.84%)
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 b19d8d2bb8160cba3d5841c618f29ba74c8edc6819f69e019f092fc45b2546eb

(this sample)

  
Delivery method
Distributed via web download

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