MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702
SHA3-384 hash: 857695b522a13074008ee333a684835c51e419643f78c0af8f21422b18105451994acf41a48c8f00e4333b796deaf554
SHA1 hash: 6ec005d5f70b3a6b339bfdb9f847e9624e14650f
MD5 hash: 06a2a6b3c00c0b4574b894860a5f5c71
humanhash: hamper-georgia-bluebird-asparagus
File name:s390x
Download: download sample
File size:502'120 bytes
First seen:2025-06-30 16:53:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:NbX5mTA3bZNKiG01B7crv+SF7GW5a65jx:tX5m83bZNKi3B7AZXa
TLSH T1FBB401CE9520D295C4B02D33C57BA2F282AB6D3609596E1CDDD8FF6B2CF67450638B12
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
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

SecuriteInfo.com.Linux.DownLoader.2374.4813.30711.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6862c1390fceda814b475b6clinux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc
Link:
https://www.filescan.io/uploads/6862c147714e106cecb7f42c/reports/e15d9820-346b-4a59-887b-b8a599d7613b/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2e057bfd-09b8-4724-910b-63c1e80eca80
Behavior Graph:
Download SVG
%3 guuid=ded58d94-1900-0000-4963-8532220a0000 pid=2594 /usr/bin/sudo guuid=c1e4f596-1900-0000-4963-85322a0a0000 pid=2602 /tmp/sample.bin guuid=ded58d94-1900-0000-4963-8532220a0000 pid=2594->guuid=c1e4f596-1900-0000-4963-85322a0a0000 pid=2602 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c266412b-deb6-42ac-bdfb-edea1900b443
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1725772
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1725772 Sample: s390x.elf Startdate: 30/06/2025 Architecture: LINUX Score: 68 44 31.200.249.162, 31940, 50654 NETRACK-ASRU Russian Federation 2->44 46 118.36.85.97, 12469 KIXS-AS-KRKoreaTelecomKR Korea Republic of 2->46 48 101 other IPs or domains 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 10 dash rm s390x.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash head 2->14         started        16 7 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        56 Opens /sys/class/net/* files useful for querying network interface information 20->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->58 31 configuration 20->31         started        33 sh crontab 23->33         started        process7 file8 42 /var/spool/cron/crontabs/tmp.jejgTg, ASCII 25->42 dropped 60 Sample tries to persist itself using cron 25->60 62 Executes the "crontab" command typically for achieving persistence 25->62 35 sh crontab 29->35         started        38 configuration 31->38         started        signatures9 process10 signatures11 54 Executes the "crontab" command typically for achieving persistence 35->54 40 configuration 38->40         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-30 16:54:19 UTC
File Type:
ELF64 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtjmmm6uew7ylrgichpyc3gyuqlglpqr2yhztblmg5hsxh2o44ba._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250630-vencxs1vdx/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/098be9dc-b2fd-4c13-a9d0-a7c29d8cf29b
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/b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702

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 b4d2c633d425bf85c4c811df816cd8a41665be11d60f99856c374f2b9f4ee702

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558160/
  
Delivery method
Distributed via web download

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