MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b157ae57ad261da91a1a1914c9b8af09ac8a9e82e81a6038110bbd9265fa3e. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1b157ae57ad261da91a1a1914c9b8af09ac8a9e82e81a6038110bbd9265fa3e
SHA3-384 hash: e439e6d9ebdc11f4b28531857ba5dd1888f7aaf75871ee77813108f2eeeba2a7d09ee1761d585f074e46ffef50ad4d09
SHA1 hash: 36de20132db20057361a749d5f3e795807f7609c
MD5 hash: ced15dc03dcf254b728386d016b57245
humanhash: east-lion-october-paris
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-24 16:16:59 UTC
Last seen:2025-06-25 07:43:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T195C42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31951.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.ELF.Dropper-AH.31256.13773.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685ad09f32ed47a3a8d6c1e8
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a file in the %temp% directory
Creates directories
Sends data to a server
Creating a process from a recently created file
Changes the time when the file was created, accessed, or modified
Locks files
Collects information on the CPU
Connection attempt
Changes access rights for a written file
Launching a process
Opens a port
Runs as daemon
Receives data from a server
DNS request
Creates or modifies files in /cron to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/685acfa466c4b5c0b99da633/reports/02d2b8b4-7aed-4d8b-861d-efe344a8bac0/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dc577857-f763-464f-bb5e-5a81b8e41b71
Behavior Graph:
Download SVG
%3 guuid=448d2e53-1900-0000-421b-6f69ba090000 pid=2490 /usr/bin/sudo guuid=9b4c6e55-1900-0000-421b-6f69c1090000 pid=2497 /root/.sys/configuration guuid=448d2e53-1900-0000-421b-6f69ba090000 pid=2490->guuid=9b4c6e55-1900-0000-421b-6f69c1090000 pid=2497 execve guuid=eabe9a55-1900-0000-421b-6f69c2090000 pid=2498 /usr/bin/dash guuid=9b4c6e55-1900-0000-421b-6f69c1090000 pid=2497->guuid=eabe9a55-1900-0000-421b-6f69c2090000 pid=2498 execve guuid=634ade55-1900-0000-421b-6f69c4090000 pid=2500 /usr/bin/dash guuid=9b4c6e55-1900-0000-421b-6f69c1090000 pid=2497->guuid=634ade55-1900-0000-421b-6f69c4090000 pid=2500 execve guuid=9f566f56-1900-0000-421b-6f69c9090000 pid=2505 /root/.sys/configuration zombie guuid=9b4c6e55-1900-0000-421b-6f69c1090000 pid=2497->guuid=9f566f56-1900-0000-421b-6f69c9090000 pid=2505 clone guuid=cc011556-1900-0000-421b-6f69c5090000 pid=2501 /usr/bin/dash guuid=634ade55-1900-0000-421b-6f69c4090000 pid=2500->guuid=cc011556-1900-0000-421b-6f69c5090000 pid=2501 clone guuid=69f62056-1900-0000-421b-6f69c7090000 pid=2503 /usr/bin/dash guuid=634ade55-1900-0000-421b-6f69c4090000 pid=2500->guuid=69f62056-1900-0000-421b-6f69c7090000 pid=2503 clone guuid=9bf9ae5d-1900-0000-421b-6f69db090000 pid=2523 /root/.sys/configuration guuid=9f566f56-1900-0000-421b-6f69c9090000 pid=2505->guuid=9bf9ae5d-1900-0000-421b-6f69db090000 pid=2523 clone guuid=4c31bd5d-1900-0000-421b-6f69dc090000 pid=2524 /root/.sys/configuration guuid=9bf9ae5d-1900-0000-421b-6f69db090000 pid=2523->guuid=4c31bd5d-1900-0000-421b-6f69dc090000 pid=2524 clone guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525 /root/.sys/configuration dns net net-scan send-data guuid=4c31bd5d-1900-0000-421b-6f69dc090000 pid=2524->guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525 clone d316b2ae-0a7e-5b43-8de6-745900c90c54 127.0.0.1:65535 guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525->d316b2ae-0a7e-5b43-8de6-745900c90c54 con 38a4910e-6f05-5afe-a8e3-398c2eb18329 time.cloudflare.com:123 guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525->38a4910e-6f05-5afe-a8e3-398c2eb18329 send: 48B 5ef3bd2c-8400-568d-bbba-1419bb917b7f 31.200.249.233:31909 guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525->5ef3bd2c-8400-568d-bbba-1419bb917b7f send: 68B 2f986820-c270-52f7-ac4a-322a8c5fc36d 212.102.35.132:65143 guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525->2f986820-c270-52f7-ac4a-322a8c5fc36d send: 68B guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525|send-data send-data to 276 IP addresses review logs to see them all guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525->guuid=097dc95d-1900-0000-421b-6f69dd090000 pid=2525|send-data send
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8ab58ee1-2496-4590-a05f-6cdf5bdb82c9
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1722061
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1722061 Sample: i686.elf Startdate: 24/06/2025 Architecture: LINUX Score: 64 38 204.12.208.37, 6881 WIIUS United States 2->38 40 185.124.177.157, 4355, 6881 VOL-ASRU Russian Federation 2->40 42 101 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 10 i686.elf configuration 2->10         started        signatures3 process4 process5 12 i686.elf sh 10->12         started        14 configuration 10->14         started        17 i686.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.lBkDQu, 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/b1b157ae57ad261da91a1a1914c9b8af09ac8a9e82e81a6038110bbd9265fa3e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1b157ae57ad261da91a1a1914c9b8af09ac8a9e82e81a6038110bbd9265fa3e/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-06-24 16:17:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgyvplsxvutb3ki2dimrjsnyv4e2zcu6qlubuybycef33etf7i7a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250624-trkxwscp3v/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Renames itself
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/df948e5f-274f-4a25-b20f-032de5e946b9
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/b1b157ae57ad261da91a1a1914c9b8af09ac8a9e82e81a6038110bbd9265fa3e

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 b1b157ae57ad261da91a1a1914c9b8af09ac8a9e82e81a6038110bbd9265fa3e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558166/
  
Delivery method
Distributed via web download

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