MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4. 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


Mirai


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4
SHA3-384 hash: ce84ba0c6105b13508c4894f3e56d161d220d5e8ee95f2df936d674d1602cb36a64d83163e3e1a32cd6c504bb8880988
SHA1 hash: 4203025b127c088c3014c037a78cefdaf189b8ca
MD5 hash: a3e50a82b7a9a85ab5812a77fb68ea04
humanhash: oscar-apart-foxtrot-lemon
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:65'956 bytes
First seen:2026-01-01 18:26:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:B//wqhbvHwMV2ncPwLcp+px4JTtXyHlrG076yMea+Zrnouy8HyMU:pI+bvHwMV2ncycp+YxtXyH1G07NBzouq
TLSH T19C53020256B6C6D0C8ABC1FC44EE394611EEB31BE1C49FA21DCA1E9A9531F3E161F6D1
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 mirai UPX
File size (compressed) :65'956 bytes
File size (de-compressed) :166'596 bytes
Format:linux/i386
Unpacked file: 01e6c001067d98ca0b6e95e912541e985fa00ad5b994dbbaccdb760994fe44b4

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7d9d185b-13f8-402d-b489-b88b7a079dae/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-01T15:34:00Z UTC
Last seen:
2026-01-03T09:13:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f09a552e-d779-4a45-8dea-a4c6350a8cf9
Behavior Graph:
Download SVG
%3 guuid=03375506-1900-0000-5a7e-4a7436080000 pid=2102 /usr/bin/sudo guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107 /tmp/sample.bin net write-config write-file guuid=03375506-1900-0000-5a7e-4a7436080000 pid=2102->guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3186a909-1900-0000-5a7e-4a743d080000 pid=2109 /usr/bin/dash guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107->guuid=3186a909-1900-0000-5a7e-4a743d080000 pid=2109 execve guuid=8ab9300d-1900-0000-5a7e-4a7446080000 pid=2118 /usr/bin/dash guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107->guuid=8ab9300d-1900-0000-5a7e-4a7446080000 pid=2118 execve guuid=88ef4e11-1900-0000-5a7e-4a7455080000 pid=2133 /tmp/sample.bin guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107->guuid=88ef4e11-1900-0000-5a7e-4a7455080000 pid=2133 clone guuid=d4564a3d-1a00-0000-5a7e-4a74070b0000 pid=2823 /tmp/sample.bin guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107->guuid=d4564a3d-1a00-0000-5a7e-4a74070b0000 pid=2823 clone guuid=1c844f3d-1a00-0000-5a7e-4a74080b0000 pid=2824 /tmp/sample.bin dns net send-data zombie guuid=ab7fff07-1900-0000-5a7e-4a743b080000 pid=2107->guuid=1c844f3d-1a00-0000-5a7e-4a74080b0000 pid=2824 clone guuid=cb44fb09-1900-0000-5a7e-4a743e080000 pid=2110 /usr/bin/systemctl guuid=3186a909-1900-0000-5a7e-4a743d080000 pid=2109->guuid=cb44fb09-1900-0000-5a7e-4a743e080000 pid=2110 execve guuid=9f65790d-1900-0000-5a7e-4a7448080000 pid=2120 /usr/bin/systemctl guuid=8ab9300d-1900-0000-5a7e-4a7446080000 pid=2118->guuid=9f65790d-1900-0000-5a7e-4a7448080000 pid=2120 execve guuid=859f8484-1900-0000-5a7e-4a7459090000 pid=2393 /tmp/sample.bin guuid=88ef4e11-1900-0000-5a7e-4a7455080000 pid=2133->guuid=859f8484-1900-0000-5a7e-4a7459090000 pid=2393 clone guuid=9d6f8b84-1900-0000-5a7e-4a745a090000 pid=2394 /tmp/sample.bin guuid=88ef4e11-1900-0000-5a7e-4a7455080000 pid=2133->guuid=9d6f8b84-1900-0000-5a7e-4a745a090000 pid=2394 clone guuid=1c844f3d-1a00-0000-5a7e-4a74080b0000 pid=2824->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=1c844f3d-1a00-0000-5a7e-4a74080b0000 pid=2824->54d92a3b-1447-55af-b534-047898c60c8d send: 36B 55e75a70-5f0f-5401-b0ef-995451b8fb69 teamc2.duckdns.org:12121 guuid=1c844f3d-1a00-0000-5a7e-4a74080b0000 pid=2824->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 10B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d41bd46b-8735-4034-b980-ea4e384d9301
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1843219
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843219 Sample: x86.elf Startdate: 01/01/2026 Architecture: LINUX Score: 68 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 teamc2.duckdns.org 151.242.30.13, 12121, 42442 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 daisy.ubuntu.com 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Gafgyt 2->41 43 Sample is packed with UPX 2->43 8 x86.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 x86.elf sh 8->13         started        15 x86.elf sh 8->15         started        17 x86.elf 8->17         started        19 2 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started        25 x86.elf 17->25         started        27 x86.elf 17->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-01 18:27:17 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=wi3porbg3rtqexeexc2fpkhdz3kvpvxp525y4ltjk6dykas52dca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260101-w31htscx5f/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bf26c5f5-4f35-45a9-bcb6-3873f6babee1
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/b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b236f74426dc67025c84b8b457a8e3ced557d6efeebb8e2e69578785025dd0c4

(this sample)

Mirai

elf 01e6c001067d98ca0b6e95e912541e985fa00ad5b994dbbaccdb760994fe44b4

  
URLhaus
https://urlhaus.abuse.ch/url/3722813/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 01e6c001067d98ca0b6e95e912541e985fa00ad5b994dbbaccdb760994fe44b4
  
Dropping
MD5 912c3c36a3ce4296a28b1bf0097cfffe
  
URLhaus
https://urlhaus.abuse.ch/url/3719326/

Comments