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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b91e22f1d974979a35e3943dd0f82d99a8047fcd68bd53407326da533a476a4e. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments

SHA256 hash: b91e22f1d974979a35e3943dd0f82d99a8047fcd68bd53407326da533a476a4e
SHA3-384 hash: e14264257502a897929281c76a9bcbe5eab76af4a211fd59061f4eec347acdcf6a1fdcc937ddd14f290288b86332342d
SHA1 hash: 20e306af62183f874ac2e5e6877bf75a1c67cea6
MD5 hash: 49ccee056f9d551f6f15825ea0411742
humanhash: steak-twenty-table-maryland
File name:i586
Download: download sample
Signature Mirai
File size:60'164 bytes
First seen:2026-11-13 07:14:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:35sm4CvAAuxEDscH5qEflglYXv96WuZB4YnWsBWy:Jsm4CvAAuxEYW5qEflglYfuP/LB
TLSH T160435BD1B693EAF5DC0621341467F3B7A631F83A3159E647C3EC6933E842650988B29E
telfhash t104210afa0efe18f8b7c48500c65aefe30a79c13f7550779103a1a9442793e52a135c3a
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=4513e0e8-1b00-0000-8b7e-81eb850a0000 pid=2693 /usr/bin/sudo guuid=eba04cee-1b00-0000-8b7e-81eb8b0a0000 pid=2699 /tmp/sample.bin delete-file net guuid=4513e0e8-1b00-0000-8b7e-81eb850a0000 pid=2693->guuid=eba04cee-1b00-0000-8b7e-81eb8b0a0000 pid=2699 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=eba04cee-1b00-0000-8b7e-81eb8b0a0000 pid=2699->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7a0ad4ee-1b00-0000-8b7e-81eb8d0a0000 pid=2701 /tmp/sample.bin net send-data zombie guuid=eba04cee-1b00-0000-8b7e-81eb8b0a0000 pid=2699->guuid=7a0ad4ee-1b00-0000-8b7e-81eb8d0a0000 pid=2701 clone 210adcd8-b1e0-5b20-a2ae-32b99cc87bc0 195.178.110.204:8888 guuid=7a0ad4ee-1b00-0000-8b7e-81eb8d0a0000 pid=2701->210adcd8-b1e0-5b20-a2ae-32b99cc87bc0 send: 397B
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_122ff2e6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa48b592
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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

Mirai

elf b91e22f1d974979a35e3943dd0f82d99a8047fcd68bd53407326da533a476a4e

(this sample)

  
Delivery method
Distributed via web download

Comments