MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a61bd124a9326a536056f65f7512fda68c3b183ebc72371fdc51abc72f2a31. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: 38a61bd124a9326a536056f65f7512fda68c3b183ebc72371fdc51abc72f2a31
SHA3-384 hash: dd95b7b1ec462f90e0000bdb80934c44ee5881585f08203e17626b3efc532c54b7ad3b1c6d4f9ed52838526f4980ef4b
SHA1 hash: bda163bb4c13171011ab996ac2e5454b65d58f87
MD5 hash: ce41c38b92ab2f00cf7cbe6397580bb7
humanhash: maine-green-solar-skylark
File name:mao.arm7
Download: download sample
Signature Mirai
File size:144'892 bytes
First seen:2026-02-03 12:04:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:KSV/3YrGDPUWFmupkcHSCeYn5egAXwFHKoU8M/9ImIj:7ZYraUWokkcHSC7QgJ9Ko3M/9Ims
TLSH T118E33A42EA418E03C4D51779BBAF42893322E755E3DB73069D14BFB03F86A9E0E67506
telfhash t125212371132546295e61cd9889ed63b6162887172389ff33df3184ec20090ddf63ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=df3767bf-1900-0000-1e7b-0d2d540c0000 pid=3156 /usr/bin/sudo guuid=546e33c1-1900-0000-1e7b-0d2d580c0000 pid=3160 /tmp/sample.bin guuid=df3767bf-1900-0000-1e7b-0d2d540c0000 pid=3156->guuid=546e33c1-1900-0000-1e7b-0d2d580c0000 pid=3160 execve
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-03 12:08:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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: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 38a61bd124a9326a536056f65f7512fda68c3b183ebc72371fdc51abc72f2a31

(this sample)

  
Delivery method
Distributed via web download

Comments