MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a75187b0ddb735e9e3920150fc7eca5115e1a59000442a366e3b938cd473d0. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments

SHA256 hash: 91a75187b0ddb735e9e3920150fc7eca5115e1a59000442a366e3b938cd473d0
SHA3-384 hash: 1b6a3c7ed861fbd91dc00700c843ae10255ae1d12ca1f34096e2814a19127e67f33cefb7c903c3ccb1b3829e4eb8ef34
SHA1 hash: 436ca04b4d38705d51d7026a0f5258e473109178
MD5 hash: 3db6c99f20b2c49fdc77ba07dd92e3b5
humanhash: avocado-maine-zebra-asparagus
File name:arm6.urbotnetisass
Download: download sample
Signature Mirai
File size:197'000 bytes
First seen:2025-09-10 21:36:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:uOfTcJaKEU/FwM2oKo1rs0c6cAwTgJdiBJtwVAI+Vi4FhE2CmnGLtMRAV:x7Ma/xM2Y1rs0c6TJdi3WArUJ206RAV
TLSH T104142A29FC818E99D6C446BAFB5EC389331317BCD2DEB217D9145B24328B41B0E7B985
telfhash t1a5f02b58890e58aca8d4d04f91fbb362535ce0f6268004b966ee7a5d4132add751112c
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 :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand lolbin packed remote threat
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T15:46:00Z UTC
Last seen:
2025-09-10T15:46:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=56658f7c-1900-0000-f79c-a0cea30b0000 pid=2979 /usr/bin/sudo guuid=15e5737f-1900-0000-f79c-a0cea60b0000 pid=2982 /tmp/sample.bin guuid=56658f7c-1900-0000-f79c-a0cea30b0000 pid=2979->guuid=15e5737f-1900-0000-f79c-a0cea60b0000 pid=2982 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-09-10 21:36:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Author:Elastic Security
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf 91a75187b0ddb735e9e3920150fc7eca5115e1a59000442a366e3b938cd473d0

(this sample)

  
Delivery method
Distributed via web download

Comments