MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31e8c30d6eda4539c4f4585c671ce6cb43763b5267604ce26c64f7263f8b3cfc. 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: 31e8c30d6eda4539c4f4585c671ce6cb43763b5267604ce26c64f7263f8b3cfc
SHA3-384 hash: 516fdee223965b082f6b5af57b10c9fa584d597f7301b1aa3daa5a270598fe3a4c1325d353c4cac2a2b08e6bb3fa13bf
SHA1 hash: 1f95708b21d867a2fe099f1a84968706e68e67c2
MD5 hash: 0ba748d93760bc5507de2a39be045ec6
humanhash: three-illinois-william-pasta
File name:arm.urbotnetisass
Download: download sample
Signature Mirai
File size:270'864 bytes
First seen:2025-09-24 22:14:14 UTC
Last seen:2025-09-24 22:57:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:EBOHOIFtGzblqYU5islcVgHVKhGq8G8c+MgQpxlURA:EB0OIFtey5islgc0whMtpxlURA
TLSH T1DA442956FD91CA56CAC566B7BB6E838C371F13B8C3EE31038E145F64628B41A0E7B641
telfhash t1dee0ec21999709d465c4040d20c9b22ce11d6c932765599552ed1e5dcd7bd8660f0f2f
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 :
2
# of downloads :
56
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
92
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-24T20:32:00Z UTC
Last seen:
2025-09-24T20:32:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=27b15e65-1700-0000-505f-4c21800c0000 pid=3200 /usr/bin/sudo guuid=e6a47f67-1700-0000-505f-4c21810c0000 pid=3201 /tmp/sample.bin guuid=27b15e65-1700-0000-505f-4c21800c0000 pid=3200->guuid=e6a47f67-1700-0000-505f-4c21810c0000 pid=3201 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-24 22:14:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
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_Threat_d94e1020
Author:Elastic Security
Rule name:RANSOMWARE
Author:ToroGuitar
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 31e8c30d6eda4539c4f4585c671ce6cb43763b5267604ce26c64f7263f8b3cfc

(this sample)

  
Delivery method
Distributed via web download

Comments