🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31a3db2172cb92e04f0b5a124f66dedf414f7be61e843e5e7026844d7d33aa3a. 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: 31a3db2172cb92e04f0b5a124f66dedf414f7be61e843e5e7026844d7d33aa3a
SHA3-384 hash: c3e3015e1f4e374bdc938fdd1495dde2d56a19a2ed4d34a819b9923dd9c6c698af576b50f9c32fb322b751d033c9115f
SHA1 hash: ee36575290fb498501cd44c5b6f2efa250ba09d1
MD5 hash: d612adf4795ecc60dab58a1336e776a5
humanhash: oklahoma-ceiling-jersey-failed
File name:wj0s.arm64
Download: download sample
Signature Mirai
File size:178'000 bytes
First seen:2026-09-07 06:37:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:+t/5saoj4yZq9sbopC0W0rJD2mvpNgkX0I/hsgKhRU78Y8t:esz4M6tWMJD24XDpsgKc
TLSH T127046CACE50EAD41DEC6E2BDDE451F63703738A08361C0F7290152BDE5DFAD9C49A922
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 dedfdbd4ae2ea34dd9528c3ebb5f2780c9512da0da619cfd9cdddfc0e411998c
File size (compressed) :79'872 bytes
File size (de-compressed) :178'000 bytes
Format:linux/arm64
Packed file: dedfdbd4ae2ea34dd9528c3ebb5f2780c9512da0da619cfd9cdddfc0e411998c

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Creating a file
Substitutes an application name
Writes files to system directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
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.64.le
First seen:
2026-09-07T04:48:00Z UTC
Last seen:
2026-09-07T05:05:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3b1d9af9-3100-0000-90aa-cbfb3e030000 pid=830 /usr/bin/sudo guuid=a42980fd-3100-0000-90aa-cbfb3f030000 pid=831 /tmp/sample.bin guuid=3b1d9af9-3100-0000-90aa-cbfb3e030000 pid=830->guuid=a42980fd-3100-0000-90aa-cbfb3f030000 pid=831 execve
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-09-07 06:38:22 UTC
File Type:
ELF64 Little (SO)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:telebot_framework
Author:vietdx.mb
Rule name:test_rule_vldslv
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:virustotal
Author:Tracel

File information


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

Web download

Mirai

elf 31a3db2172cb92e04f0b5a124f66dedf414f7be61e843e5e7026844d7d33aa3a

(this sample)

  
Delivery method
Distributed via web download

Comments