MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f
SHA3-384 hash: 3ca128da1c62be214e04a365097b0bb363cf12b8328b9f909627e8eee39fc4338afe1e9ffc2dc26bea05b16f281a54ce
SHA1 hash: a322e0769c12d803720a09461349ec5173267b8d
MD5 hash: 5f5d53d2d4523009867c4eb36b08a068
humanhash: cup-carbon-louisiana-muppet
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:182'580 bytes
First seen:2025-12-28 01:10:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:aN3ftbnQobUQxsh2eao541JffaOpmzLMgC459pbs+6PVz6hh1yp84j:aN3lb7UQo2e/S1JffaOpmzLMglNsjPVj
TLSH T1B4041846ED418F11C5D622FAFA9F414833536BB9E3FA7102DD206F6023C6A9F0BB6552
telfhash t1a9d02216602c8bafbeca0f84c3fa32390e10be49c3081c227a3281ce04c3481342dc13
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 280a531997b602d5334713d452c60cf22b7c7e023c0e6e99e154a6b6b1444836
File size (compressed) :71'240 bytes
File size (de-compressed) :182'580 bytes
Format:linux/arm
Packed file: 280a531997b602d5334713d452c60cf22b7c7e023c0e6e99e154a6b6b1444836

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/d160352c-2f69-476d-8174-36a5be2a455f/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated obfuscated rust
Link:
https://www.filescan.io/uploads/695083b23f8fdbf8e9539989/reports/309ae752-4bac-47b7-9236-804f15aec942/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T22:19:00Z UTC
Last seen:
2025-12-27T22:43:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b79f0af7-ceca-4475-8d92-022aa341bd92
Behavior Graph:
Download SVG
%3 guuid=9a21286a-1a00-0000-95ff-b47c2d0d0000 pid=3373 /usr/bin/sudo guuid=ab1b4f6c-1a00-0000-95ff-b47c340d0000 pid=3380 /tmp/sample.bin guuid=9a21286a-1a00-0000-95ff-b47c2d0d0000 pid=3373->guuid=ab1b4f6c-1a00-0000-95ff-b47c340d0000 pid=3380 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9239f168-8d1b-472a-8533-4893cca097f2
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1840635
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840635 Sample: arm7.elf Startdate: 28/12/2025 Architecture: LINUX Score: 80 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 151.242.30.13, 12121, 60898, 60900 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 daisy.ubuntu.com 2->35 37 Found malware configuration 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 2 other signatures 2->43 8 arm7.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 arm7.elf sh 8->13         started        15 arm7.elf sh 8->15         started        17 arm7.elf 8->17         started        19 2 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started        25 arm7.elf 17->25         started        27 arm7.elf 17->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 01:11:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=clb5q6hdwxv6fo3smzae5wporht4mbwkfiovn4nemqdhkaqmk57q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251228-bj35dstldk/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c009fd54-013b-4175-92f3-a5de395a9ad7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Create hunting rule
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 280a531997b602d5334713d452c60cf22b7c7e023c0e6e99e154a6b6b1444836

Mirai

elf 12c3d878e3b5ebe2bb7266404ed9ee89e7c606ca2a1d56f1a4640675020c577f

(this sample)

  
Dropped by
SHA256 280a531997b602d5334713d452c60cf22b7c7e023c0e6e99e154a6b6b1444836
  
URLhaus
https://urlhaus.abuse.ch/url/3722830/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 25753bd93e78848131f00ea32e37214a
  
URLhaus
https://urlhaus.abuse.ch/url/3719333/
  
URLhaus
https://urlhaus.abuse.ch/url/3722817/

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