MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d
SHA3-384 hash: 3fef911efc41dec16b565e618c30458856fab5b18b3181a5a2dc65ef07dcd39aebc8fe28391b4af5ea826850e09239b0
SHA1 hash: 445c02839b8898c6e73eb4d04dc5d28821437c40
MD5 hash: 62964659e7793c0411c2200526287fe3
humanhash: helium-kilo-summer-colorado
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:168'448 bytes
First seen:2025-12-29 16:45:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Lepl5Kay0WdX/5efciXNPbOqfZ/W8j55VL6hh1BV:LraWXkciXVRu87V0V
TLSH T10BF38C73C8296E9CCA24C4B1F0B19F795B53902661836FFBA5A7C2718047E9CF6097B4
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/eaf3649c-c303-4986-8c58-e54e438af644/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.32133.LX.BOT.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.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

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

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

Unix.Trojan.Generic-9910198-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

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

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

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T13:50:00Z UTC
Last seen:
2025-12-29T14:23:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/36cd8081-77a0-40d1-a484-b470bfcd6e82
Behavior Graph:
Download SVG
%3 guuid=932f3089-1800-0000-ca8d-259dce090000 pid=2510 /usr/bin/sudo guuid=4cffe08b-1800-0000-ca8d-259dd3090000 pid=2515 /tmp/sample.bin guuid=932f3089-1800-0000-ca8d-259dce090000 pid=2510->guuid=4cffe08b-1800-0000-ca8d-259dd3090000 pid=2515 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a42a0c5f-7591-49e6-b5bd-9ff6bac70c49
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1841600
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 signatures2 2 Behavior Graph ID: 1841600 Sample: sh4.elf Startdate: 29/12/2025 Architecture: LINUX Score: 80 64 Found malware configuration 2->64 66 Antivirus detection for dropped file 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 2 other signatures 2->70 9 sh4.elf 2->9         started        12 python3.8 dpkg 2->12         started        process3 file4 62 /usr/local/bin/infinitd, ELF 9->62 dropped 14 sh4.elf 9->14         started        16 sh4.elf 9->16         started        18 sh4.elf sh 9->18         started        20 2 other processes 9->20 process5 process6 22 sh4.elf 14->22         started        24 sh4.elf 14->24         started        26 sh4.elf 16->26         started        28 sh4.elf 16->28         started        30 sh4.elf 16->30         started        32 sh4.elf 16->32         started        34 sh systemctl 18->34         started        36 sh systemctl 20->36         started        process7 38 sh4.elf 22->38         started        40 sh4.elf 22->40         started        42 sh4.elf 22->42         started        44 sh4.elf 22->44         started        46 sh4.elf 26->46         started        48 sh4.elf 28->48         started        50 sh4.elf 30->50         started        52 sh4.elf 32->52         started        process8 54 sh4.elf 38->54         started        56 sh4.elf 40->56         started        58 sh4.elf 42->58         started        60 sh4.elf 44->60         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 16:45:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckrxpccbrmzoupppefbct5724sps22nbsuwjzcjkzlyssqfjszwq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251229-t9nfqsyphp/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0f0cc762-73d5-4c71-a2b4-bec77c22a986
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/12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d

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 12a37788418b32ea3def214229f7fae49f2d69a1952c9c892acaf12940a9966d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3719325/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3722821/

Comments