MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12b1cc1adebe8ce52cd43a501cdb3ac30fef354cbe0f311dc6dce83f944097df. 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: 7


Intelligence 7 IOCs YARA 14 File information Comments
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SHA256 hash: 12b1cc1adebe8ce52cd43a501cdb3ac30fef354cbe0f311dc6dce83f944097df
SHA3-384 hash: a28aed2619e022856ec51852992bcfeb02a8304b6f94ca2e8d29a7c09373ae399f4afaa96602fab2e215e7b4f436e5f1
SHA1 hash: 5dccb0d35ad7359ff925d6b5c88918a13c732707
MD5 hash: 708030ba34eb0450c09be146eb1fb807
humanhash: london-paris-alpha-fruit
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:2'440'232 bytes
First seen:2025-07-13 00:47:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:vRNjX4SgrTtjod7wosLhjgIaEk/9jYmZSl6Ai+++7iHuMVC5nvPldic:zgFtk/YviHS5nld
TLSH T1C5B57C3389187FDFC529D571A129CEB20793A88051675FB635A6E2B84943EC2F7023F9
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
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Sanesecurity.Malware.29052.TSource.UNOFFICIAL
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Unix.Dropper.Mirai-7136288-0
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Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68730250900df8e7f86a4e56linux22vpnfull_triage
Tags:
n/a
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/37d2cc79-17ae-4e19-be62-b330e44d57b5
Behavior Graph:
Download SVG
%3 guuid=fe2a2ebf-1900-0000-f516-130ab1090000 pid=2481 /usr/bin/sudo guuid=9fabdac0-1900-0000-f516-130ab8090000 pid=2488 /tmp/sample.bin guuid=fe2a2ebf-1900-0000-f516-130ab1090000 pid=2481->guuid=9fabdac0-1900-0000-f516-130ab8090000 pid=2488 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/917c0662-b93d-4da5-a1c0-d273c4fe4bdf
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1735014
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found malware configuration
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735014 Sample: sh4.elf Startdate: 13/07/2025 Architecture: LINUX Score: 88 35 87.121.84.210, 35752, 35754, 35756 SKATTV-ASBG Bulgaria 2->35 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Gafgyt 2->49 51 Yara detected Mirai 2->51 10 sh4.elf 2->10         started        signatures3 process4 signatures5 53 Sample tries to set files in /etc globally writable 10->53 55 Drops files in suspicious directories 10->55 57 Sample tries to persist itself using System V runlevels 10->57 13 sh4.elf 10->13         started        15 sh4.elf sh 10->15         started        process6 process7 17 sh4.elf 13->17         started        21 sh cp 15->21         started        file8 31 /etc/init.d/sysd, POSIX 17->31 dropped 37 Sample tries to set files in /etc globally writable 17->37 39 Drops files in suspicious directories 17->39 41 Sample tries to persist itself using System V runlevels 17->41 23 sh4.elf sh 17->23         started        25 sh4.elf 17->25         started        43 Drops invisible ELF files 21->43 signatures9 process10 process11 27 sh cp 23->27         started        file12 33 /usr/bin/.sh, ELF 27->33 dropped 59 Drops invisible ELF files 27->59 61 Drops files in suspicious directories 27->61 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/12b1cc1adebe8ce52cd43a501cdb3ac30fef354cbe0f311dc6dce83f944097df
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/12b1cc1adebe8ce52cd43a501cdb3ac30fef354cbe0f311dc6dce83f944097df/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-13 00:48:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cky4ygw6x2goklguhjibzwz2ymh66nkmxyhtchog3tud7fcas7pq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250713-a5vvgacm9s/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/12506e2a-612b-4488-8a1e-33e0d469b0b9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/12b1cc1adebe8ce52cd43a501cdb3ac30fef354cbe0f311dc6dce83f944097df

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:testlumma
Create hunting rule
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

Mirai

elf 12b1cc1adebe8ce52cd43a501cdb3ac30fef354cbe0f311dc6dce83f944097df

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581091/
  
Delivery method
Distributed via web download

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