MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12f45f9c3b6e57ed453e891b0f6e72f7edd0c70bfe1e2253fe4e96b16980964f. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 12f45f9c3b6e57ed453e891b0f6e72f7edd0c70bfe1e2253fe4e96b16980964f
SHA3-384 hash: d496de370c9d2d7209f6b7a21ca67539a5200fb933e23a50dc59445a6ea1d10c257e14f679872352871fa59b115c575b
SHA1 hash: d3dd1425e1cfece59c3f643aeeee79f176916251
MD5 hash: a282440df41cf2e032725f149ebd19e2
humanhash: skylark-august-hydrogen-oregon
File name:agetty
Download: download sample
Signature Mirai
File size:145'805 bytes
First seen:2025-08-06 05:30:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:80HtxQB76xo9rQNdubeYFp/5dOlSHVDIe5z:80NxjxaUNJYFp/5dOlSHVDIeZ
TLSH T114E3F93B6B170E63C1C9007111E31332E9A5DF8938B997D7A9E07D5C2F3AA883556BD8
telfhash t181316752997842282ff69928bcad4ab30152662353662f72af75c5cc48260a1e53dd4b
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc threat
Status:
terminated
Behavior Graph:
%3 guuid=b2f74813-1c00-0000-2cea-c5e4980f0000 pid=3992 /usr/bin/sudo guuid=9a734619-1c00-0000-2cea-c5e4a30f0000 pid=4003 /tmp/sample.bin guuid=b2f74813-1c00-0000-2cea-c5e4980f0000 pid=3992->guuid=9a734619-1c00-0000-2cea-c5e4a30f0000 pid=4003 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1751086 Sample: agetty.elf Startdate: 06/08/2025 Architecture: LINUX Score: 80 45 206.123.128.67, 65481 LEASEWEB-USA-NYC-11US United States 2->45 47 daisy.ubuntu.com 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 2 other signatures 2->55 9 agetty.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 57 Opens /proc/net/* files useful for finding connected devices and routers 9->57 14 agetty.elf 9->14         started        16 agetty.elf 9->16         started        18 agetty.elf 9->18         started        process6 process7 20 agetty.elf sh 14->20         started        22 agetty.elf sh 14->22         started        24 agetty.elf sh 14->24         started        28 29 other processes 14->28 26 agetty.elf 16->26         started        process8 30 sh killall 20->30         started        33 sh killall 22->33         started        35 sh killall 24->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 26 other processes 28->43 signatures9 59 Terminates several processes with shell command 'killall' 30->59
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-08-06 05:31:05 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 12f45f9c3b6e57ed453e891b0f6e72f7edd0c70bfe1e2253fe4e96b16980964f

(this sample)

  
Delivery method
Distributed via web download

Comments