MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4f605c2274bb2aabae86e5b5fb0bfe540353981dcb49b4f3a57ae4fbfb64c8c. 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 3 File information Comments

SHA256 hash: a4f605c2274bb2aabae86e5b5fb0bfe540353981dcb49b4f3a57ae4fbfb64c8c
SHA3-384 hash: 90538d6c4681f65ff419944ba15276f91783f66109a2eda0b7dd14acd578dcfcea63ea8c97409fc4d60460c01e8e3c7d
SHA1 hash: 300eb79ac33a06223b78f094f8b52cc860387f4e
MD5 hash: 95aa4f9dacd1a42fc7af1c07df46c61b
humanhash: triple-spring-kilo-finch
File name:m9x7k2v8b3.ppc
Download: download sample
Signature Mirai
File size:40'516 bytes
First seen:2026-01-01 08:05:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:oXwlzie4GncDW+sDy3ld5g9CMD7aYXhTxShoDxMgUelaRf4uVcqgw09A:oXwKGnh+sDMle7aGVxooDARf4u+qgw0O
TLSH T14103E131E44C8BE7EB7F95E81F8C86C6635519A2367FC4831A12AB02677B562710EDD0
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 mirai UPX
File size (compressed) :40'516 bytes
File size (de-compressed) :88'600 bytes
Format:linux/ppc32
Unpacked file: 0c1d197ae86caf0ffdd1ca5574a62b11178e1119fc6720a549888561ba1a3604

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-31T17:01:00Z UTC
Last seen:
2026-01-01T12:48:00Z 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
Status:
terminated
Behavior Graph:
%3 guuid=524e25db-1800-0000-c532-0e1a47060000 pid=1607 /usr/bin/sudo guuid=6e7064de-1800-0000-c532-0e1a51060000 pid=1617 /tmp/sample.bin guuid=524e25db-1800-0000-c532-0e1a47060000 pid=1607->guuid=6e7064de-1800-0000-c532-0e1a51060000 pid=1617 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843056 Sample: m9x7k2v8b3.ppc.elf Startdate: 01/01/2026 Architecture: LINUX Score: 60 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 m9x7k2v8b3.ppc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 m9x7k2v8b3.ppc.elf 8->12         started        14 m9x7k2v8b3.ppc.elf 8->14         started        16 m9x7k2v8b3.ppc.elf 8->16         started        process6 18 m9x7k2v8b3.ppc.elf 12->18         started        20 m9x7k2v8b3.ppc.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-01 06:27:09 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9936831-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf a4f605c2274bb2aabae86e5b5fb0bfe540353981dcb49b4f3a57ae4fbfb64c8c

(this sample)

  
Delivery method
Distributed via web download

Comments