MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c9f2f7075b94037df0c51e200c4e624c5ec351321287754e4ea88a9fd1d7d51. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 8c9f2f7075b94037df0c51e200c4e624c5ec351321287754e4ea88a9fd1d7d51
SHA3-384 hash: b3dd1b541b7d98d78eebab111cabb1c24982fe7600ce87df1ebe97aef8a756d32f4af1edbaf9b91c29f947d971f047d4
SHA1 hash: 90333643ab47a9b8acd189d9de84772385fe7ee1
MD5 hash: 6944e542910831defe6837f19c82ae7a
humanhash: winter-iowa-charlie-twenty
File name:kvariant.arm6
Download: download sample
Signature Mirai
File size:83'260 bytes
First seen:2025-09-10 02:46:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+xnZNcrLxH1emVI6n/kahhY+s1pOiMNTXvmL5dYdL:+NuLxVnV/n/kaigNTXvuXe
TLSH T1AB830896B981AB25C6C1067FFE0F018E33135B6CE3DE731299245B6077CB56B0E2B916
telfhash t1dcb02be101dc2150a5a08709c1a3e38008d0f8f13c033003d3449dcf2097340c097632
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T00:38:00Z UTC
Last seen:
2025-09-10T00:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3321928f-1900-0000-f688-e38a560e0000 pid=3670 /usr/bin/sudo guuid=aa842693-1900-0000-f688-e38a570e0000 pid=3671 /tmp/sample.bin guuid=3321928f-1900-0000-f688-e38a560e0000 pid=3670->guuid=aa842693-1900-0000-f688-e38a570e0000 pid=3671 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774384 Sample: kvariant.arm6.elf Startdate: 10/09/2025 Architecture: LINUX Score: 72 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 kvariant.arm6.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-10 02:47:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Exploit.Mirai-9795501-0
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 8c9f2f7075b94037df0c51e200c4e624c5ec351321287754e4ea88a9fd1d7d51

(this sample)

  
Delivery method
Distributed via web download

Comments