MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a6cb1c36ea96c84a5fac06a58c8ef96f695172ca9489ea8b13bfb7244c25360. 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 2 File information Comments

SHA256 hash: 4a6cb1c36ea96c84a5fac06a58c8ef96f695172ca9489ea8b13bfb7244c25360
SHA3-384 hash: 2222612b9875a5b88f6bdc1ae62e9acd528c369bcaedec6c8249156242886a8336bb4d6a783669827a592fbdd59084f3
SHA1 hash: 3eb8349ec3e51c45365738283cdbe51f3ee12fa3
MD5 hash: ab7bd2d6c5cfc610adb19654d70d7997
humanhash: lithium-burger-mobile-queen
File name:nklm68k
Download: download sample
Signature Mirai
File size:89'928 bytes
First seen:2026-01-12 13:13:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aUQB36DoJLTKjio5ekb8oqEblXWabi2syshzsb/kPhsxrJH3XDqoLO8df1MWTPQ:/QB36DUO+o5efkRGab6z2ykHnDqoLnMb
TLSH T13B934C96B000DC7EF91BE6B790070B15B130A7A59F426B67B62BFD63DE3D0685C1AC42
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=c8ccc03a-1800-0000-ea52-37773e0c0000 pid=3134 /usr/bin/sudo guuid=bd21c33d-1800-0000-ea52-3777470c0000 pid=3143 /tmp/sample.bin guuid=c8ccc03a-1800-0000-ea52-37773e0c0000 pid=3134->guuid=bd21c33d-1800-0000-ea52-3777470c0000 pid=3143 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849114 Sample: nklm68k.elf Startdate: 12/01/2026 Architecture: LINUX Score: 68 18 119.13.4.112 ISEEK-AS-APiseekCommunicationsPtyLtdAU Australia 2->18 20 119.13.4.115 ISEEK-AS-APiseekCommunicationsPtyLtdAU Australia 2->20 22 100 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 nklm68k.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklm68k.elf 8->14         started        process6 16 nklm68k.elf 14->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-12 13:14:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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: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 4a6cb1c36ea96c84a5fac06a58c8ef96f695172ca9489ea8b13bfb7244c25360

(this sample)

  
Delivery method
Distributed via web download

Comments