MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b168935584ace503a0f3b913bb642592784b99417e18febf54bc16dc3b64caa. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 4b168935584ace503a0f3b913bb642592784b99417e18febf54bc16dc3b64caa
SHA3-384 hash: 5c96645144a4a6d21e8afef468ac5c546039a4685d9aa2d453a9ab016ca736bcdcdccdcbacc58401810a33a929d7cee3
SHA1 hash: f08176f42631b4b7deb2700d434e7a3e6afd6731
MD5 hash: ceb4179916139bcc3ecf7c49a4cce26a
humanhash: july-arkansas-burger-maine
File name:nklarm7
Download: download sample
Signature Mirai
File size:111'988 bytes
First seen:2026-01-18 13:23:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:rASvWBEsydZfEvsfFc6M92nvkrG0FhpNFzVUj2hBATAv:9d0GcOvkrG0FrNdVw2h
TLSH T13AB309CABC819B11D5D566BAFE0F518D33134B78E3FA7103DE149B2D278A86B0A3B541
telfhash t1adf05c70cf5c418e7fc4211cc0fd513743aa72ec7d602a83082dde864ab39c1712c80a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=7e838f2c-1a00-0000-1032-b7806a0b0000 pid=2922 /usr/bin/sudo guuid=68633b2f-1a00-0000-1032-b7806f0b0000 pid=2927 /tmp/sample.bin guuid=7e838f2c-1a00-0000-1032-b7806a0b0000 pid=2922->guuid=68633b2f-1a00-0000-1032-b7806f0b0000 pid=2927 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
48 / 100
Signature
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852752 Sample: nklarm7.elf Startdate: 18/01/2026 Architecture: LINUX Score: 48 14 89.208.98.206, 23 ZVEZDA-ASRU Russian Federation 2->14 16 211.135.120.194 ZAQJupiterTelecommunicationsCoLtdJP Japan 2->16 18 100 other IPs or domains 2->18 20 Yara detected Mirai 2->20 8 nklarm7.elf 2->8         started        signatures3 process4 process5 10 nklarm7.elf 8->10         started        process6 12 nklarm7.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-18 13:24:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 29 (34.48%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Renames itself
Contacts a large (67640) amount of remote hosts
Creates a large amount of network flows
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_Threat_8299c877
Author:Elastic Security
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 4b168935584ace503a0f3b913bb642592784b99417e18febf54bc16dc3b64caa

(this sample)

  
Delivery method
Distributed via web download

Comments