MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46787996f02073972177e5dc1ec2acea7f0138a0556993cd51c0e33375ebf946. 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 1 File information Comments

SHA256 hash: 46787996f02073972177e5dc1ec2acea7f0138a0556993cd51c0e33375ebf946
SHA3-384 hash: 87f74f8af2f37c81c5e9d4dbaebde2139043def2dc0acdb2852029bd6905f6dc52ab85846cb1e106450e10c630ca46e1
SHA1 hash: 2ff85ad154e7267c5e917451e052e6f2b0dc0e75
MD5 hash: 525eaa68bf74ed253779020d8b9dc72b
humanhash: uncle-william-mars-hydrogen
File name:nklsh4
Download: download sample
Signature Mirai
File size:66'844 bytes
First seen:2025-12-21 15:09:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/DSJA0zbVwgyjJJme2rCAdxUIlPYCP60kcT3bVR:/V0vHkmbuIlPYCxXT3
TLSH T18F63AD36D86AADA8C85C52B0B4B08F755B53700082972FFB5E99CA754003D9CF68DBF8
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 :
75
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T12:37:00Z UTC
Last seen:
2025-12-21T14:59:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=08737ae2-1900-0000-4740-b784b70a0000 pid=2743 /usr/bin/sudo guuid=1a868fe4-1900-0000-4740-b784be0a0000 pid=2750 /tmp/sample.bin guuid=08737ae2-1900-0000-4740-b784b70a0000 pid=2743->guuid=1a868fe4-1900-0000-4740-b784be0a0000 pid=2750 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837058 Sample: nklsh4.elf Startdate: 21/12/2025 Architecture: LINUX Score: 52 14 5.44.214.10 STAKA-ASAT Austria 2->14 16 5.44.214.11 STAKA-ASAT Austria 2->16 18 100 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Connects to many IPs within the same subnet mask (likely port scanning) 2->22 8 nklsh4.elf 2->8         started        signatures3 process4 process5 10 nklsh4.elf 8->10         started        process6 12 nklsh4.elf 10->12         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-21 15:11:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
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: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 46787996f02073972177e5dc1ec2acea7f0138a0556993cd51c0e33375ebf946

(this sample)

  
Delivery method
Distributed via web download

Comments