MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12c1e3598ad05e4d26c854e83088746c74851a2b06ea69af8d9c5c2f3d4a5e9f. 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 7 File information Comments

SHA256 hash: 12c1e3598ad05e4d26c854e83088746c74851a2b06ea69af8d9c5c2f3d4a5e9f
SHA3-384 hash: c071e2a0625078ae094c1e312705797aa6706a7562f6d69f5bde830c06e53d54d7b60e4a0e33e4c4def27fb35276988d
SHA1 hash: 391e3e29bb004f590d6ad80c3a9eb9120789848d
MD5 hash: 6dfc7fff6eb8303ebec27a2d5fe9b720
humanhash: cardinal-west-vegan-steak
File name:nz.sh4
Download: download sample
Signature Mirai
File size:80'384 bytes
First seen:2026-03-30 00:28:48 UTC
Last seen:2026-03-30 06:56:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:U/G/lVA7lvz4CXKLKIJjL74QN/VQC9yUxdM7Z:Ue9VUx4CXKuI1J/VQ9OS7Z
TLSH T10C73AE23C8A61998D25C42B8B170FE3A5763E45056536FF7059BCA7AA047EDCF8093F1
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 :
3
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=debd0bfd-1b00-0000-a88c-fea9a60d0000 pid=3494 /usr/bin/sudo guuid=911fa8ff-1b00-0000-a88c-fea9a70d0000 pid=3495 /tmp/sample.bin guuid=debd0bfd-1b00-0000-a88c-fea9a60d0000 pid=3494->guuid=911fa8ff-1b00-0000-a88c-fea9a70d0000 pid=3495 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-30 00:29:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai 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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 12c1e3598ad05e4d26c854e83088746c74851a2b06ea69af8d9c5c2f3d4a5e9f

(this sample)

  
Delivery method
Distributed via web download

Comments