MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 776bd43ac6124cff6985d70193cc38c8874cf9d7fd32bdb4b1e1fe9d5bfffddd. 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: 9


Intelligence 9 IOCs YARA 18 File information Comments

SHA256 hash: 776bd43ac6124cff6985d70193cc38c8874cf9d7fd32bdb4b1e1fe9d5bfffddd
SHA3-384 hash: e54e8cd63e8479f032eb1e628406129284d3ee729773727e3b64e485a427ff1136cd884174d6fa3d1a26eb393e9540ce
SHA1 hash: f2b6e9048b9b9f0e14eef17301cfda2c9f2677ac
MD5 hash: 14b821abbc92150eb97a9f692dfcdb08
humanhash: muppet-muppet-cat-quiet
File name:ciubuc_arm5
Download: download sample
Signature Mirai
File size:2'470'780 bytes
First seen:2026-05-02 18:05:23 UTC
Last seen:2026-05-02 21:40:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:cd0sviBeTKxPF8BTqpZoiLPjqoQUfFJDiblnmCAmRtdus5tsjwAHZPoVp4vPlev:cdKPWqvo2/JIftAs4qVp4vPle
TLSH T13BB55B41FC51AA56C6E067BAFB7EC28833272BB9C3EE30174D04573477AA95A0E3B541
telfhash t1442111a88f69196ce7e4c1ee827ba5359d18306e1d1210976abd538f4861dd5313410e
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 expand lolbin rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-02T15:12:00Z UTC
Last seen:
2026-05-02T15:49:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-05-02 18:06:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 776bd43ac6124cff6985d70193cc38c8874cf9d7fd32bdb4b1e1fe9d5bfffddd

(this sample)

  
Delivery method
Distributed via web download

Comments