MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76169f5a5e8d1eb4cf7e79f3bbc422b0d8f870da1530212ef4c3d88f232d9362. 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 20 File information Comments

SHA256 hash: 76169f5a5e8d1eb4cf7e79f3bbc422b0d8f870da1530212ef4c3d88f232d9362
SHA3-384 hash: 4bd5bdf29560f695da7ba73de050eb25a614430f25abae468187b28a20b5d2f6d5d73675b6abf86f2fa69da2198eeaa6
SHA1 hash: 6dc45f3dbf864595780a4f0b77529d260a0763bd
MD5 hash: be3354d3957dfdfc3ddca5cb5925f90d
humanhash: tennis-summer-nuts-november
File name:kurayami.x86
Download: download sample
Signature Mirai
File size:141'676 bytes
First seen:2026-03-30 06:59:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:SS3mvDmaFrp0nvT6jr9abt5O0Ju/LmQt:V3mbmaIhykCLn
TLSH T14ED36CC4E64FD0F6E91211352176B7269A72FD3A113EDE83C3A89B62AC939C0D61735C
telfhash t179516bf6a67a1dec9b806803fb4f5721ed0ea77b316065fa49f625903232541037ac3d
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c
File size (compressed) :57'248 bytes
File size (de-compressed) :141'676 bytes
Format:linux/i386
Packed file: 78b1f087230ead241657141b363d532ed48e35cab865bf5e27ef4f761ddd476c

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=77ffa269-1b00-0000-7aec-1a658d0b0000 pid=2957 /usr/bin/sudo guuid=6524866c-1b00-0000-7aec-1a65940b0000 pid=2964 /tmp/sample.bin net guuid=77ffa269-1b00-0000-7aec-1a658d0b0000 pid=2957->guuid=6524866c-1b00-0000-7aec-1a65940b0000 pid=2964 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6524866c-1b00-0000-7aec-1a65940b0000 pid=2964->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0c76c76c-1b00-0000-7aec-1a65950b0000 pid=2965 /tmp/sample.bin guuid=6524866c-1b00-0000-7aec-1a65940b0000 pid=2964->guuid=0c76c76c-1b00-0000-7aec-1a65950b0000 pid=2965 clone guuid=1fd01299-1c00-0000-7aec-1a659a0d0000 pid=3482 /tmp/sample.bin guuid=6524866c-1b00-0000-7aec-1a65940b0000 pid=2964->guuid=1fd01299-1c00-0000-7aec-1a659a0d0000 pid=3482 clone guuid=daa31799-1c00-0000-7aec-1a659b0d0000 pid=3483 /tmp/sample.bin net send-data zombie guuid=6524866c-1b00-0000-7aec-1a65940b0000 pid=2964->guuid=daa31799-1c00-0000-7aec-1a659b0d0000 pid=3483 clone guuid=e7ffcf6c-1b00-0000-7aec-1a65960b0000 pid=2966 /tmp/sample.bin guuid=0c76c76c-1b00-0000-7aec-1a65950b0000 pid=2965->guuid=e7ffcf6c-1b00-0000-7aec-1a65960b0000 pid=2966 clone guuid=1f53db6c-1b00-0000-7aec-1a65980b0000 pid=2968 /tmp/sample.bin net send-data zombie guuid=0c76c76c-1b00-0000-7aec-1a65950b0000 pid=2965->guuid=1f53db6c-1b00-0000-7aec-1a65980b0000 pid=2968 clone guuid=1f53db6c-1b00-0000-7aec-1a65980b0000 pid=2968->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 5b1fbf77-b20c-52ab-bd01-8608ea336134 142.248.80.144:69 guuid=1f53db6c-1b00-0000-7aec-1a65980b0000 pid=2968->5b1fbf77-b20c-52ab-bd01-8608ea336134 send: 6B guuid=daa31799-1c00-0000-7aec-1a659b0d0000 pid=3483->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=daa31799-1c00-0000-7aec-1a659b0d0000 pid=3483->5b1fbf77-b20c-52ab-bd01-8608ea336134 send: 2B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-30 03:22:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
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 76169f5a5e8d1eb4cf7e79f3bbc422b0d8f870da1530212ef4c3d88f232d9362

(this sample)

  
Delivery method
Distributed via web download

Comments