MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61656e81ea21850068cdb7df34b9c30402f02ccc9a0c5799a9066be85fed5f99. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 61656e81ea21850068cdb7df34b9c30402f02ccc9a0c5799a9066be85fed5f99
SHA3-384 hash: 9f3bfa365ba86c6c30fe87cd9cafa785b73c2a08e0149db3bc71b9366835d474ec1eed4e8d78e1dd7fa232a8a1569120
SHA1 hash: 3741c067486afb45acbce33dc50faa1c09d0f812
MD5 hash: bd9d945ab67194a0f6097f794d8651e1
humanhash: orange-may-florida-hamper
File name:i4_x86
Download: download sample
Signature Mirai
File size:129'328 bytes
First seen:2025-12-25 22:14:53 UTC
Last seen:2025-12-26 02:28:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:5zo9jm/+SVjS/PWhduvfQ6BxtkfjrzvUIIogS6v5dfZfz7unAcU0310fIoVkZ0/5:lU72IWhedxan4w6tiRaxVJsmd
TLSH T175C33A41F34BE1F0DD8205B0115BFB37AA3269762134DD6BEBE4FA737C616529806A2C
telfhash t14f31ef278eea0dd877e08921c3dd6720de0ee87b1854b9954ab217d432b3f01637ac39
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 :
60
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-25T19:32:00Z UTC
Last seen:
2025-12-26T12:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=fed3f09f-1900-0000-e904-c40b88090000 pid=2440 /usr/bin/sudo guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444 /tmp/sample.bin net write-file guuid=fed3f09f-1900-0000-e904-c40b88090000 pid=2440->guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=108b99a3-1900-0000-e904-c40b8d090000 pid=2445 /tmp/sample.bin guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444->guuid=108b99a3-1900-0000-e904-c40b8d090000 pid=2445 clone guuid=10bf40df-1900-0000-e904-c40b270a0000 pid=2599 /tmp/sample.bin guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444->guuid=10bf40df-1900-0000-e904-c40b270a0000 pid=2599 clone guuid=1f64eb1a-1a00-0000-e904-c40bc00a0000 pid=2752 /tmp/sample.bin guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444->guuid=1f64eb1a-1a00-0000-e904-c40bc00a0000 pid=2752 clone guuid=897af01a-1a00-0000-e904-c40bc10a0000 pid=2753 /tmp/sample.bin net send-data zombie guuid=2c4032a2-1900-0000-e904-c40b8c090000 pid=2444->guuid=897af01a-1a00-0000-e904-c40bc10a0000 pid=2753 clone guuid=897af01a-1a00-0000-e904-c40bc10a0000 pid=2753->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 600e6a0f-dde9-5689-8a38-d4560e88db4d 46.151.182.229:1999 guuid=897af01a-1a00-0000-e904-c40bc10a0000 pid=2753->600e6a0f-dde9-5689-8a38-d4560e88db4d send: 7B
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839481 Sample: i4_x86.elf Startdate: 25/12/2025 Architecture: LINUX Score: 72 21 109.202.202.202, 80 INIT7CH Switzerland 2->21 23 46.151.182.229, 1999, 58646, 58650 CRONON-ASObermuensterstr9DE Ukraine 2->23 25 3 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Moobot 2->33 7 i4_x86.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        signatures3 process4 process5 13 i4_x86.elf 7->13         started        15 i4_x86.elf 7->15         started        17 i4_x86.elf 7->17         started        19 i4_x86.elf 7->19         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-25 22:15:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion linux
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_3a56423b Linux_Trojan_Mirai_6e8e9257 Linux_Gafgyt_May_2024
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a56423b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6e8e9257
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 61656e81ea21850068cdb7df34b9c30402f02ccc9a0c5799a9066be85fed5f99

(this sample)

  
Delivery method
Distributed via web download

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