MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af7f99e1c3428cbd90e47aabab0a83105c3e0fbb9fa5b5b29bff94dcc4b432b3. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments

SHA256 hash: af7f99e1c3428cbd90e47aabab0a83105c3e0fbb9fa5b5b29bff94dcc4b432b3
SHA3-384 hash: b0c1a183a5a36ae45caf2d8d7c54281d2d5d26839b5acfd700990660047e44189a92e93a1025c02a49f2d144a1da46bd
SHA1 hash: c22c598ebf81d3ca77a604448088dd9d94ae2256
MD5 hash: 09e7f30d1637b7796a710ba6848a070d
humanhash: blue-nebraska-venus-texas
File name:bot.x86
Download: download sample
Signature Mirai
File size:89'576 bytes
First seen:2025-12-20 13:54:53 UTC
Last seen:2025-12-20 20:55:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:xpmWc2AcighsZ82fJxfcqSHD1mSsM8meUigBQ9TnkISGtAd/0xZ:xpmX2riED2frfkHhmLVUBQ9kVT/0x
TLSH T19F936CC5F643D4F5E89304B1613AEB339B33F0B52019EA43D7799932ECA2511EA16B5C
telfhash t18a5106fa2dbe0cfcb3e56c08c74e2ad32a55da7b1951357184a79ca533f3a4080a5c36
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 :
2
# of downloads :
143
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T11:34:00Z UTC
Last seen:
2025-12-20T13:57:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=9d2fd1c3-1700-0000-cf00-126d640b0000 pid=2916 /usr/bin/sudo guuid=370258c5-1700-0000-cf00-126d680b0000 pid=2920 /tmp/sample.bin delete-file net guuid=9d2fd1c3-1700-0000-cf00-126d640b0000 pid=2916->guuid=370258c5-1700-0000-cf00-126d680b0000 pid=2920 execve 672c9bdc-3d54-5efc-bf67-499d67064206 157.15.98.82:53 guuid=370258c5-1700-0000-cf00-126d680b0000 pid=2920->672c9bdc-3d54-5efc-bf67-499d67064206 con guuid=1b6bb0c5-1700-0000-cf00-126d6b0b0000 pid=2923 /tmp/sample.bin dns net send-data zombie guuid=370258c5-1700-0000-cf00-126d680b0000 pid=2920->guuid=1b6bb0c5-1700-0000-cf00-126d6b0b0000 pid=2923 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1b6bb0c5-1700-0000-cf00-126d6b0b0000 pid=2923->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B c4f3c6ae-3751-5d51-856d-2158546e8aee cnc.zinomc.com:43957 guuid=1b6bb0c5-1700-0000-cf00-126d6b0b0000 pid=2923->c4f3c6ae-3751-5d51-856d-2158546e8aee send: 7B 92fccc20-d123-581c-91c8-8572c263f7fe cnc.zinomc.com:53 guuid=1b6bb0c5-1700-0000-cf00-126d6b0b0000 pid=2923->92fccc20-d123-581c-91c8-8572c263f7fe con guuid=cbd3bdc5-1700-0000-cf00-126d6c0b0000 pid=2924 /tmp/sample.bin guuid=1b6bb0c5-1700-0000-cf00-126d6b0b0000 pid=2923->guuid=cbd3bdc5-1700-0000-cf00-126d6c0b0000 pid=2924 clone
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836750 Sample: bot.x86.elf Startdate: 20/12/2025 Architecture: LINUX Score: 100 18 cnc.zinomc.com 157.15.98.82, 43957, 58148, 58150 TCP-NETTCPIncJP unknown 2->18 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 2 other IPs or domains 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 5 other signatures 2->30 8 bot.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 bot.x86.elf 8->14         started        process6 16 bot.x86.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-20 13:55:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 af7f99e1c3428cbd90e47aabab0a83105c3e0fbb9fa5b5b29bff94dcc4b432b3

(this sample)

  
Delivery method
Distributed via web download

Comments