MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfa479fbabdd7d73c65553e84a8de7a9250a9b0d52015b4c060f4e4ce06dd3e3. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments

SHA256 hash: cfa479fbabdd7d73c65553e84a8de7a9250a9b0d52015b4c060f4e4ce06dd3e3
SHA3-384 hash: 6e7ef97187070ef25b64b64883c574baf80f975b9e4036955e3b18b66bc252d38f06c78c7513e306c93787f8f9e2c414
SHA1 hash: 9cd70e8171d0e4a0fc188e47d7c5d0ea83e3600f
MD5 hash: 2641c4905a0abdf30f4d912363096325
humanhash: monkey-october-yellow-queen
File name:debug
Download: download sample
Signature Mirai
File size:95'536 bytes
First seen:2025-10-01 16:15:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EVtuZOJchUtCSn9oALwR6tyHS1hfRrlLlXlUlKlCfnyXCIeBL:EVxJ1tCi9DwwtyyTfBBluMFCBBL
TLSH T1AA937CC6E683C4F9ED5301302177BB375EB6DA3E2265CB83C7A9E931EC22601C16665D
telfhash t15631c3fa26be0ce4a7d48902e10e5e613c1def7b641477f246b399782267d521137c39
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 :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Opens a port
Sends data to a server
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
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:
4
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-01T14:27:00Z UTC
Last seen:
2025-10-02T04:08:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=cf9020ff-1900-0000-b273-273180090000 pid=2432 /usr/bin/sudo guuid=29260801-1a00-0000-b273-273188090000 pid=2440 /tmp/sample.bin net send-data guuid=cf9020ff-1900-0000-b273-273180090000 pid=2432->guuid=29260801-1a00-0000-b273-273188090000 pid=2440 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=29260801-1a00-0000-b273-273188090000 pid=2440->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 360B a9a6a646-bb5e-5819-9341-c8bf2a21b1b0 uraniumc2.ddns.net:80 guuid=29260801-1a00-0000-b273-273188090000 pid=2440->a9a6a646-bb5e-5819-9341-c8bf2a21b1b0 send: 16B guuid=8f52de3c-1a00-0000-b273-2731010a0000 pid=2561 /tmp/sample.bin dns net send-data guuid=29260801-1a00-0000-b273-273188090000 pid=2440->guuid=8f52de3c-1a00-0000-b273-2731010a0000 pid=2561 clone guuid=cdff6169-1b00-0000-b273-2731700c0000 pid=3184 /tmp/sample.bin guuid=29260801-1a00-0000-b273-273188090000 pid=2440->guuid=cdff6169-1b00-0000-b273-2731700c0000 pid=3184 clone guuid=8f52de3c-1a00-0000-b273-2731010a0000 pid=2561->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B a1a7e44c-f53d-520b-b2c8-ccb9907e473c uraniumc2.ddns.net:12121 guuid=8f52de3c-1a00-0000-b273-2731010a0000 pid=2561->a1a7e44c-f53d-520b-b2c8-ccb9907e473c send: 10B guuid=c359e83c-1a00-0000-b273-2731020a0000 pid=2562 /tmp/sample.bin guuid=8f52de3c-1a00-0000-b273-2731010a0000 pid=2561->guuid=c359e83c-1a00-0000-b273-2731020a0000 pid=2562 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses IRC for communication with a C&C
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1787538 Sample: debug.elf Startdate: 01/10/2025 Architecture: LINUX Score: 80 23 uraniumc2.ddns.net 2->23 25 135.125.140.34, 25565 AVAYAUS United States 2->25 27 4 other IPs or domains 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 37 2 other signatures 2->37 9 debug.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 35 Uses dynamic DNS services 23->35 process4 process5 13 debug.elf 9->13         started        15 debug.elf 9->15         started        process6 17 debug.elf 13->17         started        19 debug.elf 13->19         started        process7 21 debug.elf 17->21         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-01 16:16:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
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
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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: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 cfa479fbabdd7d73c65553e84a8de7a9250a9b0d52015b4c060f4e4ce06dd3e3

(this sample)

  
Delivery method
Distributed via web download

Comments