MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b037857eb970ec9ea482c24dd0c15086a912561d42236c10e43afce57cef2f3. 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 16 File information Comments

SHA256 hash: 0b037857eb970ec9ea482c24dd0c15086a912561d42236c10e43afce57cef2f3
SHA3-384 hash: d038d2ca62136bc5e9cddf57d583411418f2486d6408f52b38b171adaeae94e5590bd4c334c389a0898f7d35ab3c4d43
SHA1 hash: c258f9e9ce642db78a57dec31b221004deef2891
MD5 hash: d63b39b664f488134c4db91566aa26de
humanhash: nineteen-iowa-sad-purple
File name:debug
Download: download sample
Signature Mirai
File size:79'796 bytes
First seen:2025-10-29 14:30:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AICixUYWqf9/Pt0H2kp8NW2Mzd+REYaGL3SEQC5Bn:Aqwqf1TkONVMBEEA1QgBn
TLSH T178736DC6B6C3C8F5EC130A3111767B2759B3E13E32A5CB83C3E9E636D812980E55665D
telfhash t1e031e7fb0e7e0ce8a7c9a840835e5b151859e37b252436b64263cd64329fdc150bbc38
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 4eed3b959144c1864432ff98df2e5d3e3df712b6ac64d3a9b3cae321c5413d60
File size (compressed) :40'012 bytes
File size (de-compressed) :79'796 bytes
Format:linux/i386
Packed file: 4eed3b959144c1864432ff98df2e5d3e3df712b6ac64d3a9b3cae321c5413d60

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-07-31T02:08:00Z UTC
Last seen:
2025-10-30T11:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=8bef9163-1900-0000-10c1-79b523090000 pid=2339 /usr/bin/sudo guuid=75714966-1900-0000-10c1-79b529090000 pid=2345 /tmp/sample.bin net send-data guuid=8bef9163-1900-0000-10c1-79b523090000 pid=2339->guuid=75714966-1900-0000-10c1-79b529090000 pid=2345 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=75714966-1900-0000-10c1-79b529090000 pid=2345->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 975B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=75714966-1900-0000-10c1-79b529090000 pid=2345->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=fabb2da2-1900-0000-10c1-79b59d090000 pid=2461 /tmp/sample.bin dns net send-data guuid=75714966-1900-0000-10c1-79b529090000 pid=2345->guuid=fabb2da2-1900-0000-10c1-79b59d090000 pid=2461 clone guuid=6cafd8ce-1a00-0000-10c1-79b53a0c0000 pid=3130 /tmp/sample.bin guuid=75714966-1900-0000-10c1-79b529090000 pid=2345->guuid=6cafd8ce-1a00-0000-10c1-79b53a0c0000 pid=3130 clone guuid=fabb2da2-1900-0000-10c1-79b59d090000 pid=2461->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 190B 00cb50cf-cfea-501b-b2ea-c0cab3b44dca meow2137.duckdns.org:12121 guuid=fabb2da2-1900-0000-10c1-79b59d090000 pid=2461->00cb50cf-cfea-501b-b2ea-c0cab3b44dca send: 4B guuid=cb4d36a2-1900-0000-10c1-79b59e090000 pid=2462 /tmp/sample.bin guuid=fabb2da2-1900-0000-10c1-79b59d090000 pid=2461->guuid=cb4d36a2-1900-0000-10c1-79b59e090000 pid=2462 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1803958 Sample: debug.elf Startdate: 29/10/2025 Architecture: LINUX Score: 68 22 meow2137.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 5 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 14:36:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
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:
meow2137.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt mirai 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: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: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: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 0b037857eb970ec9ea482c24dd0c15086a912561d42236c10e43afce57cef2f3

(this sample)

  
Delivery method
Distributed via web download

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