MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bb9e997971fe389bcc79013fdee8225c033286b7412cb1387e836fda3bdb123. 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 18 File information Comments

SHA256 hash: 3bb9e997971fe389bcc79013fdee8225c033286b7412cb1387e836fda3bdb123
SHA3-384 hash: 0c1603710a2b34996d9c8d210e02f57850132ba2a61dd0f826791473cd3176706ddea068f41d4829c643ebc82b6a4842
SHA1 hash: a09fa3755853ccf0b7fa0b961e1fab3e457c0fbd
MD5 hash: 6d8596970a0e3a5076632c3df3321dd4
humanhash: california-four-autumn-cola
File name:debug
Download: download sample
Signature Mirai
File size:103'700 bytes
First seen:2025-10-29 15:10:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:R9v7C/nPFq4uNv92L1AP61ix4dK/NNmC4SsQeHJ1xw7/l77fKG3SslCYzBz:7eFq0Zk61ixmyVfsvHJ7wrh71lCoBz
TLSH T193A36CD5F243D0F6DC2605342176FF375D72E5B92328DAC3D7E88A76AC21A41D81AA8C
telfhash t16b31f5f8167618d8a7c0ad02f24e5720ad0d6b77685077f34ab34534726ad8253bfc39
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 6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171
File size (compressed) :47'000 bytes
File size (de-compressed) :103'700 bytes
Format:linux/i386
Packed file: 6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171

Intelligence


File Origin
# of uploads :
1
# of downloads :
30
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
DNS request
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:
2025-08-15T15:01:00Z UTC
Last seen:
2025-08-15T15:22:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=46a33f39-1a00-0000-ca49-7a3fd70a0000 pid=2775 /usr/bin/sudo guuid=6eb5253b-1a00-0000-ca49-7a3fda0a0000 pid=2778 /tmp/sample.bin net send-data guuid=46a33f39-1a00-0000-ca49-7a3fd70a0000 pid=2775->guuid=6eb5253b-1a00-0000-ca49-7a3fda0a0000 pid=2778 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6eb5253b-1a00-0000-ca49-7a3fda0a0000 pid=2778->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 800B abbcd4ba-5c74-5982-a206-376b5358ab28 5.180.82.94:80 guuid=6eb5253b-1a00-0000-ca49-7a3fda0a0000 pid=2778->abbcd4ba-5c74-5982-a206-376b5358ab28 send: 2B guuid=6284ee76-1a00-0000-ca49-7a3f580b0000 pid=2904 /tmp/sample.bin dns net send-data guuid=6eb5253b-1a00-0000-ca49-7a3fda0a0000 pid=2778->guuid=6284ee76-1a00-0000-ca49-7a3f580b0000 pid=2904 clone guuid=8e659aa3-1b00-0000-ca49-7a3f400d0000 pid=3392 /tmp/sample.bin guuid=6eb5253b-1a00-0000-ca49-7a3fda0a0000 pid=2778->guuid=8e659aa3-1b00-0000-ca49-7a3f400d0000 pid=3392 clone guuid=6284ee76-1a00-0000-ca49-7a3f580b0000 pid=2904->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 192B 9022a8bf-b821-5d3c-aad7-93e51558d51a s3ov8.ddns.net:12121 guuid=6284ee76-1a00-0000-ca49-7a3f580b0000 pid=2904->9022a8bf-b821-5d3c-aad7-93e51558d51a send: 4B guuid=a839f576-1a00-0000-ca49-7a3f590b0000 pid=2905 /tmp/sample.bin guuid=6284ee76-1a00-0000-ca49-7a3f580b0000 pid=2904->guuid=a839f576-1a00-0000-ca49-7a3f590b0000 pid=2905 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 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
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804810 Sample: debug.elf Startdate: 30/10/2025 Architecture: LINUX Score: 76 18 s3ov8.ddns.net 2->18 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 3 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 32 Uses dynamic DNS services 18->32 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 15:51:02 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:
s3ov8.ddns.net
Verdict:
Unknown
Tags:
trojan mirai gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c 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 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_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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 3bb9e997971fe389bcc79013fdee8225c033286b7412cb1387e836fda3bdb123

(this sample)

  
Delivery method
Distributed via web download

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