MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 643804b7f5a8b60bd623ae0b80be926400304cb778af8ce4ad811ad84b9cb545. 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 19 File information Comments

SHA256 hash: 643804b7f5a8b60bd623ae0b80be926400304cb778af8ce4ad811ad84b9cb545
SHA3-384 hash: 8d987a0ee5d43e5eef790bb6a7f36f4bed24877cf45062cca23c056331b548a2b0e7306e40ecf10cb739da4f2c5c72c7
SHA1 hash: da6577320b1ad2078ff7f22d0369867f57afbc51
MD5 hash: eec167d1d2f3cf4283d591405c90d1b2
humanhash: avocado-neptune-lactose-sixteen
File name:debug
Download: download sample
Signature Mirai
File size:108'016 bytes
First seen:2025-12-04 00:19:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:CIIV/zigV7fnQLAMiCJp9r5ThAUBrVcsvhzPmBL:CRV/ziE7vEiCf9jMGzPmBL
TLSH T173B35CD5F643E4F9DC5211342172FB375EB2E1BE2318DA87D7F89A32AC21582C509A9C
telfhash t10e3106f9167a5ce89bc04803b14fdb32dc0d67bb142476e315f69815325284243bfd39
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 93abcaa7135e3f3f1bb5ae7567bb9c44eae6309d10d83d29017564aab0cff191
File size (compressed) :45'440 bytes
File size (de-compressed) :108'016 bytes
Format:linux/i386
Packed file: 93abcaa7135e3f3f1bb5ae7567bb9c44eae6309d10d83d29017564aab0cff191

Intelligence


File Origin
# of uploads :
1
# of downloads :
25
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Deleting a recently created file
Sends data to a server
Removes directories
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825985 Sample: debug.elf Startdate: 04/12/2025 Architecture: LINUX Score: 84 22 b3ry.bounceme.net 41.216.189.185, 12121, 49646 AS40676US South Africa 2->22 24 daisy.ubuntu.com 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 7 debug.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 6 other processes 2->13 signatures3 process4 process5 15 debug.elf 7->15         started        18 debug.elf 7->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 9->20         started        signatures6 34 Manipulation of devices in /dev 15->34 36 Deletes system log files 15->36 38 Sample tries to kill multiple processes (SIGKILL) 18->38
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-04 00:20:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Malware Config
C2 Extraction:
b3ry.bounceme.net
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
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_Gafgyt_ea92cca8
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 643804b7f5a8b60bd623ae0b80be926400304cb778af8ce4ad811ad84b9cb545

(this sample)

  
Delivery method
Distributed via web download

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