MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25136fe37bedf6ec3fbdcd17db7864dcb7106f63daa9c15501abeca2fc2f770. 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 3 File information Comments

SHA256 hash: b25136fe37bedf6ec3fbdcd17db7864dcb7106f63daa9c15501abeca2fc2f770
SHA3-384 hash: 21b5b383290c925293b6efb07a2d89ca8a501a721f60b063211dd5da9eb4baef26ae78d46aab4c72b5a2c1ae5b67a132
SHA1 hash: cd505b4418d9cebb96bd05b530a4135202d2dae0
MD5 hash: 296aa741cf1ffe02971ea2eb444f81c8
humanhash: beer-don-glucose-glucose
File name:px86
Download: download sample
Signature Mirai
File size:34'212 bytes
First seen:2025-10-13 09:55:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:L75ZlQ94CfloZ0TyVWk4shXdtqxtn6T+cx:LqNf6Z0SVXZdUtng/
TLSH T1BBE2F11BD26D176EDA985339411F870E75DA4D14BF6B93C1E8E800E284872BCFA26672
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 :
47
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-13T08:14:00Z UTC
Last seen:
2025-10-13T10:28:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=9e32f82b-1900-0000-99d3-003c3a080000 pid=2106 /usr/bin/sudo guuid=4beccc2e-1900-0000-99d3-003c3d080000 pid=2109 /tmp/sample.bin delete-file net guuid=9e32f82b-1900-0000-99d3-003c3a080000 pid=2106->guuid=4beccc2e-1900-0000-99d3-003c3d080000 pid=2109 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4beccc2e-1900-0000-99d3-003c3d080000 pid=2109->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1da8252f-1900-0000-99d3-003c3e080000 pid=2110 /tmp/sample.bin net send-data zombie guuid=4beccc2e-1900-0000-99d3-003c3d080000 pid=2109->guuid=1da8252f-1900-0000-99d3-003c3e080000 pid=2110 clone 47e85356-a44e-51b0-927a-c8fbb32c50e4 196.251.83.132:18129 guuid=1da8252f-1900-0000-99d3-003c3e080000 pid=2110->47e85356-a44e-51b0-927a-c8fbb32c50e4 send: 2B guuid=1f5d352f-1900-0000-99d3-003c3f080000 pid=2111 /tmp/sample.bin guuid=1da8252f-1900-0000-99d3-003c3e080000 pid=2110->guuid=1f5d352f-1900-0000-99d3-003c3f080000 pid=2111 clone guuid=68a3382f-1900-0000-99d3-003c40080000 pid=2112 /tmp/sample.bin guuid=1da8252f-1900-0000-99d3-003c3e080000 pid=2110->guuid=68a3382f-1900-0000-99d3-003c40080000 pid=2112 clone
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793909 Sample: px86.elf Startdate: 13/10/2025 Architecture: LINUX Score: 72 17 196.251.83.132, 18129 SONIC-WirelessZA Seychelles 2->17 19 Malicious sample detected (through community Yara rule) 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Mirai 2->23 25 Sample is packed with UPX 2->25 8 px86.elf 2->8         started        signatures3 process4 signatures5 27 Sample deletes itself 8->27 11 px86.elf 8->11         started        process6 process7 13 px86.elf 11->13         started        15 px86.elf 11->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-13 10:23:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b25136fe37bedf6ec3fbdcd17db7864dcb7106f63daa9c15501abeca2fc2f770

(this sample)

  
Delivery method
Distributed via web download

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