MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c25920ef4e99f24a7ad1b3761a7a59e4a421344eda060c6c1a7c643af88d3d5. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 2c25920ef4e99f24a7ad1b3761a7a59e4a421344eda060c6c1a7c643af88d3d5
SHA3-384 hash: 0bab1243f8e382e1d7239e25631177d1bdcab737d50613c68551a4353421b265ec504567dd5cc917e2fc055350f83da0
SHA1 hash: 2d630a18fa1806ee50fd3403b14c225abf8e9b57
MD5 hash: f28f406e5a1c990b6df621c3a3119107
humanhash: diet-tennessee-purple-seven
File name:nabsh4
Download: download sample
Signature Mirai
File size:67'308 bytes
First seen:2025-12-17 18:56:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:KqMNxVV+2knU1I5DyKkH6b1UbCHVIiB3YInRbVRQM:f2s2r1eD1kqUbs5BoInRoM
TLSH T1B363AE72C9A46E51C98C51F470B18F7A5B23A400938B2FFB146ADA794003D9CFA8D7F8
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T19:45:00Z UTC
Last seen:
2025-12-17T20:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c4ace7c8-1700-0000-dfe0-1f5f1a0e0000 pid=3610 /usr/bin/sudo guuid=2b7a5ecb-1700-0000-dfe0-1f5f1b0e0000 pid=3611 /tmp/sample.bin guuid=c4ace7c8-1700-0000-dfe0-1f5f1a0e0000 pid=3610->guuid=2b7a5ecb-1700-0000-dfe0-1f5f1b0e0000 pid=3611 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Sample scans a subnet
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835175 Sample: nabsh4.elf Startdate: 17/12/2025 Architecture: LINUX Score: 64 24 183.136.255.129, 23 CT-HANGZHOU-IDCNo288Fu-chunRoadCN China 2->24 26 183.136.255.130, 23 CT-HANGZHOU-IDCNo288Fu-chunRoadCN China 2->26 28 100 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Connects to many IPs within the same subnet mask (likely port scanning) 2->34 36 Sample scans a subnet 2->36 8 dash rm nabsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 nabsh4.elf 8->16         started        process6 18 nabsh4.elf 16->18         started        20 nabsh4.elf 16->20         started        22 nabsh4.elf 16->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-17 18:57:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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: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 2c25920ef4e99f24a7ad1b3761a7a59e4a421344eda060c6c1a7c643af88d3d5

(this sample)

  
Delivery method
Distributed via web download

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