MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa
SHA3-384 hash: 3a4cedc5d7f21b78be79c55d2b8adda70aaea59f5e58b375e5c3c0f2bf11b332cc819b2d90b7899d34c5a2d0b653a938
SHA1 hash: 6661689d1c840d04bff53b4c901e498bb35041eb
MD5 hash: 7cbcd9c50b0b3710ad07b67fbc8bec60
humanhash: xray-chicken-friend-happy
File name:nwfaiehg4ewijfgriehgirehaughrarg.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:41'048 bytes
First seen:2025-07-29 18:19:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:lNSU/+161u042pJjpRKZTNm+M8l1hV/CWufPqqLIb0YnroBpnbcuyD7UHQRjR:lNq1IuyD+ZyCbCWuaqUb0aenouy8Hy9
TLSH T1010302C42EF13E08C935F539AC8F2A27841496CF1B5CDBD296E47E2D6E11F660424727
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
File size (compressed) :41'048 bytes
File size (de-compressed) :79'376 bytes
Format:linux/i386
Unpacked file: a848a0705f135922cd4be3bbdbbb8e3c219506e4b0a34e130712d3aa2b7fe5a0

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0c507fb3-fe40-47fd-8ef3-92b76621809d
Behavior Graph:
Download SVG
%3 guuid=3b1e2c70-2000-0000-9dc9-668b640b0000 pid=2916 /usr/bin/sudo guuid=254da173-2000-0000-9dc9-668b690b0000 pid=2921 /tmp/sample.bin net guuid=3b1e2c70-2000-0000-9dc9-668b640b0000 pid=2916->guuid=254da173-2000-0000-9dc9-668b690b0000 pid=2921 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=254da173-2000-0000-9dc9-668b690b0000 pid=2921->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=edff7f74-2000-0000-9dc9-668b6c0b0000 pid=2924 /tmp/sample.bin guuid=254da173-2000-0000-9dc9-668b690b0000 pid=2921->guuid=edff7f74-2000-0000-9dc9-668b6c0b0000 pid=2924 clone guuid=b7698a74-2000-0000-9dc9-668b6d0b0000 pid=2925 /tmp/sample.bin write-config zombie guuid=edff7f74-2000-0000-9dc9-668b6c0b0000 pid=2924->guuid=b7698a74-2000-0000-9dc9-668b6d0b0000 pid=2925 clone guuid=51335978-2000-0000-9dc9-668b760b0000 pid=2934 /usr/bin/dash guuid=b7698a74-2000-0000-9dc9-668b6d0b0000 pid=2925->guuid=51335978-2000-0000-9dc9-668b760b0000 pid=2934 execve guuid=e181997a-2000-0000-9dc9-668b7e0b0000 pid=2942 /tmp/sample.bin delete-file dns net send-data guuid=b7698a74-2000-0000-9dc9-668b6d0b0000 pid=2925->guuid=e181997a-2000-0000-9dc9-668b7e0b0000 pid=2942 clone guuid=d4748478-2000-0000-9dc9-668b770b0000 pid=2935 /usr/bin/cp guuid=51335978-2000-0000-9dc9-668b760b0000 pid=2934->guuid=d4748478-2000-0000-9dc9-668b770b0000 pid=2935 execve guuid=e181997a-2000-0000-9dc9-668b7e0b0000 pid=2942->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B 4382d562-4579-56a3-9ac9-8534c701e566 test.galaxias.cc:12121 guuid=e181997a-2000-0000-9dc9-668b7e0b0000 pid=2942->4382d562-4579-56a3-9ac9-8534c701e566 send: 19B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd939918-f8b0-4170-be41-8e9454d902df
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1746581
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 18:20:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4u4iol46cdbfpyv3qhrldahyfcqirdv6fbp63arbsezx6cbcx5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250729-wyjphszwfz/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes itself
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a8283361-4e8f-4205-92b6-e9aff80c15b2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
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 3729c4397cf08612bf15dc0f158c07c145044475f142ff6c110c899bf84115fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3592774/
  
Delivery method
Distributed via web download

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