MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97
SHA3-384 hash: b45c75df4cbb35d41a15eb6974c801db5cc85e81a6971714c746bad0cfdcbffcd79b28d09c84484b0e3ef348b72e5a9f
SHA1 hash: efc615f0d328d181fd0c86e5279c2de21e386dde
MD5 hash: ea16eeba2f0d4906b088df772d2b017b
humanhash: two-princess-skylark-orange
File name:morte.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:81'096 bytes
First seen:2025-09-10 03:32:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:WDJr3x2PvotqaJzrZ9wKeB28TL4ybCn8VHDSmpn:Wx3xt9zrTXeHL4yb1ZGI
TLSH T14D83AEB3C92A0D28D44848F0B0A4AF3597A3E112C5972FF69996C679D08BEDCF1463F5
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 :
102
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/68c0f187a1a41633174f4d19/reports/463efb01-832b-418d-b6f6-5ed8a2f116c7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T01:38:00Z UTC
Last seen:
2025-09-10T01:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e66bd021-93e0-4426-b3fb-2204ea374a3d
Behavior Graph:
Download SVG
%3 guuid=14ccf6a8-1a00-0000-da34-dd29c40a0000 pid=2756 /usr/bin/sudo guuid=6bf139ab-1a00-0000-da34-dd29cb0a0000 pid=2763 /tmp/sample.bin guuid=14ccf6a8-1a00-0000-da34-dd29c40a0000 pid=2756->guuid=6bf139ab-1a00-0000-da34-dd29cb0a0000 pid=2763 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2ce5422d-1ea6-4516-bed4-afd272b0f791
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1774403
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774403 Sample: morte.sh4.elf Startdate: 10/09/2025 Architecture: LINUX Score: 56 29 vipcncnetwork.com 196.251.117.150, 12121, 48074, 48080 xneeloZA Seychelles 2->29 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 3 other IPs or domains 2->33 35 Multi AV Scanner detection for submitted file 2->35 10 morte.sh4.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 9 other processes 2->16 signatures3 process4 process5 18 morte.sh4.elf 10->18         started        process6 20 morte.sh4.elf 18->20         started        process7 22 morte.sh4.elf 20->22         started        process8 24 morte.sh4.elf 22->24         started        27 morte.sh4.elf 22->27         started        signatures9 37 Manipulation of devices in /dev 24->37 39 Deletes system log files 24->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-10 03:33:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhcmjxvstaqlc5v7bdy72d6kxnsmpxhckzsf6ovoaqi3g6f67slq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250910-d4gg8sck6x/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/28c27868-6dca-475f-a147-a2fcab918f86
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Create hunting rule
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 81c4c4deb29820b176bf08f1fd0fcabb64c7dce256645f3aae0411b378befc97

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618419/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3590931/
  
URLhaus
https://urlhaus.abuse.ch/url/3586693/
  
URLhaus
https://urlhaus.abuse.ch/url/3619841/
  
URLhaus
https://urlhaus.abuse.ch/url/3618361/
  
URLhaus
https://urlhaus.abuse.ch/url/3618390/

Comments