MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b397447fafcfb6765017f1c7818f1ce8dcf64d63c4eb0dea04a836edb539c2b. 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 4 File information Comments

SHA256 hash: 3b397447fafcfb6765017f1c7818f1ce8dcf64d63c4eb0dea04a836edb539c2b
SHA3-384 hash: 7f654d03ecdb7811579a0ae324cf42bc5c6a4a5f85d36ec77f165a6579de24d807bcc4af58ee5f6b122690718b860214
SHA1 hash: bcf894dbf028d14faabc5abb927da727faa76235
MD5 hash: ddd0da3a06617856ebe099c241e0ef49
humanhash: papa-hamper-vermont-east
File name:morte.sh4
Download: download sample
Signature Mirai
File size:76'104 bytes
First seen:2025-09-10 10:04:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:wD+vx15bX1VinA/FhKOAwNQ1zUC8MPa/61x:wivxBcA/FoOE1zUYy6
TLSH T147739D63C82A1DA4D94885F070A0AF798763E50989571EFB68AAC779D043FCCF6493F4
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 :
101
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T07:17:00Z UTC
Last seen:
2025-09-10T07:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=37d7c259-2000-0000-d007-14fb5d090000 pid=2397 /usr/bin/sudo guuid=647b045c-2000-0000-d007-14fb61090000 pid=2401 /tmp/sample.bin guuid=37d7c259-2000-0000-d007-14fb5d090000 pid=2397->guuid=647b045c-2000-0000-d007-14fb61090000 pid=2401 execve guuid=11f8675e-2000-0000-d007-14fb67090000 pid=2407 /usr/bin/dash guuid=647b045c-2000-0000-d007-14fb61090000 pid=2401->guuid=11f8675e-2000-0000-d007-14fb67090000 pid=2407 clone guuid=3cef895e-2000-0000-d007-14fb68090000 pid=2408 /usr/bin/dash guuid=647b045c-2000-0000-d007-14fb61090000 pid=2401->guuid=3cef895e-2000-0000-d007-14fb68090000 pid=2408 clone guuid=aba5a45e-2000-0000-d007-14fb6a090000 pid=2410 /usr/bin/dash guuid=647b045c-2000-0000-d007-14fb61090000 pid=2401->guuid=aba5a45e-2000-0000-d007-14fb6a090000 pid=2410 clone
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774657 Sample: morte.sh4.elf Startdate: 10/09/2025 Architecture: LINUX Score: 84 28 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->28 30 demoon.vip 103.252.90.129, 12121 BACKBONE-ASDE Germany 2->30 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 Yara detected Xmrig cryptocurrency miner 2->42 10 morte.sh4.elf 2->10         started        signatures3 process4 signatures5 46 Found strings related to Crypto-Mining 10->46 13 morte.sh4.elf 10->13         started        process6 process7 15 morte.sh4.elf 13->15         started        file8 26 /etc/init.d/sysd, POSIX 15->26 dropped 32 Sample tries to set files in /etc globally writable 15->32 34 Drops files in suspicious directories 15->34 36 Sample tries to persist itself using System V runlevels 15->36 19 morte.sh4.elf 15->19         started        22 morte.sh4.elf sh 15->22         started        signatures9 process10 signatures11 44 Sample deletes itself 19->44 24 sh cp 22->24         started        process12
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-10 10:05:58 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
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:CP_AllMal_Detector
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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 3b397447fafcfb6765017f1c7818f1ce8dcf64d63c4eb0dea04a836edb539c2b

(this sample)

  
Delivery method
Distributed via web download

Comments