MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 238d20dec57b10942f17d6b808a087e23184559deb87b2e5af87ba63ce43b569. 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 4 File information Comments

SHA256 hash: 238d20dec57b10942f17d6b808a087e23184559deb87b2e5af87ba63ce43b569
SHA3-384 hash: b47c50f9b727f83aea555bc3119f5a393f5bccab7024d425b5437a44f3d24f6a8b73a437c9a3f316adb6e83a955ebfeb
SHA1 hash: 8b1ba358af9380a0ecedf306e79a795987cf5648
MD5 hash: cc39c51f591b1dd566a8607ba2a5dc94
humanhash: jig-nine-fish-nuts
File name:sh4
Download: download sample
Signature Mirai
File size:43'176 bytes
First seen:2025-08-16 20:05:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:YpCcL3AsmitoED+KfVKj7UgZboFu2diJChDAK2LeVjPhuWzKvo1NIKenKtvI7IUZ:UC7smiTDnctGuHChLqeV1uZzUJoaW9C
TLSH T175137DA3C83A5C69D22965B4F9218F7D6B13E55AE1932DE5D127C632C407E8CF81C3B8
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 :
85
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
botnet mirai packed
Status:
terminated
Behavior Graph:
%3 guuid=dc67c42d-2800-0000-139c-eeea2e0b0000 pid=2862 /usr/bin/sudo guuid=aa50772f-2800-0000-139c-eeea340b0000 pid=2868 /tmp/sample.bin guuid=dc67c42d-2800-0000-139c-eeea2e0b0000 pid=2862->guuid=aa50772f-2800-0000-139c-eeea340b0000 pid=2868 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758476 Sample: sh4.elf Startdate: 16/08/2025 Architecture: LINUX Score: 88 22 208.115.121.87, 23 WOWUS United States 2->22 24 198.150.168.1 WISCNET1-ASUS United States 2->24 26 98 other IPs or domains 2->26 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 2 other signatures 2->36 8 sh4.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 38 Sample deletes itself 8->38 40 Sample reads /proc/mounts (often used for finding a writable filesystem) 8->40 15 sh4.elf 8->15         started        process6 process7 17 sh4.elf 15->17         started        20 sh4.elf 15->20         started        signatures8 28 Sample tries to access files in /etc/config/ (typical for OpenWRT routers) 17->28
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-08-16 06:04:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
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_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 238d20dec57b10942f17d6b808a087e23184559deb87b2e5af87ba63ce43b569

(this sample)

  
Delivery method
Distributed via web download

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