MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa
SHA3-384 hash: a07a5aef9132c65d4fd62a1249fe9506d0febd07da2c34631bf84f8b4e1f1c4fe77d907281b165868cc6171cb7fa3f4d
SHA1 hash: cfcf21c1c8c6e60897375951366f54dccc08088d
MD5 hash: 19504cd75e5b32d06acebbaf4637e05f
humanhash: july-bulldog-grey-alanine
File name:executor.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:150'688 bytes
First seen:2025-11-26 10:38:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:MWlbBePnee0PIGp2djMQEuYaEREYWaCxzDz1:MWxpfAjMQI8BacDz1
TLSH T181E36C22C965AE98C624C575F021FE791B539E5685875FFA1AABCB308043DCCFE053B8
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 :
148
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
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.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Generic-9910198-0
Create hunting rule

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

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10042712-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-26T07:47:00Z UTC
Last seen:
2025-11-26T14:31:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2e6c3a7f-c8d3-49f8-a5d1-5253e02d1ad4
Behavior Graph:
Download SVG
%3 guuid=8c5b9757-1b00-0000-8cb9-4b9cfa080000 pid=2298 /usr/bin/sudo guuid=7d0ae059-1b00-0000-8cb9-4b9cfb080000 pid=2299 /tmp/sample.bin guuid=8c5b9757-1b00-0000-8cb9-4b9cfa080000 pid=2298->guuid=7d0ae059-1b00-0000-8cb9-4b9cfb080000 pid=2299 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4af1bed9-3f03-42ad-86d1-6d0480c0eaaf
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1821051
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821051 Sample: executor.sh4.elf Startdate: 26/11/2025 Architecture: LINUX Score: 64 26 143.20.185.245, 51584, 51586, 6769 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 3 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Gafgyt 2->36 8 executor.sh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 executor.sh4.elf 8->16         started        18 executor.sh4.elf 8->18         started        20 executor.sh4.elf 8->20         started        process6 22 executor.sh4.elf 16->22         started        24 executor.sh4.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-26 10:39:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qesspoiepg6jmuq72gxygd2q6qr4uk55eqsqgkxgm6mq2ngnct5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251126-mp52qaxre1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fedddb27-e0e8-4294-9eeb-16c3499b150e
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/812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 812527b90479bc96521fd1af830f50f423ca2bbd2425032ae667990d34cd14fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3717096/
  
Delivery method
Distributed via web download

Comments