MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1
SHA3-384 hash: 6ded6dae9b5cdb1396a5c722733be4011a2169df1a5fd2c3f974c029efbc606a66ddbf0fdb85f1b5cfe7eb55cfeca589
SHA1 hash: 9206f3d87e3999455311e15d3ff8c4e674650b8d
MD5 hash: 407d4330002de8e1a210f9cca358033e
humanhash: crazy-king-timing-equal
File name:mirai.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:174'804 bytes
First seen:2025-12-28 07:24:45 UTC
Last seen:2025-12-28 18:10:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:T8CJPDJ2BJxOusLeM0ItSP5oiNKEYzVcLP:TpGJxOukeM0ItQKizYzVcLP
TLSH T1CA041A01B71C0943E2632EF0363B57E0D3EFD69221A4F648790FAA8991B1E375986DDD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Trojan.Mirai-10012200-0
Create hunting rule

Unix.Trojan.Mirai-10012671-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai
Link:
https://www.filescan.io/uploads/6950db5ee126b9ff4393be45/reports/354f3467-6d57-49fe-bd9c-3d53bf19f2f0/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-28T06:00:00Z UTC
Last seen:
2025-12-28T06:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e0af437a-f58a-435b-b23b-91be9cb252e4
Behavior Graph:
Download SVG
%3 guuid=dd1c42ce-1a00-0000-ab91-5f04fc0a0000 pid=2812 /usr/bin/sudo guuid=0e4a1ed0-1a00-0000-ab91-5f04000b0000 pid=2816 /tmp/sample.bin guuid=dd1c42ce-1a00-0000-ab91-5f04fc0a0000 pid=2812->guuid=0e4a1ed0-1a00-0000-ab91-5f04000b0000 pid=2816 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3bcda8d3-9d4e-463d-9400-86617416c6c1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1840715
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840715 Sample: mirai.ppc.elf Startdate: 28/12/2025 Architecture: LINUX Score: 100 46 169.254.169.254, 80 USDOSUS Reserved 2->46 48 86.54.42.154, 37358, 37360, 37362 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 2->48 50 4 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 2 other signatures 2->58 10 mirai.ppc.elf 2->10         started        12 systemd .sh 2->12         started        14 systemd snapd-env-generator 2->14         started        16 15 other processes 2->16 signatures3 process4 process5 18 mirai.ppc.elf 10->18         started        20 .sh 12->20         started        process6 22 mirai.ppc.elf 18->22         started        26 .sh 20->26         started        file7 44 /usr/bin/.sh, ELF 22->44 dropped 60 Drops invisible ELF files 22->60 62 Drops files in suspicious directories 22->62 64 Sample deletes itself 22->64 28 mirai.ppc.elf sh 22->28         started        30 mirai.ppc.elf sh 22->30         started        32 mirai.ppc.elf sh 22->32         started        34 mirai.ppc.elf 22->34         started        signatures8 process9 process10 36 sh systemctl 28->36         started        38 sh systemctl 30->38         started        40 sh systemctl 32->40         started        42 mirai.ppc.elf 34->42         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 07:25:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cmojwqefxb4lzyxs2aoewuffccmq6rvsgcun5rgtoxghaijx7wyq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251228-h84ksasqcj/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9940367-0
YARA:
n/a
Link:
https://app.threat.zone/submission/79bd2a48-d757-46a5-9bc5-73273d40a06f
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/131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
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 131c9b4085b878bce2f2d01c4b50a510990f46b230a8dec4d375cc702137fdb1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735506/
  
Delivery method
Distributed via web download

Comments