MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20
SHA3-384 hash: 90be28366b37ba9f412699448b108a38904670c76ff4f41d90a01dba8a50c16c777ba147fb247d9eead4697b089d5024
SHA1 hash: 5ed2c796ddeebcb19a459b47be3a4b50f5b05686
MD5 hash: 141a7124e17792de6f15182ddd8287dd
humanhash: berlin-floor-football-mississippi
File name:miraint.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:63'164 bytes
First seen:2025-12-17 17:58:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:c17nQtj4+mAfQAdVmEkrYhD4czK3LYVMHKFW46pDkOL1I/iJocFZWua:EstspAzmBchsczK0VsKFWn/ocFZWu
TLSH T1E353F946FC818A02C9C513B6F92E118E33136378E2DF72529E106F6477CA96F0E7B956
telfhash t12a11b192df8c5adc87d0424885ad411deee439fc6656b358ee1e6b4b0a12cd035a8436
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 :
35
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/25049d08-f74f-4cde-9af4-43c516a96314/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30419.LX.M0Z.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai rust
Link:
https://www.filescan.io/uploads/6942ef923f8fdbf8e949b8d0/reports/c09b9a2d-6e8a-4267-b379-a1fe09fd90b9/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T15:23:00Z UTC
Last seen:
2025-12-19T00:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b2e4aca0-487e-49cd-9e0a-1e6854a189ec
Behavior Graph:
Download SVG
%3 guuid=2f2f768c-1900-0000-612c-355ab00c0000 pid=3248 /usr/bin/sudo guuid=e05a488e-1900-0000-612c-355ab40c0000 pid=3252 /tmp/sample.bin guuid=2f2f768c-1900-0000-612c-355ab00c0000 pid=3248->guuid=e05a488e-1900-0000-612c-355ab40c0000 pid=3252 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b75d1f89-d126-4a72-a754-d0122d32dc3a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1835119
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 17:50:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6o2mvsxcdvsmqeu3t3gi7uicz3njpxr5qh4wx5thaxkj72wqxyqa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/251217-wky72scv5d/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/ace14ceb-7222-4843-8e6a-ae5913fe4631
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/f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20

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_Generic_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
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:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 f3b4cacae21d64c8129b9ecc8fd102ceda97de3d81f96bf66705d49fead0be20

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735502/
  
Delivery method
Distributed via web download

Comments