MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038
SHA3-384 hash: dc7e0f0bf37a247b691b660b5db66062f5c84d917748965c3263a00a4a9a4d8cf271abdb8b5bdb2bb0424d5f06636b6e
SHA1 hash: 38e58094e3e772e2af50ddea42bc385d13ef64b3
MD5 hash: 32ee991d2465c618058028c849c12967
humanhash: timing-three-hydrogen-shade
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:80'692 bytes
First seen:2025-12-19 05:27:19 UTC
Last seen:2025-12-20 05:18:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Ej60XeuGqdFA4w2egL7/fLi6iMNbZjxwRmAeXN:Ej60XenWFALMNb9TXN
TLSH T11273F715BB504FFBDC6BDD370AA9170535CC690A22B93B397934C928F64F54B0AE3864
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 :
2
# of downloads :
61
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/fe7dbcaa-a62b-4be7-b1bd-3242c4d5c59c/
Detection(s):
Unix.Trojan.Mirai-9951087-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Mounts file systems
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6944e270e126b9ff43882efd/reports/68090a25-b0c2-4500-b0a9-3e1e245723c2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-18T23:02:00Z UTC
Last seen:
2025-12-19T03:51:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a891835a-2f94-4695-9fe2-55b1fc3624d7
Behavior Graph:
Download SVG
%3 guuid=6144570e-1600-0000-0924-6d7cf90c0000 pid=3321 /usr/bin/sudo guuid=ee48c310-1600-0000-0924-6d7cfa0c0000 pid=3322 /tmp/sample.bin guuid=6144570e-1600-0000-0924-6d7cf90c0000 pid=3321->guuid=ee48c310-1600-0000-0924-6d7cfa0c0000 pid=3322 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e7c9eec1-f7bf-4bf2-be96-08a02c56510a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1836096
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1836096 Sample: mpsl.elf Startdate: 19/12/2025 Architecture: LINUX Score: 64 22 Antivirus / Scanner detection for submitted sample 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 8 mpsl.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 2 other processes 2->14 process3 process4 16 mpsl.elf 8->16         started        process5 18 mpsl.elf 16->18         started        process6 20 mpsl.elf 18->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038/
Verdict:
Malicious
Threat:
Family.Mirai
Link:
https://tip.neiki.dev/file/b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-19 05:28:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woxwkhn7f76orapnku47zn5dg4pzj4yb5nhxvr2x22v2mps6ca4a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion
Link:
https://tria.ge/reports/251219-f5nn2shq2v/
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9951087-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f6f41764-ceb7-4e67-9cb8-cd31fc4d9f10
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/b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038

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: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 b3af651dbf2ffce881ed5539fcb7a3371f94f301eb4f7ac757d6aba63e5e1038

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3732693/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3732695/
  
URLhaus
https://urlhaus.abuse.ch/url/3732694/

Comments