MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c
SHA3-384 hash: 362e0279ac4f1ac50ace587e253ea4ed39300f565a58c723739a10a217ad34f186a42b881678a44ea431beed064090ac
SHA1 hash: ac7884ec40e2c57ab6ea0d44ba6a54ad541d0a66
MD5 hash: 24e8c763975eaeed9695093dc8fec763
humanhash: cup-golf-virginia-hamper
File name:skid.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:104'252 bytes
First seen:2025-09-13 21:27:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:21dMt1INsDYz862uAD0acXairw9ufsbGoRy7cf:21dMt1INsUz32FD0acXairwOs9D
TLSH T196A3175AFC819F11D5C526BAFE4F118A33531B6CE3EE7202DD245B2467CAA5B0E7B402
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expand lolbin masquerade rust
Link:
https://www.filescan.io/uploads/68c5e1ffdbc6f5a29c43a46d/reports/d0b2349d-b6db-4e47-ad6c-f032ae4c99fa/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-13T17:49:00Z UTC
Last seen:
2025-09-13T17:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0fe5adef-3a51-43b6-a6e6-200acfff968b
Behavior Graph:
Download SVG
%3 guuid=0be32c11-1900-0000-6ea5-995f51130000 pid=4945 /usr/bin/sudo guuid=27ef2613-1900-0000-6ea5-995f5a130000 pid=4954 /tmp/sample.bin guuid=0be32c11-1900-0000-6ea5-995f51130000 pid=4945->guuid=27ef2613-1900-0000-6ea5-995f5a130000 pid=4954 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3fffa155-5e0f-4c31-aaef-b8073ea9e5ec
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1777102
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-13 21:28:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wo3cd6s76vycuxsefyc7ktfapuxsro4ux3ky4pl22zljv4yq64wa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250913-1be52avqz3/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/99c75f2e-4d51-4c08-9fe9-3b827756e1aa
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/b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 b3b621fa5ff5702a5e442e05f54ca07d2f28bb94bed58e3d7ad6569af310f72c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3619383/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3620082/
  
URLhaus
https://urlhaus.abuse.ch/url/3620081/

Comments