MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21b4a735e87583c44568f174417157a8ea865c8ade97fe64b7dff6e25b2d66ad. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21b4a735e87583c44568f174417157a8ea865c8ade97fe64b7dff6e25b2d66ad
SHA3-384 hash: 31784980f9fb0f49bb67e8808122e9c9b14bba94ee23361e2eff57a756f467952b1ebd6f0d3b8c371c38e845800aff00
SHA1 hash: 7694fdc2ab6dff8dc983914477e314e988800277
MD5 hash: 2ecec64f113a0c095a618ede377268ea
humanhash: texas-island-jersey-september
File name:bot.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:179'797 bytes
First seen:2024-04-30 01:59:38 UTC
Last seen:2024-05-07 06:34:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:nS/NsONjljbAmfkwajoVSyckt3LHS0BpNC/hJjogM/RXdjbhl:nS/TljlcwajoVS7ktJBfC/XMgM/RXdjX
TLSH T1ED042A46EA404B13C0D627B5F6DF42453333AB9497EB73069628ABF43F8679A4F22905
telfhash t18c3112a19679512a5da1ec68edda57b2501a56172350bf33df21c0cc380a44ff527c0f
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
22
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Deletes a system binary file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin masquerade remote
Link:
https://www.filescan.io/uploads/663050a454bafb7d21e6b51b/reports/78ac765d-a19f-4b08-ac8d-d091a7033f1a/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/410494db-9d1b-4e44-8d1e-4599b1cd0030
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433794
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21b4a735e87583c44568f174417157a8ea865c8ade97fe64b7dff6e25b2d66ad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21b4a735e87583c44568f174417157a8ea865c8ade97fe64b7dff6e25b2d66ad/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 21:47:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eg2konpiowb4irli6f2ec4kxvdvimxek32l74zfx373oewznm2wq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/240430-cezrvahb85/
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/21b4a735e87583c44568f174417157a8ea865c8ade97fe64b7dff6e25b2d66ad

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 21b4a735e87583c44568f174417157a8ea865c8ade97fe64b7dff6e25b2d66ad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2832059/
  
Delivery method
Distributed via web download

Comments