MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfbb025d4def076bdb43faf321ede9e9ebbdb57e5e2b05a32e66167efff93125. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfbb025d4def076bdb43faf321ede9e9ebbdb57e5e2b05a32e66167efff93125
SHA3-384 hash: 298e674075bcd16df8fbeaafa0ee3abde410d6df9318d61e5194e5c0fc7a2309989ed4fdc3fcd65d5ff3a167123d4cd4
SHA1 hash: c21b0d573a3375e9abe3b3eaed827f9385e1aaa9
MD5 hash: 545db9880ac120c48ba69e86db94a40f
humanhash: uncle-high-foxtrot-delta
File name:545db9880ac120c48ba69e86db94a40f
Download: download sample
Signature Mirai
Create hunting rule
File size:61'200 bytes
First seen:2022-10-26 13:24:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:+Iy0ZSX4ltGcqbf8i0Gnr7O2xrV+RDF6Vso15cy0uiDz701T1fj7NSqtUut65aQn:4uSXG2fqGnnRxrKkVXcB8t464qH+Q2
TLSH T1C353F682BC51A629C7C04777EE6F509E3311A7DDD0EA3742DC150BA47A8AD0F0D67B4A
telfhash t119e07d00fc75875c5cd79a749ddd07b49900220250574b00cf10d6f0c83f444e308d5e
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 arm elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Trojan.Mirai-9907086-0
Create hunting rule

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/cfbb025d4def076bdb43faf321ede9e9ebbdb57e5e2b05a32e66167efff93125
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/13fca066-3e0b-45e4-ba3a-ea80c999c25a
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1098408
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cfbb025d4def076bdb43faf321ede9e9ebbdb57e5e2b05a32e66167efff93125/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 16:03:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z65qexkn54dwxw2d7lzsd3pj5hv33nl6lyvqlizomylh577zgesq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/221026-qnysssfhbn/
Malware Config
C2 Extraction:
test.sharehy.com
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/cfbb025d4def076bdb43faf321ede9e9ebbdb57e5e2b05a32e66167efff93125

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:myMirai
Create hunting rule
Description:Mirai
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf cfbb025d4def076bdb43faf321ede9e9ebbdb57e5e2b05a32e66167efff93125

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2385781/

Comments


Avatar
zbet commented on 2022-10-26 13:24:27 UTC

url : hxxp://45.138.70.19/Mddos/Mddos.arm5