MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c
SHA3-384 hash: f9c5fbd99568139705b0d82a5bfa79676f6a56fb2b465c346400e2b60fc58e32b3b5086926e3cdf76ac5943650cf2d00
SHA1 hash: 229884f96f08804a4b2eb18be199782192ed055b
MD5 hash: 82639baa3b2a8f06d4674d3d098a7026
humanhash: cat-foxtrot-spring-arkansas
File name:executor.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:112'108 bytes
First seen:2025-11-08 12:10:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7wnPf4A8WeSx4XJ5Jq3IRFZkXlSUNaOSbeSRsf7sEVRpF4LCapyO+XfDgARi+2uR:cfjF0BRz7iXRL4LCapk2uHCLz6PdLF
TLSH T1D4B33B87F8C14A11C5D612BEFA1E218D332357A8E3DE32129E665F2133875AB0F77649
telfhash t139f0c040cb0013d86bd23a08c7ca7015cb6c38ca361948e0e3f9bf064c679cd350b919
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a28b450262545d5439f53da00e62f691b9298bbb0c7ca36395b24f643af54e80
File size (compressed) :48'836 bytes
File size (de-compressed) :112'108 bytes
Format:linux/arm
Packed file: a28b450262545d5439f53da00e62f691b9298bbb0c7ca36395b24f643af54e80

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/690f3360f6e846549f3910e3/reports/7c955aa4-e4ba-4f62-bb11-2504fe074d1f/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/cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c
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:
2025-11-08T10:56:00Z UTC
Last seen:
2025-11-09T01:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/79b80a3b-8c5e-4258-85d6-e9065057225e
Behavior Graph:
Download SVG
%3 guuid=b74fcf1f-1800-0000-98cb-5393e1090000 pid=2529 /usr/bin/sudo guuid=187c0522-1800-0000-98cb-5393e6090000 pid=2534 /tmp/sample.bin guuid=b74fcf1f-1800-0000-98cb-5393e1090000 pid=2529->guuid=187c0522-1800-0000-98cb-5393e6090000 pid=2534 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1810515
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 12:11:13 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=z4p5xwnfcginlpyocv3gz3a6ajnzsl4zoamjwvlwghy2c6mo6uoa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251108-pcpkbabw4c/
Malware Config
C2 Extraction:
windyy.qzz.io
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6aca0900-1dbe-42c7-9db2-1efbb71e22c2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 a28b450262545d5439f53da00e62f691b9298bbb0c7ca36395b24f643af54e80

Mirai

elf cf1fdbd9a51190d5bf0e15766cec1e025b992f9970189b557631f1a1798ef51c

(this sample)

  
Dropped by
SHA256 a28b450262545d5439f53da00e62f691b9298bbb0c7ca36395b24f643af54e80
  
Dropped by
MD5 7a2b4f95bab2e8cd80d671a734f69b5a
  
URLhaus
https://urlhaus.abuse.ch/url/3688229/
  
Delivery method
Distributed via web download

Comments