MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796
SHA3-384 hash: 6dd5aab70b8993024c9daeb4d2f6175d9e63d8cc2322beb7b0ff6f8f7d9d612373bad3c2d24d8670763589253f0fe29f
SHA1 hash: 0870355a7d540ef0e0452be7eca7dc64c61ba59a
MD5 hash: b9a380d37bddbdaacfa479cfc52e60a2
humanhash: east-edward-jersey-bluebird
File name:kt1
Download: download sample
Signature Mirai
Create hunting rule
File size:32'184 bytes
First seen:2025-05-09 05:34:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:eJrEAJPwNULY5dR/SADSt7k6TV0PLnbcuyD7UB83ATJthUi:eJwYPFL2dNSt7k6TILnouy8B8Mh
TLSH T19EE2E10EB6CE85D6E46E71726C3E7F0514B0E42DAE0658C63EC8B52E12517983DBE4C7
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 :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681d941791991ead82b65e08linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Kills processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/681d93d10b64e174c41f0c81/reports/c5bddaa9-7eae-4903-b25f-652781eb8e57/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/267d5983-9712-4ca1-89f8-7cedff9337fb
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1685083
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1685083 Sample: kt1.elf Startdate: 09/05/2025 Architecture: LINUX Score: 68 18 Malicious sample detected (through community Yara rule) 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Yara detected Mirai 2->22 24 Sample is packed with UPX 2->24 8 kt1.elf 2->8         started        process3 process4 10 kt1.elf 8->10         started        process5 12 kt1.elf 10->12         started        14 kt1.elf 10->14         started        process6 16 kt1.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-09 05:35:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zd5qnxmp4el2sszb5ah52jigjejq3pbpzcom47ssvavcanqoi6la._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit upx
Link:
https://tria.ge/reports/250509-f9g23aak7z/
Behaviour
Writes file to tmp directory
Loads a kernel module
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/71af5cc7-d217-4f31-b31d-1f5b7f648bd6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf c8fb06dd8fe117a94b21e80fdd250649130dbc2fc89cce7e52a82a20360e4796

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531148/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532680/

Comments