MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee
SHA3-384 hash: b4f6e5f31bb958c046a2184286fddb4b51b9698caaf22abec315fb053df65ed330eb4be3ac57d808c4462f35214e3e48
SHA1 hash: e9348018eba534e827e006f890d62cfc5db47301
MD5 hash: 223faf49933bd725a279570ff0463f10
humanhash: pennsylvania-twenty-oklahoma-nineteen
File name:pmips
Download: download sample
Signature Mirai
Create hunting rule
File size:61'628 bytes
First seen:2026-02-26 14:51:14 UTC
Last seen:2026-02-26 15:35:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:dEEDL/Wilr7lgPy5a2awsiqvThQIGDyD1VJuND:dEExl3lgPb2aXGDa1VQl
TLSH T1AA5301B51701A378D5BED4BD32694FD83FE52316A685AC5DB6CED047E58C2B0A8038CB
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :61'628 bytes
File size (de-compressed) :202'532 bytes
Format:linux/mips
Unpacked file: 1ffa6ba5fbacdc2e0dea3adb418dcc6780189e1a228a4663dfc8a93c145ba6b2

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7b7a5fd1-389b-4276-89ec-e7edb27f0502/
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/69a05de597feb4afd65cf80a/reports/d18d4e80-2649-4e6a-96e9-79719d30fcd3/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/87f784de-1381-4331-ba22-07928f0ae89b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-02-26 14:52:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4ntzdj7udejywfpbz7ur3o5dwgca26qali2zsyk6vaknyusdpxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260226-r8wdvaf16h/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
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/cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee

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: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 cf1b3c8d3fa0c89c58af0e7f48eddd1d8c206bd002d1accb0af540a6e2921bee

(this sample)

Mirai

elf 1ffa6ba5fbacdc2e0dea3adb418dcc6780189e1a228a4663dfc8a93c145ba6b2

  
URLhaus
https://urlhaus.abuse.ch/url/3759565/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1ffa6ba5fbacdc2e0dea3adb418dcc6780189e1a228a4663dfc8a93c145ba6b2
  
Dropping
MD5 eac04709e4c629bec0e03ef1709fc005

Comments