MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349
SHA3-384 hash: f00263cf90b03db7b1bc197fde4039f88fee7298cc9c20b81e74ae8092f09aa8c4f03f29ddccdf2543be658dfe3fb8f0
SHA1 hash: 649fbdf62a7b6a613b045db6686382af1ff3f7f0
MD5 hash: f99df45565e50431c13e49c089eb88b2
humanhash: vermont-burger-pennsylvania-violet
File name:nwfaiehg4ewijfgriehgirehaughrarg.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:41'876 bytes
First seen:2025-11-05 05:12:29 UTC
Last seen:2025-11-07 23:30:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:UObobL5OXRR5vQtqTu0Ny91Gd7C6YIIn0NwWl147B0q13QYkAXPBv4xwJxx0KN:XobERRtS0+c7C6YICQexlu4vCkPN
TLSH T19913F1D34237F5F8E45F60B60067E194F86329570B8A637311DA80EA9C6DD833767A60
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
File size (compressed) :41'876 bytes
File size (de-compressed) :85'728 bytes
Format:linux/amd64
Unpacked file: 9b34712f6718ef50f305aae802f375353c6e8e9fe554022b6d1d44c73c6b8589

Intelligence

File Origin
# of uploads :
2
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai packed upx
Link:
https://www.filescan.io/uploads/690add8c393eed3f38e406b6/reports/a5f8a770-77b5-4cd0-aa5b-56b0d818762e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-04T17:06:00Z UTC
Last seen:
2025-11-07T00:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/afec2166-7565-4cc1-bd5a-b4d6d758fd5f
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1808301
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-04 22:31:05 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7xfzcmm3l3lqdueezbnpj3b4oly56k4jbjcyjd47ivx5vfcaneq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251105-fxtv4aes8d/
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
jhfhfdkhdfdk32.duckdns.org
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/add9da1f-7971-4815-9005-d23a371a6d6d
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/cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349

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 cfee5c898cdaf6b80e842642d7a761e3978ef95c48522c247cfa2b7ed4a20349

(this sample)

Mirai

elf 9b34712f6718ef50f305aae802f375353c6e8e9fe554022b6d1d44c73c6b8589

  
URLhaus
https://urlhaus.abuse.ch/url/3696797/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3696817/
  
Dropping
SHA256 9b34712f6718ef50f305aae802f375353c6e8e9fe554022b6d1d44c73c6b8589
  
Dropping
MD5 3ca3c7d48c968f541e4b48be7731c5c3

Comments