MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd
SHA3-384 hash: 53069dc618f59f10f2add5b6dd666f3e145502ee3c7cb11d5f1c8c342de154875f11af8e54dcc172a126670d8f0c7697
SHA1 hash: 94dccebf4ea31900a3a243bbd4ee23fde8b8b8d4
MD5 hash: 47c1e87ab9ddeb2336354cea1763fb05
humanhash: five-december-oscar-yankee
File name:jklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:56'296 bytes
First seen:2025-03-03 21:47:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:XGj+Ecgow+N0Pd1C5br/ogRqcHeoBRbvvoTlhya5NPSFt5bVr2bN150SV75ep/FL:pgz+N1/o+BHeoBtMhya5F6t5xA5DV1k
TLSH T1D4430695B8928A12C5E422BBFB1E419C372263FCD1DE7207DD212F51778A81F0EB7A51
telfhash t1b231c0b64ed60bdc5be4c39059cf61755abc35b80b00355e8f69ab1b42e78c2721ec27
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 :
123
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c62451c668b65489bec9e8linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67c623693c5f644bd941115a/reports/a6098b31-071f-4b4c-84d5-c428bdbc8124/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
54
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/62d10425-6e7b-4a41-a849-ff606dc2544b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1628556
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1628556 Sample: jklarm5.elf Startdate: 03/03/2025 Architecture: LINUX Score: 52 18 serisbot.geek. [malformed] 2->18 20 32.35.158.212 WORLDNET5-10US United States 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 jklarm5.elf 2->8         started        signatures3 26 Sends malformed DNS queries 18->26 process4 process5 10 jklarm5.elf 8->10         started        process6 12 jklarm5.elf 10->12         started        14 jklarm5.elf 10->14         started        16 jklarm5.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 21:48:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zx4iwrakbyi2rvst6ad57jthlrsz2nzhtfbtdk6pfnbtouk7x7oq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250303-1nby5szqy8/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (181411) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/10dbcd87-ae57-4d86-ba5d-51f07e08ee15
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/cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 cdf88b440a0e11a8d653f007dfa6675c659d3727994331abcf2b4337515fbfdd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3423982/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422940/
  
URLhaus
https://urlhaus.abuse.ch/url/3424010/
  
URLhaus
https://urlhaus.abuse.ch/url/3422976/
  
URLhaus
https://urlhaus.abuse.ch/url/3424042/
  
URLhaus
https://urlhaus.abuse.ch/url/3422930/

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