MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456
SHA3-384 hash: 6a9c8e190ac38d8a1cc6de61d4201ea2d15ffa8c12569b65467e3d1674b641e458e1aa5896a535be1d04b9e828679437
SHA1 hash: 893360f38489129c5710a4ade183c07f1b921cf0
MD5 hash: 4ba479c979607daed65e8755573f7499
humanhash: sierra-william-helium-speaker
File name:b4
Download: download sample
Signature Mirai
Create hunting rule
File size:134'696 bytes
First seen:2025-02-21 03:12:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:u91drRfQjDlhG9AjGkaV8wFEQURrksxH:ARojDlhwOcEQr8H
TLSH T175D3F549F9246B2CC7F166FFF61812CE733B0BA9B3DA31229E32061537C9B1A5935164
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10010431-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b7efd728ab76d43a5c3552linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Collects information on the network activity
Receives data from a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/67b7ef4752e8f36615518cb2/reports/9ec188f0-851c-4275-8b4d-c482a4b2df5c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456
Behaviour
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/5c192933-2136-4691-93e6-cb1610514913
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1620613
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1620613 Sample: b4.elf Startdate: 21/02/2025 Architecture: LINUX Score: 52 31 1.1.1.1, 48273, 53 CLOUDFLARENETUS Australia 2->31 33 5.231.70.214, 1252, 57082 ASGHOSTNETDE Germany 2->33 35 Multi AV Scanner detection for submitted file 2->35 9 b4.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 5 other processes 2->16 signatures3 process4 signatures5 39 Sample tries to kill multiple processes (SIGKILL) 9->39 18 b4.elf 9->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 process7 22 b4.elf 18->22         started        process8 24 b4.elf 22->24         started        27 b4.elf 22->27         started        29 b4.elf 22->29         started        signatures9 37 Sample tries to kill multiple processes (SIGKILL) 24->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-21 03:13:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4e43ntcfjexthvy5kdzj7yd2y2qme5yzpgkcyridnyswwyrurla._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/250221-dqscks1ncv/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2ce827d2-4f02-4f95-ba5a-e475bab79c6b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
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 cf09cdb6622a49799eb8ea8794ff03d6350613b8cbcca162281b712b5b11a456

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3445175/
  
Delivery method
Distributed via web download

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