MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c831539a68f0d515b5cf43541b41674bbeb3d40ed4598f8ff51421603dcc8ddb. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c831539a68f0d515b5cf43541b41674bbeb3d40ed4598f8ff51421603dcc8ddb
SHA3-384 hash: 5e08fbf71e39a871665e86d5251cc46cce93f57daef22c1e3e7bc41944a790d3677fa4a9cc2b91d4408e82d237f726f9
SHA1 hash: 7fe16dac669ebc807bce21b726bbf6c5b9d9d9fd
MD5 hash: 6a8bd57500c289e242663e1e0df5dd68
humanhash: item-bulldog-harry-april
File name:drea4
Download: download sample
Signature Mirai
Create hunting rule
File size:158'496 bytes
First seen:2025-03-30 05:18:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ccznAOKnA516V2YGlR94TvC9PpFb2tiPQ4VCOcWTEcOiEsczRJOh4dyDoM0Y9lBb:ccznK+O2YgMOBFbXo459XjEsoAMJK/L
TLSH T15DF31945BC509B63C6D612BBFB5E428D3B2A1768D3FE32039D256F21379685B0E3B142
telfhash t166210170df9c2f2c13d584495299641d6fbd30ad126615419f3fbf8f8b519d1722c426
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 :
70
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30423.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Gafgyt-9939811-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e8d629855e5ec52409e498linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b6ee22d-fb5a-409e-9047-ce62e9dadda9
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1652064
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1652064 Sample: drea4.elf Startdate: 30/03/2025 Architecture: LINUX Score: 76 68 raw.awaken-network.net. [malformed] 2->68 70 raw.awaken-network.net 141.98.10.142, 2211, 51784, 54540 HOSTBALTICLT Lithuania 2->70 82 Multi AV Scanner detection for submitted file 2->82 10 drea4.elf 2->10         started        12 systemd gpu-manager 2->12         started        14 systemd gpu-manager 2->14         started        16 162 other processes 2->16 signatures3 84 Sends malformed DNS queries 68->84 process4 file5 20 drea4.elf 10->20         started        23 gpu-manager sh 12->23         started        25 gpu-manager sh 12->25         started        27 gpu-manager sh 12->27         started        33 5 other processes 12->33 29 gpu-manager sh 14->29         started        35 7 other processes 14->35 64 /var/log/wtmp, data 16->64 dropped 66 /var/log/kern.log, ASCII 16->66 dropped 72 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->72 74 Reads system files that contain records of logged in users 16->74 31 accounts-daemon language-validate 16->31         started        37 68 other processes 16->37 signatures6 process7 signatures8 86 Sample deletes itself 20->86 49 3 other processes 20->49 39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        47 language-validate language-options 31->47         started        52 5 other processes 33->52 54 7 other processes 35->54 56 56 other processes 37->56 process9 signatures10 58 language-options sh 47->58         started        76 Sample tries to kill multiple processes (SIGKILL) 49->76 78 Manipulation of devices in /dev 49->78 80 Deletes system log files 49->80 process11 process12 60 sh locale 58->60         started        62 sh grep 58->62         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c831539a68f0d515b5cf43541b41674bbeb3d40ed4598f8ff51421603dcc8ddb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c831539a68f0d515b5cf43541b41674bbeb3d40ed4598f8ff51421603dcc8ddb/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-30 02:40:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zayvhgti6dkrlnopinkbwqlhjo7lhvao2rmy7d7vcqqwapomrxnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet
Link:
https://tria.ge/reports/250330-fzt9mstjw3/
Malware Config
C2 Extraction:
141.98.10.142
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/c831539a68f0d515b5cf43541b41674bbeb3d40ed4598f8ff51421603dcc8ddb

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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 c831539a68f0d515b5cf43541b41674bbeb3d40ed4598f8ff51421603dcc8ddb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3477316/
  
Delivery method
Distributed via web download

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