MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905
SHA3-384 hash: 2d3a22238444340b9b3bbf3d1d3136a87880e930a80ae80c7f81b79d18ebe9fc91e22aab111bb10f971af34555d47186
SHA1 hash: f7da393081f12ec4bafc6630e1b13b0894a45d56
MD5 hash: e5b7decf28152537acf45a6030a288a9
humanhash: johnny-speaker-nuts-september
File name:kt1
Download: download sample
Signature Mirai
Create hunting rule
File size:64'252 bytes
First seen:2025-05-07 03:59:32 UTC
Last seen:2025-05-07 06:16:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:5U2j3wm3SYLDL3pFQXobIU8mzNMr0z+BPsxjTqC:S2j3wrAL3pFQYbIj+Ng0iA1
TLSH T1FE53D6457642D8B2E01300F22496DF910635FA3E34E1D89FF3817D7BB67AA81866276F
telfhash t1772104fd1aeb0cd9e7d8a040815e17a4190ee83f28007af18733e425232ef02963ac3d
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 :
2
# of downloads :
107
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681adba1432e243ac3e4c96alinux22vpnfull_triage
Tags:
ransomware shellcode mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/681adad2d95f3e34e9628c3e/reports/0b9a2e2c-4e1a-4d2e-83b0-d554701e4593/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e3cc28d8-dbb7-478c-96de-c6da16eab0bc
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1682884
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682884 Sample: kt1.elf Startdate: 07/05/2025 Architecture: LINUX Score: 64 14 109.202.202.202, 80 INIT7CH Switzerland 2->14 16 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->16 18 2 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Antivirus / Scanner detection for submitted sample 2->22 24 Yara detected Mirai 2->24 8 kt1.elf 2->8         started        signatures3 process4 process5 10 kt1.elf 8->10         started        process6 12 kt1.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 04:00:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d4vsyizgkrewwj37escclwrs4saq2gw5n2r5p4ldyltgqeuqnecq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
linux
Link:
https://tria.ge/reports/250507-ekqggafm5y/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_389ee3e9
Link:
https://app.threat.zone/submission/65977254-9e2c-4d4d-b9c9-c85fdfd3ef40
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/1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 1f2b2c232654496b277f248425da32e4810d1add6ea3d7f163c2e66812906905

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531148/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532680/

Comments