MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4
SHA3-384 hash: 89b92f2ad1b9fb6f70e3ce8d39b6a154e3c0248287a8ab1dee78c0e89293b817e857c7c0c33f20462707c5a1c3186b4a
SHA1 hash: 3253f7e6ba3eed7b5edbd8c8ec4f3c1f4d418ab1
MD5 hash: add7a5bdde43ea34c7cae3b40dc04552
humanhash: idaho-artist-august-arizona
File name:debug.dbg
Download: download sample
Signature Mirai
Create hunting rule
File size:71'024 bytes
First seen:2025-01-23 08:10:50 UTC
Last seen:2025-01-24 05:30:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:B9b22qvM8FVSuPzqE0ITc9E0+O4LdxFzshpMx5RRr/lp1X63:B122qvfFViZ9D4LdxFzsAxrR5Q
TLSH T1B4636CC4FA83D8F6FD1605301167EB339E72F1B91368EA47D7B885B6E862641E503A4C
telfhash t1913107fb1e7f0decb7d06540c32e9f8119aef637656037a04522986423abdd950acc38
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 :
79
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6791fdace708b6e7a3b0394blinux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Receives data from a server
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/6791f9bd70cf772b4cf5586b/reports/950a3d42-d6a9-450d-9fe2-38f581d3dc27/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/30c4076b-c855-4135-8f89-7f7561be3d15
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1597416
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-23 08:11:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fcnxurlka4pz7wnrsitbfekbctig6dxedtptbk4toq6lslypv3sa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Link:
https://tria.ge/reports/250123-j29nws1ldy/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Malware Config
C2 Extraction:
krkrdoskslansldkalsd.o-r.kr
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7135906-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/7e76be1b-1ee7-4d30-8280-9f963ef4f50d
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/289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4

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_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 289b7a456a071f9fd9b1922612914114d06f0ee41cdf30ab93743cb92f0faee4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405943/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3405949/

Comments