MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4818b6b8aa4764850b07444f0d02e44f9f3a9343ed1e59986b67abe584b191f. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4818b6b8aa4764850b07444f0d02e44f9f3a9343ed1e59986b67abe584b191f
SHA3-384 hash: ff88b4b2da5486879bc237c72f2cdb771cedbc30364b1534c9e7c544cb87dde4d3699aa8a0b230df7ebb1d31959d862c
SHA1 hash: 5259102c1b1ab76af1a94bc3767c772be7ecdf9a
MD5 hash: 821f40f054604fd3a01c96bdfc6959f7
humanhash: sierra-nevada-alpha-triple
File name:yakuza.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:50'648 bytes
First seen:2022-01-03 08:00:05 UTC
Last seen:2022-01-10 04:00:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:WAtLmo9oHx5L26YLy410bf+ldX/Vbxq3UIKXf1KxcaFte/KyI3fBht/:WAtyeKKI41qfwCKXfxgsyyI3fN/
TLSH T1E833F1B8C15A79F2AAB44432EC0D48C771117BAC738AF51E72A8071C1AD3696BBEC457
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.1429.7940.18760.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/61d2ad0e7837ada941a995c8/reports/2235604e-d728-488e-8a3e-6e707431022f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
185.204.217.174:80/bins
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/b4818b6b8aa4764850b07444f0d02e44f9f3a9343ed1e59986b67abe584b191f
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
185.204.217.174:5034
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08ad6f94-e680-47b5-b337-b9ec0c70b047
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/914780
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4818b6b8aa4764850b07444f0d02e44f9f3a9343ed1e59986b67abe584b191f/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-01-03 08:01:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/220103-jv1gmshedj/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Modifies the Watchdog daemon
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/b4818b6b8aa4764850b07444f0d02e44f9f3a9343ed1e59986b67abe584b191f

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b4818b6b8aa4764850b07444f0d02e44f9f3a9343ed1e59986b67abe584b191f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1945588/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1946776/

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