MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fb6c9eb29ad8a8ec83dcdaa2d0fc5588775fac346e91903073fbe0db6de8078. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fb6c9eb29ad8a8ec83dcdaa2d0fc5588775fac346e91903073fbe0db6de8078
SHA3-384 hash: d2407425364d65b0e5917eab298a0d604a1f99d21042579bb826b5961a529fddf7ec0752af8beffbf1846438f79a873c
SHA1 hash: 1c5bb76511af32bacc37f8d3abe681fdc27ad3d6
MD5 hash: a2b65a1a6583f0106a3441936ecf1ad4
humanhash: nine-crazy-low-bulldog
File name:BDK.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:55'200 bytes
First seen:2022-04-12 21:59:24 UTC
Last seen:2022-04-14 08:58:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:RPwRZ2ONPySblEPZaMt3+McbSv6M4y3LSxmggZiEnT:RUwO1d5gnqbSvr3LSu8EnT
TLSH T17C43F1043717E6E2D9E328B6DCEE864A3E59CBFE552235A39300490CBD81C56CB7C9D1
Reporter tolisec
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
4
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.1755.6061.5425.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/6255f668eab80a7a6c03dde5/reports/59bd76f8-a3f9-45f3-9c5d-d1cc4d493940/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
172.245.210.119/.rIIoOx29
Number of open files:
157
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8fb6c9eb29ad8a8ec83dcdaa2d0fc5588775fac346e91903073fbe0db6de8078
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
172.245.210.119:19372
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4c6d3ce4-e289-4cda-8a73-269a633ecb2e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/975794
Signature
Deletes security-related log files
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 608282 Sample: BDK.arm6 Startdate: 13/04/2022 Architecture: LINUX Score: 72 70 109.202.202.202, 80 INIT7CH Switzerland 2->70 72 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->72 74 2 other IPs or domains 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected Mirai 2->78 80 Sample is packed with UPX 2->80 10 systemd mandb BDK.arm6 2->10         started        13 systemd logrotate 2->13         started        15 systemd install 2->15         started        17 systemd find 2->17         started        signatures3 process4 signatures5 86 Opens /proc/net/* files useful for finding connected devices and routers 10->86 19 BDK.arm6 10->19         started        21 BDK.arm6 10->21         started        23 logrotate sh 13->23         started        25 logrotate sh 13->25         started        27 logrotate gzip 13->27         started        29 logrotate gzip 13->29         started        process6 process7 31 BDK.arm6 19->31         started        33 sh invoke-rc.d 23->33         started        35 sh rsyslog-rotate 25->35         started        process8 37 BDK.arm6 sh 31->37         started        39 BDK.arm6 sh 31->39         started        41 BDK.arm6 sh 31->41         started        53 5 other processes 31->53 43 invoke-rc.d runlevel 33->43         started        45 invoke-rc.d systemctl 33->45         started        47 invoke-rc.d ls 33->47         started        49 invoke-rc.d systemctl 33->49         started        51 rsyslog-rotate systemctl 35->51         started        process9 55 sh rm 37->55         started        58 sh rm 39->58         started        60 sh rm 41->60         started        62 sh rm 53->62         started        64 sh pkill 53->64         started        66 sh pkill 53->66         started        68 2 other processes 53->68 signatures10 82 Sample deletes itself 55->82 84 Deletes security-related log files 58->84
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8fb6c9eb29ad8a8ec83dcdaa2d0fc5588775fac346e91903073fbe0db6de8078/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-04-12 22:00:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/220412-1wmevahacn/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Reads system network configuration
Reads system routing table
Write file to user bin folder
Deletes system logs
Modifies the Watchdog daemon
Writes file to system bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.

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 8fb6c9eb29ad8a8ec83dcdaa2d0fc5588775fac346e91903073fbe0db6de8078

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2143972/
  
Delivery method
Distributed via web download

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