MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8872dcb622e4d646ca53fc0ab40b8c2aef530ddfe07518b163e25f98a82ab72d. 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 1 File information Comments

SHA256 hash: 8872dcb622e4d646ca53fc0ab40b8c2aef530ddfe07518b163e25f98a82ab72d
SHA3-384 hash: 8a3d828a19a8630268f3594ba99ccff8c1e445b6c69116faba789babf1046a920b4f652b583d10426ea8067f1fc17751
SHA1 hash: 861ac85b20404f41a4343372f3ff2d8e998919b4
MD5 hash: 0a126123150c971c66bdbaf4481f0eb1
humanhash: single-lamp-gee-hot
File name:BDK.arm7
Download: download sample
Signature Mirai
File size:69'224 bytes
First seen:2022-04-10 07:43:27 UTC
Last seen:2022-04-12 00:07:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:EAQm5uqzcRe1OZmaMwNZY2AIZ3oN0xLDtH1pR1iMA:ZQgzIekE4NZ1YoLpHy9
TLSH T1D2630258E13742B1853174BDEC93B08BAFA3DEB487AEBBB070410B6D238554B58B59C6
Reporter tolisec
Tags:gafgyt mirai

Intelligence


File Origin
# of uploads :
7
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
172.245.210.119/.rIIoOx22
Number of open files:
157
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
172.245.210.119:17638
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 606455 Sample: BDK.arm7 Startdate: 10/04/2022 Architecture: LINUX Score: 72 42 109.202.202.202, 80 INIT7CH Switzerland 2->42 44 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->44 46 2 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Mirai 2->50 52 Sample is packed with UPX 2->52 10 BDK.arm7 2->10         started        signatures3 process4 signatures5 54 Opens /proc/net/* files useful for finding connected devices and routers 10->54 13 BDK.arm7 10->13         started        15 BDK.arm7 10->15         started        process6 process7 17 BDK.arm7 13->17         started        process8 19 BDK.arm7 sh 17->19         started        21 BDK.arm7 sh 17->21         started        23 BDK.arm7 sh 17->23         started        25 5 other processes 17->25 process9 27 sh rm 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        34 sh rm 25->34         started        36 sh pkill 25->36         started        38 sh pkill 25->38         started        40 2 other processes 25->40 signatures10 56 Sample deletes itself 27->56 58 Deletes security-related log files 30->58
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2022-04-10 07:44:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 25 (52.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
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:SUSP_ELF_LNX_UPX_Compressed_File
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 8872dcb622e4d646ca53fc0ab40b8c2aef530ddfe07518b163e25f98a82ab72d

(this sample)

  
Delivery method
Distributed via web download

Comments