General

  • Target

    random.exe

  • Size

    6.1MB

  • Sample

    250406-mxr5tswxgt

  • MD5

    5a0c7d37859d3542f6772b9ef5ee5cf8

  • SHA1

    27b53f77c9f99b87c6f9b1908310a5e2d73d1a79

  • SHA256

    16b64046640bb6230c3bf41bdebb18224781fef9f2225bc30b82a063b1ed3fa8

  • SHA512

    d2aa0be1f1cf059aaba9d3770c515f8be68698d7f631d321662feab5eae93996c9b4d23b862d7e59065701914498c9a92f1a687b302380dc56b9bc056b7fdc0a

  • SSDEEP

    98304:zN9nbWR9YW1UZPiPQHMP6sYv15XNcDNwKmzyVyrooaCs3TOJ1yC/nCjlHI8GpHCz:HY9YO+PiPpY3NONweCZ/ycPBCvJ9F8

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

lumma

C2

https://pepperiop.digital/oage

https://jrxsafer.top/shpaoz

https://6plantainklj.run/opafg

https://gpuerrogfh.live/iqwez

https://quavabvc.top/iuzhd

https://advennture.top/GKsiio

https://targett.top/dsANGt

https://rambutanvcx.run/adioz

https://ywmedici.top/noagis

https://plantainklj.run/opafg

https://puerrogfh.live/iqwez

https://.ywmedici.top/noagis

https://cosmosyf.top/GOsznj

https://yjrxsafer.top/shpaoz

https://krxspint.digital/kendwz

https://rhxhube.run/pogrs

https://grxeasyw.digital/xxepw

https://xrfxcaseq.live/gspaz

https://rodformi.run/aUosoz

https://metalsyo.digital/opsa

Extracted

Family

darkvision

C2

82.29.67.160

Attributes
  • url

    http://107.174.192.179/data/003

    https://grabify.link/ZATFQO

    http://107.174.192.179/clean

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Extracted

Family

quasar

Version

1.5.0

Botnet

Office04

C2

goku92ad.zapto.org:5000

Mutex

a0766e5c-a1d1-4766-a1f5-4e4f9f9fe35a

Attributes
  • encryption_key

    BF72099FDBC6B48816529089CF1CF2CF86357D14

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Modded Client Startup

  • subdirectory

    SubDir

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:6666

5.180.155.29:6666

Mutex

QPPP7ypX2vFWlxk3

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot8016176478:AAGVLtLncU8-ZLd-P86FqeQzAOXJybu2R9g/sendMessage?chat_id=5165347769

aes.plain

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Targets

    • Target

      random.exe

    • Size

      6.1MB

    • MD5

      5a0c7d37859d3542f6772b9ef5ee5cf8

    • SHA1

      27b53f77c9f99b87c6f9b1908310a5e2d73d1a79

    • SHA256

      16b64046640bb6230c3bf41bdebb18224781fef9f2225bc30b82a063b1ed3fa8

    • SHA512

      d2aa0be1f1cf059aaba9d3770c515f8be68698d7f631d321662feab5eae93996c9b4d23b862d7e59065701914498c9a92f1a687b302380dc56b9bc056b7fdc0a

    • SSDEEP

      98304:zN9nbWR9YW1UZPiPQHMP6sYv15XNcDNwKmzyVyrooaCs3TOJ1yC/nCjlHI8GpHCz:HY9YO+PiPpY3NONweCZ/ycPBCvJ9F8

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • DarkVision Rat

      DarkVision Rat is a trojan written in C++.

    • Darkvision family

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies security service

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Contacts a large (27821) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks