General

  • Target

    3c20ebfe4575a9d9b7c7bb7093dd7c0940ee0fc5da3e50923876e1ade785c323.exe

  • Size

    1.8MB

  • Sample

    250207-e7bltszrel

  • MD5

    213c5c3b1fa42206e807c2c363992958

  • SHA1

    efa21b96fc73b01cab892b952e0463b9e2c4ba23

  • SHA256

    3c20ebfe4575a9d9b7c7bb7093dd7c0940ee0fc5da3e50923876e1ade785c323

  • SHA512

    b35dc920d899e4bd5845d5eb2ed8ee756eb180f9391fd7fec375e3a071b0814c92e53442e01c9543aa466a35a5790a21e71ad25b1043b17c78ef3184e5cd07e3

  • SSDEEP

    24576:uczVM0solVBmTgwWfzjpUG6I2fl2zjUQUMOdZO1G6ZgrhwNR3ySa/ioHEsx:ucBRmTNQW2PUQUqG6eregK

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

redline

Botnet

cheat

C2

103.84.89.222:33791

Extracted

Family

systembc

C2

wodresomdaymomentum.org

Attributes
  • dns

    5.132.191.104

Extracted

Family

lumma

C2

https://rampnatleadk.click/api

https://paleboreei.biz/api

https://cozyhomevpibes.cyou/api

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

159.100.19.137:7707

Mutex

yBu0GW2G5zAc

Attributes
  • delay

    3

  • install

    false

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

vidar

C2

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Targets

    • Target

      3c20ebfe4575a9d9b7c7bb7093dd7c0940ee0fc5da3e50923876e1ade785c323.exe

    • Size

      1.8MB

    • MD5

      213c5c3b1fa42206e807c2c363992958

    • SHA1

      efa21b96fc73b01cab892b952e0463b9e2c4ba23

    • SHA256

      3c20ebfe4575a9d9b7c7bb7093dd7c0940ee0fc5da3e50923876e1ade785c323

    • SHA512

      b35dc920d899e4bd5845d5eb2ed8ee756eb180f9391fd7fec375e3a071b0814c92e53442e01c9543aa466a35a5790a21e71ad25b1043b17c78ef3184e5cd07e3

    • SSDEEP

      24576:uczVM0solVBmTgwWfzjpUG6I2fl2zjUQUMOdZO1G6ZgrhwNR3ySa/ioHEsx:ucBRmTNQW2PUQUqG6eregK

    • Amadey

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

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

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

    • Lumma family

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Redline family

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • 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.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • 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