General

  • Target

    f177f34b07fa2237adfda7ce8aa42889e1529bf25abe1f7df58613c8c5197a34.exe

  • Size

    1.8MB

  • Sample

    241122-dtbt1azjhq

  • MD5

    ea7705c2143e7c21967211c16fceb549

  • SHA1

    5ed0a996617121fe8c267bcb2b7e7adcbf8cf1be

  • SHA256

    f177f34b07fa2237adfda7ce8aa42889e1529bf25abe1f7df58613c8c5197a34

  • SHA512

    202a3862bf26a9e3b839c38a30b62473bc4190b010fe54520ffb4ea10a2a0fbb424efa08df14c6df88bfb0669d48cb22e358bca374bbb1391055521d18bc875c

  • SSDEEP

    49152:vuYKP41uIfWVr1H9muoLiwthIySOt8r+wc3Tfvuv1WNQsU/xWlE:vf84IiWB1IuoL7SOY+xjfvgxrw

Malware Config

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

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

xworm

C2

87.120.112.33:8398

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot6673004050:AAEcDfPnnGAswDvyrn9-bkOySVSnbPqLnBU/sendMessage?chat_id=1470436579

Targets

    • Target

      f177f34b07fa2237adfda7ce8aa42889e1529bf25abe1f7df58613c8c5197a34.exe

    • Size

      1.8MB

    • MD5

      ea7705c2143e7c21967211c16fceb549

    • SHA1

      5ed0a996617121fe8c267bcb2b7e7adcbf8cf1be

    • SHA256

      f177f34b07fa2237adfda7ce8aa42889e1529bf25abe1f7df58613c8c5197a34

    • SHA512

      202a3862bf26a9e3b839c38a30b62473bc4190b010fe54520ffb4ea10a2a0fbb424efa08df14c6df88bfb0669d48cb22e358bca374bbb1391055521d18bc875c

    • SSDEEP

      49152:vuYKP41uIfWVr1H9muoLiwthIySOt8r+wc3Tfvuv1WNQsU/xWlE:vf84IiWB1IuoL7SOY+xjfvgxrw

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Xworm Payload

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • 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.

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks