General

  • Target

    9026ca6bc267a2ac0e092e352cb39dfe.bin

  • Size

    1.8MB

  • Sample

    241122-bt1f9axnaj

  • MD5

    9ead336593c2e4170d6d5b21a0d0b29b

  • SHA1

    49a9fe8e29d6863805932a02fe6c5bc81c4cfe38

  • SHA256

    2021df4b0c41c4f438033c61220baded15628c8064e90f296b7397dea6c718c8

  • SHA512

    ec060e7439b1883eff313409b7d2284e843939168eade5209d779eb6890388ad41ba6dd0f7662fbac0b79b536ec177cee2c22403ddc17ee2fa8d2658539b5e75

  • SSDEEP

    49152:hcTi9xfUEWa3d5cISzKHwPTKHdRaUTdkSJE:hcTgxMEm7zZ4RaaJE

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

      e2b42da09ca84002f6f77f31c1ed5c2d14346aa5984ffe8a494ff1e69c35a68d.exe

    • Size

      1.8MB

    • MD5

      9026ca6bc267a2ac0e092e352cb39dfe

    • SHA1

      081dbb285587965762103b87f260f1371af58087

    • SHA256

      e2b42da09ca84002f6f77f31c1ed5c2d14346aa5984ffe8a494ff1e69c35a68d

    • SHA512

      f03a4ff06faa9c32f1ddfa39da15c315bc12edfc04199f48a88c6fb7cc3c74612580668fc51d2303d24a70d11075bff48e148a21c17244adb7435ad12aa91cdf

    • SSDEEP

      49152:d+NNooX6+IMF0uqSYgXRVb/LrDGvJpTb:oNNVXBIjgVTLWvJp

    • 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