General

  • Target

    Output.exe

  • Size

    7.2MB

  • Sample

    240916-f5vscs1clm

  • MD5

    912ebadfef2b79a661c0fce42a1b27b0

  • SHA1

    f8c897682d6c2cc498cd2ddc96468a0c60fd5ef7

  • SHA256

    910d16a563b45f12c900a6d1c534e21bf5a0bb6a46485985ef6cd4eecd22cfa2

  • SHA512

    8a6ce1f9a00fae3238506b98bc34ee093a8d44974e51fdd4c6fdffaa78fc70c47c9006c353ece33c4411c84e6deba34a9a7f9e4ce7cca8104a1b20b18bb5ff29

  • SSDEEP

    196608:IYvleFwTit7oAsKbscSd27W3lXz2K47M2L:IXwTCUApPSd2WlXz21Q2

Malware Config

Targets

    • Target

      Output.exe

    • Size

      7.2MB

    • MD5

      912ebadfef2b79a661c0fce42a1b27b0

    • SHA1

      f8c897682d6c2cc498cd2ddc96468a0c60fd5ef7

    • SHA256

      910d16a563b45f12c900a6d1c534e21bf5a0bb6a46485985ef6cd4eecd22cfa2

    • SHA512

      8a6ce1f9a00fae3238506b98bc34ee093a8d44974e51fdd4c6fdffaa78fc70c47c9006c353ece33c4411c84e6deba34a9a7f9e4ce7cca8104a1b20b18bb5ff29

    • SSDEEP

      196608:IYvleFwTit7oAsKbscSd27W3lXz2K47M2L:IXwTCUApPSd2WlXz21Q2

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • RevengeRat Executable

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks