Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 01:07

General

  • Target

    43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe

  • Size

    197KB

  • MD5

    1f713539b5dbfdf2ef5b0620806af6ee

  • SHA1

    a1b82c2f270bef7afd1fc2e5d102832695d06be1

  • SHA256

    43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb

  • SHA512

    ede9a0fa39da67d7116da9e207807b5bc893a975621e39bb600fc4dac8025ce4ac2faccaf0b98723a3f09050db55dc2498a89ecb203dbd24e5b4bc6f9139bb87

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOJ:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX4

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe
    "C:\Users\Admin\AppData\Local\Temp\43c794f124ae4ec6e85cd828af00470301c0bbed2e76fc63b95177a7010f0abb.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\43C794~1.EXE > nul
      2⤵
        PID:4648
    • C:\Windows\Debug\bqchost.exe
      C:\Windows\Debug\bqchost.exe
      1⤵
      • Executes dropped EXE
      PID:2648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\debug\bqchost.exe

      Filesize

      197KB

      MD5

      df51d28fa07d9574d3b04de772effbf1

      SHA1

      41bf8b9ec482a5d730945b557b1d83480b4df3bb

      SHA256

      de4657b0958d80a6c3903312186ff0c16e5c6dfdaa9bd7bbd7b5d4ec6ac5c041

      SHA512

      585dfe12e9e0bbc42c9b2db4a0d926812998491945b000f7b1fd070a52d56e3647572901f44fbcbcf593a5a8d392b3f218fa457403edcd8818e961077e9702dc