Analysis

  • max time kernel
    159s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 02:22

General

  • Target
    fb631c269b7f90ece3ce83c13488ac3fb83b4d02e6a47494ea5dfec5730be169.exe
  • Size 203KB
  • Sample240320-ctqgqaee25
  • SHA256 fb631c269b7f90ece3ce83c13488ac3fb83b4d02e6a47494ea5dfec5730be169
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Detects executables packed with ASPack 3 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • 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 Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb631c269b7f90ece3ce83c13488ac3fb83b4d02e6a47494ea5dfec5730be169.exe
    "C:\Users\Admin\AppData\Local\Temp\fb631c269b7f90ece3ce83c13488ac3fb83b4d02e6a47494ea5dfec5730be169.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\xoZcyM.exe
      C:\Users\Admin\AppData\Local\Temp\xoZcyM.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:208
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7a356838.bat" "
        3⤵
          PID:3448

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          k2[1].rar

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OCSF5S5B\k2[1].rar
          • Size 4B
          • SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
          • MD5 SHA1 SHA512

          128D62D1.exe

          • Path C:\Users\Admin\AppData\Local\Temp\128D62D1.exe
          • Size 4B
          • SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
          • MD5 SHA1 SHA512

          7a356838.bat

          • Path C:\Users\Admin\AppData\Local\Temp\7a356838.bat
          • Size 187B
          • SHA256 db76c22b3a0a20066d020221c2d0fd7cff85fdf7cf9765ad924e8196aa823942
          • MD5 SHA1 SHA512

          xoZcyM.exe

          • Path C:\Users\Admin\AppData\Local\Temp\xoZcyM.exe
          • Size 15KB
          • SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
          • MD5 SHA1 SHA512 SSDEEP

          memory/208-5-0x00000000005B0000-0x00000000005B9000-memory.dmp

          memory/208-46-0x00000000005B0000-0x00000000005B9000-memory.dmp

          memory/2004-0-0x0000000000400000-0x000000000043A000-memory.dmp

          memory/2004-43-0x0000000000400000-0x000000000043A000-memory.dmp