Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 15:34

General

  • Target

    2ddb90ba6fcd210c02903afbb47630523d4661d4b0069bfd3386abfbef34e628N.exe

  • Size

    524KB

  • MD5

    088da2d6bac46c6d2df6c6c29e28b170

  • SHA1

    a7ce89dc0265d52ba26727ceed4a9102511d7e0d

  • SHA256

    2ddb90ba6fcd210c02903afbb47630523d4661d4b0069bfd3386abfbef34e628

  • SHA512

    f813d4e4e46233b4edccf41c1a891b82059251d59b7341ced80bd623bc4f53d6f4057eb3436bbdf12e67c210c77a1efa0ac73f0f3216510abbc6ca8afe2a67ad

  • SSDEEP

    12288:LLS65eo7WOcg3kXaD5Ny6+KW78FCjIwQpe:LLS65eKWOpkXaLy6OECXQpe

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ddb90ba6fcd210c02903afbb47630523d4661d4b0069bfd3386abfbef34e628N.exe
    "C:\Users\Admin\AppData\Local\Temp\2ddb90ba6fcd210c02903afbb47630523d4661d4b0069bfd3386abfbef34e628N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\2ddb90ba6fcd210c02903afbb47630523d4661d4b0069bfd3386abfbef34e628N.exe
      "C:\Users\Admin\AppData\Local\Temp\2ddb90ba6fcd210c02903afbb47630523d4661d4b0069bfd3386abfbef34e628N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QGCYX.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsService" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindowsWindowsService\WindowsService.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2512
      • C:\Users\Admin\AppData\Roaming\SystemWindowsWindowsService\WindowsService.exe
        "C:\Users\Admin\AppData\Roaming\SystemWindowsWindowsService\WindowsService.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4848
        • C:\Users\Admin\AppData\Roaming\SystemWindowsWindowsService\WindowsService.exe
          "C:\Users\Admin\AppData\Roaming\SystemWindowsWindowsService\WindowsService.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\QGCYX.txt

    Filesize

    178B

    MD5

    c2cc427c87f0a6e231266dbb4d5b6ac5

    SHA1

    e0849fc705f915d218b2dc2f744bb24157022355

    SHA256

    1b985a6f00b15b5eb13fd2b9c79f163e2c3ed1b8d4133e08f213dc6dc7850999

    SHA512

    be4d6b172b0c92d1ffa33b30c642db3ccbda637af92234853918ef5e3c6c40121ec10c42557c96ddbc234d0d539c47c6c5adc8bf4c77e9daf8204661215a8e37

  • C:\Users\Admin\AppData\Roaming\SystemWindowsWindowsService\WindowsService.exe

    Filesize

    524KB

    MD5

    c8f84f6b33d1369e8a7060d4077abf86

    SHA1

    f78aa729e5f5da2f804f9b233119f8d35fde11a1

    SHA256

    100ec2156964292c7d67bd47520ce2b3eda5f351bc685831dca8f765c97a1324

    SHA512

    342f01ee58f841ea9a38050ed4be45be6dcba861396bbdf98acd1dce90c1882c5c309d228128ae7922da55a91a5ac34743410f660a63c07bff50341d9771cd8f

  • memory/2400-3-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2400-5-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2400-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2400-33-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2400-43-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3664-46-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4848-35-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/4848-41-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/4996-2-0x0000000002C20000-0x0000000002C21000-memory.dmp

    Filesize

    4KB