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Analysis

  • max time kernel
    615s
  • max time network
    618s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/07/2024, 11:25

General

  • Target

    GTA 6 Builder-Install.exe

  • Size

    13.2MB

  • MD5

    76c24a289ef8e97b890585d7727ac384

  • SHA1

    4f5e5bbd4d24f3d475bd77b30c9f6f62d96f3d64

  • SHA256

    ecf92b4d201eb858e63d6dd03937de3255ac7bc6f57264753f53306a3a9d7aa2

  • SHA512

    0d54872ea7cc28f3de62a40eb50b06ace92a4e77144608f2d9e51d4ca60fec5d485bd6bceba8d1f4acea8b20670233a412df4cf5bf29eac17dc723b23ee1128d

  • SSDEEP

    196608:FexmCr8ywE5Ec0BY36vhmYzr9bD3xRlLlPIIHtOC21rGY+GVz3mAp:UPr8ycYqv9bDflLlggOd+M1p

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GTA 6 Builder-Install.exe
    "C:\Users\Admin\AppData\Local\Temp\GTA 6 Builder-Install.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Users\Admin\AppData\Local\Temp\ComHostSvc.exe
      "C:\Users\Admin\AppData\Local\Temp\ComHostSvc.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\9dbjknkRRi.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:60
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:2588
          • C:\Windows\system32\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:1352
      • C:\Users\Admin\AppData\Local\Temp\Runtime64.exe
        "C:\Users\Admin\AppData\Local\Temp\Runtime64.exe"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        PID:4900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\9dbjknkRRi.bat

      Filesize

      180B

      MD5

      5a64ff7e8f4ce7f290791cfcaa2a45c3

      SHA1

      54f23701ae1ee611ea00a7cd90e8b899c789fcfc

      SHA256

      8baa0dd33b64fa6af4f3ac64a91e35e44e39dffbe6bd1e4d2828b0abd3e26584

      SHA512

      9b92f9a0f1a763e14e9a3dc051445b5e3b927b44b47ec9899c6d1be6734e71b78b9afe5f4415ab7e673138ae7781740b473f78e56c0061bcb558c3235a79ac15

    • C:\Users\Admin\AppData\Local\Temp\ComHostSvc.exe

      Filesize

      2.0MB

      MD5

      31e5e3ac5a03d60d67188b6b0c3d152b

      SHA1

      41e831bc8b0c314a46d17492ded7b6b587d66db2

      SHA256

      dc73ce51066fdcd5f0c7c88fd6fdfb9a4a3722ebe3d2def1dc593fbc1af9e467

      SHA512

      64837c66af3f63c214ff8f466266f3dea1cf135d54ccaaf5c06fa13763045d79220f88d09ca49a36668d7e1f506bc74c9a2b8de0ec77aac272b0e1466aa168c2

    • C:\Users\Admin\AppData\Local\Temp\Runtime64.exe

      Filesize

      11KB

      MD5

      da23f44a96e6aa3a8b80f1cc40169dae

      SHA1

      9c5ff4215e46407da34524ce4f26841aa2c842c6

      SHA256

      2d86ab0d97a265aa7b465439ac97c0c6b428a3bdc18000625f3fd66c07ff6f70

      SHA512

      ccf6056c176a98e2f235f22667ea1497191a3cb373fc63632467de6255493c98fcb315d55a634cd0bb10e6087d832f46d0712fb3661dd3786bd9fe360981a035

    • memory/3328-18-0x0000000000400000-0x00000000021E4000-memory.dmp

      Filesize

      29.9MB

    • memory/3328-1-0x00000000778B4000-0x00000000778B5000-memory.dmp

      Filesize

      4KB

    • memory/3328-0-0x0000000000400000-0x00000000021E4000-memory.dmp

      Filesize

      29.9MB

    • memory/3616-21-0x0000000003220000-0x000000000323C000-memory.dmp

      Filesize

      112KB

    • memory/3616-15-0x0000000000F50000-0x0000000001156000-memory.dmp

      Filesize

      2.0MB

    • memory/3616-22-0x000000001C210000-0x000000001C260000-memory.dmp

      Filesize

      320KB

    • memory/3616-24-0x000000001BD60000-0x000000001BD78000-memory.dmp

      Filesize

      96KB

    • memory/3616-26-0x0000000003210000-0x000000000321E000-memory.dmp

      Filesize

      56KB

    • memory/3616-28-0x000000001BD80000-0x000000001BD8E000-memory.dmp

      Filesize

      56KB

    • memory/3616-30-0x000000001C1E0000-0x000000001C1F2000-memory.dmp

      Filesize

      72KB

    • memory/3616-32-0x000000001BD90000-0x000000001BD9C000-memory.dmp

      Filesize

      48KB

    • memory/3616-34-0x000000001C1C0000-0x000000001C1CE000-memory.dmp

      Filesize

      56KB

    • memory/3616-36-0x000000001C1D0000-0x000000001C1DC000-memory.dmp

      Filesize

      48KB

    • memory/3616-37-0x00007FF97EED3000-0x00007FF97EED4000-memory.dmp

      Filesize

      4KB

    • memory/3616-16-0x00007FF97EED3000-0x00007FF97EED4000-memory.dmp

      Filesize

      4KB

    • memory/4900-17-0x0000020076A80000-0x0000020076A88000-memory.dmp

      Filesize

      32KB