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Analysis

  • max time kernel
    448s
  • max time network
    450s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-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:4460
    • 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:1396
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\LW19r029AS.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2720
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:1984
          • C:\Windows\system32\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2020
      • C:\Users\Admin\AppData\Local\Temp\Runtime64.exe
        "C:\Users\Admin\AppData\Local\Temp\Runtime64.exe"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        PID:3148

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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\LW19r029AS.bat

      Filesize

      180B

      MD5

      e987dfb8862f5fb43bccda3e1c91c0d7

      SHA1

      8d62a6f4a09979b07b1b55c9a040f2f69a72e0c1

      SHA256

      6e48bc2c057f41f98c74b941d14486a9255a96a9e00663b621812a2815902fcd

      SHA512

      ea2bf1b6080ab1872fe12995ff97288302e1fe76d963f558ec39d4c7216138af9de8750be1461a50a9076fbb74470a58ad8fe94c06a7a1d969067b3baf9bfa76

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

      Filesize

      11KB

      MD5

      da23f44a96e6aa3a8b80f1cc40169dae

      SHA1

      9c5ff4215e46407da34524ce4f26841aa2c842c6

      SHA256

      2d86ab0d97a265aa7b465439ac97c0c6b428a3bdc18000625f3fd66c07ff6f70

      SHA512

      ccf6056c176a98e2f235f22667ea1497191a3cb373fc63632467de6255493c98fcb315d55a634cd0bb10e6087d832f46d0712fb3661dd3786bd9fe360981a035

    • memory/1396-45-0x0000000002C80000-0x0000000002C8C000-memory.dmp

      Filesize

      48KB

    • memory/1396-47-0x0000000002DB0000-0x0000000002DBE000-memory.dmp

      Filesize

      56KB

    • memory/1396-92-0x00007FFE59E70000-0x00007FFE5A932000-memory.dmp

      Filesize

      10.8MB

    • memory/1396-30-0x00000000008A0000-0x0000000000AA6000-memory.dmp

      Filesize

      2.0MB

    • memory/1396-31-0x00007FFE59E70000-0x00007FFE5A932000-memory.dmp

      Filesize

      10.8MB

    • memory/1396-91-0x000000001DC00000-0x000000001DD1E000-memory.dmp

      Filesize

      1.1MB

    • memory/1396-34-0x0000000002C30000-0x0000000002C4C000-memory.dmp

      Filesize

      112KB

    • memory/1396-35-0x0000000002E00000-0x0000000002E50000-memory.dmp

      Filesize

      320KB

    • memory/1396-37-0x0000000002C50000-0x0000000002C68000-memory.dmp

      Filesize

      96KB

    • memory/1396-39-0x00000000011E0000-0x00000000011EE000-memory.dmp

      Filesize

      56KB

    • memory/1396-41-0x0000000002C70000-0x0000000002C7E000-memory.dmp

      Filesize

      56KB

    • memory/1396-43-0x0000000002DD0000-0x0000000002DE2000-memory.dmp

      Filesize

      72KB

    • memory/1396-52-0x00007FFE59E70000-0x00007FFE5A932000-memory.dmp

      Filesize

      10.8MB

    • memory/1396-50-0x000000001DC00000-0x000000001DD1E000-memory.dmp

      Filesize

      1.1MB

    • memory/1396-49-0x0000000002DC0000-0x0000000002DCC000-memory.dmp

      Filesize

      48KB

    • memory/3148-28-0x0000027BD3AA0000-0x0000027BD3AA8000-memory.dmp

      Filesize

      32KB

    • memory/3148-26-0x00007FFE59E73000-0x00007FFE59E75000-memory.dmp

      Filesize

      8KB

    • memory/4460-1-0x0000000077746000-0x0000000077748000-memory.dmp

      Filesize

      8KB

    • memory/4460-32-0x0000000000400000-0x00000000021E4000-memory.dmp

      Filesize

      29.9MB

    • memory/4460-0-0x0000000000400000-0x00000000021E4000-memory.dmp

      Filesize

      29.9MB