Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 23:11

General

  • Target

    7768918b6c0ab44064d4a829d26c6d11f91758b811a3b90d7fe640be68ac1a85.exe

  • Size

    2.6MB

  • MD5

    4aa875b1be4356246752177bba5c1341

  • SHA1

    2c76d87822d015a0a6b3c3b934d57c06b11c8177

  • SHA256

    7768918b6c0ab44064d4a829d26c6d11f91758b811a3b90d7fe640be68ac1a85

  • SHA512

    c31b4bdbcbfae3f64ae04d7353157e2ecc4f01681d038df5288b81adffae991d5351d158af5bdfe273dace23c27c073cf498359f348dafbca108e10962e96807

  • SSDEEP

    49152:lS5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/YB:lS5G4DOT5JGIVzh/5aZX0zgd0IZGpws

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Detects executables packed with Themida 18 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Themida packer 18 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 5 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7768918b6c0ab44064d4a829d26c6d11f91758b811a3b90d7fe640be68ac1a85.exe
    "C:\Users\Admin\AppData\Local\Temp\7768918b6c0ab44064d4a829d26c6d11f91758b811a3b90d7fe640be68ac1a85.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
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2848
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1528
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4948
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4876
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:3296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Resources\Themes\explorer.exe

    Filesize

    2.6MB

    MD5

    fbf1e3a71749e266c2f43b0e002ed479

    SHA1

    725822836409a35f30436ceb55ad8c68f4021a08

    SHA256

    6000f7078cdd0286a2d98e614fd88c334057df28aef35f8061da7affba4f84e2

    SHA512

    bc6cec605abcda9d8f6659d8d2aae7f5014738c184810c007cdd42b2660474f4460dd1b365ce2584bfc26680dd7c27f2447a16038eda16001196b82402d30380

  • C:\Windows\Resources\spoolsv.exe

    Filesize

    2.6MB

    MD5

    6c04404cc452f7f141961f8d2b02345a

    SHA1

    47db8451c5478f798684fd0985ba70944b3de408

    SHA256

    e962c4457cfa53bc1faf5d3c6b0c8a55aa797af433062995df3d24221287ca6c

    SHA512

    6224c0f36db4c72fc2335e518d84db8042dc77059b726d7ca8c177ad5a6cdf97a0f63e7d8c95b6b11bcd3cdf2642b458724adbc64557b348c584b085be05cccf

  • C:\Windows\Resources\svchost.exe

    Filesize

    2.6MB

    MD5

    b793c7eeb34976939bd7c67dc2dee7bc

    SHA1

    1c5e8cc36f5341bddefd67629fb3b37250398d09

    SHA256

    93af98940742ea90adb6f708e197523a7c88856918812c71452b077c88bcd4e6

    SHA512

    2ce9d69d7e4fc3f3af97e84583504463063a0544f9167adc91c458079073ab4e7969cb66b44a34c99485c3dbada1cbd136f8df9812bd012207ad52f82dc5d844

  • memory/1528-43-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/1528-55-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/1528-63-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/1528-10-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/1528-61-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/2848-1-0x0000000077EC4000-0x0000000077EC6000-memory.dmp

    Filesize

    8KB

  • memory/2848-42-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/2848-0-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/3296-33-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/3296-39-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4876-28-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4876-50-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4876-52-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4876-44-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4948-40-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4948-19-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB