Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 23:54

General

  • Target

    7dab476be2380a0836602d2fab4c22ed7a79f2cdb8339b0a5f518dd464915082.exe

  • Size

    2.5MB

  • MD5

    b3853be45e0b9a932cfbd7e560a8480d

  • SHA1

    e34f75fc6b7f6f8978e814d123fadc6ea01b38cc

  • SHA256

    7dab476be2380a0836602d2fab4c22ed7a79f2cdb8339b0a5f518dd464915082

  • SHA512

    f476081140204c578f18bb4fb22c490bb8e4518d9b7f23523dd7a08f31e9b8e904f28d12f0ddabe20209453a4b0c563a17853c416a580617492ec0f60ab080d1

  • SSDEEP

    49152:hxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxc:hxx9NUFkQx753uWuCyyxc

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Detects executables packed with Themida 16 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 16 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\7dab476be2380a0836602d2fab4c22ed7a79f2cdb8339b0a5f518dd464915082.exe
    "C:\Users\Admin\AppData\Local\Temp\7dab476be2380a0836602d2fab4c22ed7a79f2cdb8339b0a5f518dd464915082.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:3300
    • \??\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:2808
      • \??\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:2832
        • \??\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:3864
          • \??\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:1316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    2.5MB

    MD5

    33d14f1ba4c9daf120a1e2d3426b6e10

    SHA1

    1565f3ce9df4ab7f94c2a79699546bfe9536d76b

    SHA256

    6fd03faabd30c18c22a3937b73b5dc7c4941a273936924e8ed32d446c06cc955

    SHA512

    f83800a3eca7923b8188d3c3d73466ea5d7457df248fa17a497cda7c4f7cb35ac9347809f70e600b50635ebaae61ace19a1995ab904ef3717f93b68def243529

  • C:\Windows\Resources\spoolsv.exe
    Filesize

    2.5MB

    MD5

    3e0c664cdd06a38dda12f0ca39a3376f

    SHA1

    2cb4e06e90794a15a5fb05e351f6c45a8258545c

    SHA256

    c9a12307bcc1731e81cdd719629d28286bb015c546c231aaf03fdaf5c8ec8b92

    SHA512

    3215ea1caf868a6b593ddbcbbf4910d720c1861e9fdd8b0065d106d0ea381bcc1d85c7ef2c74a727a2e29645294a5195078b46094cfc643f41a0f5a08258f46d

  • C:\Windows\Resources\svchost.exe
    Filesize

    2.5MB

    MD5

    bb34b2fad13dcb8bf4329ed329b3c791

    SHA1

    290295575e36da151c026998928f56c3c52aa8ca

    SHA256

    b7d76c63f5bd86ae8601cd7563ad901bbb22b2f50969c906f513e8109f8b0341

    SHA512

    65434436da6a5c108ce1f356a22895138854ee06b906c6d442621020208f63d88a68b12d99872c3ece87de9b92ae654bea6b89f6b9555e4ade5b70cb3ada6155

  • memory/1316-33-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/1316-39-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/2808-54-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/2808-10-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/2808-45-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/2808-62-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/2832-19-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/2832-41-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/3300-1-0x0000000077A74000-0x0000000077A76000-memory.dmp
    Filesize

    8KB

  • memory/3300-0-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/3300-42-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/3864-28-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/3864-44-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB

  • memory/3864-65-0x0000000000400000-0x0000000000A0E000-memory.dmp
    Filesize

    6.1MB