Analysis

  • max time kernel
    111s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 11:58

General

  • Target

    ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc.exe

  • Size

    2.2MB

  • MD5

    45cb74ad7ebd0637a4b609112c8f96f9

  • SHA1

    ef8e449bcffb09a29793d055432158adf99ede19

  • SHA256

    ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc

  • SHA512

    3b246c3fe90fdf60b8721bcee0739175dc4d85a6225102332499699b839d9c2c8421075963756e4d1270b0d85ba514ac5447f7ca2663d10d4ef61756b2f48705

  • SSDEEP

    49152:pwVOQu1H2GzN27U+wBZEki4BrRG8QEAUpq936T9EQeiaWJFtpraJF:pKoHGgBZu4fQEFk9+9ElWsF

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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc.exe
    "C:\Users\Admin\AppData\Local\Temp\ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    PID:4964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4964-135-0x0000000000400000-0x0000000000EF4000-memory.dmp

    Filesize

    11.0MB

  • memory/4964-136-0x0000000000400000-0x0000000000EF4000-memory.dmp

    Filesize

    11.0MB

  • memory/4964-137-0x0000000000400000-0x0000000000EF4000-memory.dmp

    Filesize

    11.0MB

  • memory/4964-138-0x0000000007420000-0x00000000079C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4964-139-0x0000000007A10000-0x0000000007AA2000-memory.dmp

    Filesize

    584KB

  • memory/4964-140-0x0000000008030000-0x000000000803A000-memory.dmp

    Filesize

    40KB

  • memory/4964-141-0x0000000000400000-0x0000000000EF4000-memory.dmp

    Filesize

    11.0MB

  • memory/4964-142-0x0000000000400000-0x0000000000EF4000-memory.dmp

    Filesize

    11.0MB