Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01-06-2024 21:39

General

  • Target

    sillyboost_cracked_v1/crack.dll

  • Size

    4.9MB

  • MD5

    d8131fd472e3f921dca592b6c0872c26

  • SHA1

    3be46fc189d169673e3f8779128b42f17be131d3

  • SHA256

    e923fb5d56d8f8f7bb2f0b11be779ca5d87164c536d9f8c0c24a89b52a372c06

  • SHA512

    9fa8978e2f6549b56cc077e8d857cbc5e106cb9da0cef976326110ce0f6dee11ca0fe72751e63d862e42cad80508a0747377e08b72cc4faaa9f614381ebdf6a9

  • SSDEEP

    98304:bd1z1vEYCYWcv4DoirkjuQM/OMc7/2QIqLAIOiqrr8HfdmjLdGGf:bdx1vMlDEXMc7MqcIOjH8O

Score
9/10

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\sillyboost_cracked_v1\crack.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2380 -s 116
      2⤵
        PID:2348

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2380-0-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-2-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-4-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-3-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-6-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-1-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-5-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB

    • memory/2380-7-0x0000000072CE0000-0x00000000736B3000-memory.dmp
      Filesize

      9.8MB