Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 10:09

General

  • Target

    Frombyte_Recovery_For_DV/Frombyte Recovery For DV v2.1.exe

  • Size

    3.2MB

  • MD5

    15b7315f45b00e4930407b0f4df5a00a

  • SHA1

    097c7c51e78c8c6240edfe8e3d9f6563d2155bf8

  • SHA256

    1e89c1cdf921f125b3a41973036372b5aad7118509b2efec6bf8285356afabb5

  • SHA512

    c5051801027f2cc317379da1fc3cd3938cdc14503b0c5e436f3a63ec0d9043f480572b4ff25c4d6a2ff981328ec75b58c9e7de0c4f2710803a6a0060cd64eb9c

  • SSDEEP

    98304:dWpNg4lf34NoV8yZfVn4C7DWuFyM1Pw9CuvZ+:yNgmI+VhVn4ID1mCuvZ+

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 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.

  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Frombyte_Recovery_For_DV\Frombyte Recovery For DV v2.1.exe
    "C:\Users\Admin\AppData\Local\Temp\Frombyte_Recovery_For_DV\Frombyte Recovery For DV v2.1.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2152
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 992
      2⤵
      • Program crash
      PID:3488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 1000
      2⤵
      • Program crash
      PID:4824
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2152 -ip 2152
    1⤵
      PID:3584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2152 -ip 2152
      1⤵
        PID:924

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2152-0-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB

      • memory/2152-2-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

        Filesize

        4KB

      • memory/2152-1-0x0000000000CE0000-0x0000000000E74000-memory.dmp

        Filesize

        1.6MB

      • memory/2152-3-0x00000000774F4000-0x00000000774F6000-memory.dmp

        Filesize

        8KB

      • memory/2152-4-0x0000000000401000-0x0000000000470000-memory.dmp

        Filesize

        444KB

      • memory/2152-5-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB

      • memory/2152-6-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB

      • memory/2152-7-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB

      • memory/2152-8-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB

      • memory/2152-9-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB

      • memory/2152-10-0x0000000000400000-0x0000000000A98000-memory.dmp

        Filesize

        6.6MB