Analysis

  • max time kernel
    31s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2023 09:33

General

  • Target

    客户端(Client)_KEY.exe

  • Size

    1.2MB

  • MD5

    b0aacc897731ccf1adee875390c6cfcf

  • SHA1

    494182a125ce93921252c79f155d4c10db049899

  • SHA256

    e182e12f86fcc70e57c6ed760c5789e6c1a08dac5b4bfb005509c1a7038e9990

  • SHA512

    b3f8f4793d9b00f1015ea0f9a77a0cf6672fc700036781adf5d5e4c559573f191d4ef982e57e964f7ad107664995d6f5cab6bd20d81f9f6f592602468fab2eab

  • SSDEEP

    24576:4zOhmv9L5ldZz5NLDvHvK2OZkh0y634ek4cKWd6JqjzD8E:wZHzz6y63Jk4bg0VE

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\客户端(Client)_KEY.exe
    "C:\Users\Admin\AppData\Local\Temp\客户端(Client)_KEY.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1724-54-0x0000000000400000-0x00000000006DF000-memory.dmp

    Filesize

    2.9MB

  • memory/1724-56-0x0000000004270000-0x0000000004271000-memory.dmp

    Filesize

    4KB

  • memory/1724-55-0x0000000004290000-0x0000000004291000-memory.dmp

    Filesize

    4KB

  • memory/1724-58-0x00000000042E0000-0x00000000042E1000-memory.dmp

    Filesize

    4KB

  • memory/1724-57-0x0000000004310000-0x0000000004311000-memory.dmp

    Filesize

    4KB

  • memory/1724-60-0x00000000042B0000-0x00000000042B1000-memory.dmp

    Filesize

    4KB

  • memory/1724-59-0x0000000004220000-0x0000000004221000-memory.dmp

    Filesize

    4KB

  • memory/1724-62-0x0000000004330000-0x0000000004331000-memory.dmp

    Filesize

    4KB

  • memory/1724-61-0x0000000004240000-0x0000000004242000-memory.dmp

    Filesize

    8KB

  • memory/1724-66-0x0000000004230000-0x0000000004231000-memory.dmp

    Filesize

    4KB

  • memory/1724-65-0x0000000004250000-0x0000000004251000-memory.dmp

    Filesize

    4KB

  • memory/1724-64-0x0000000004210000-0x0000000004211000-memory.dmp

    Filesize

    4KB

  • memory/1724-63-0x0000000004260000-0x0000000004261000-memory.dmp

    Filesize

    4KB

  • memory/1724-68-0x0000000004280000-0x0000000004281000-memory.dmp

    Filesize

    4KB

  • memory/1724-67-0x00000000042F0000-0x00000000042F1000-memory.dmp

    Filesize

    4KB

  • memory/1724-70-0x0000000004300000-0x0000000004301000-memory.dmp

    Filesize

    4KB

  • memory/1724-69-0x0000000004320000-0x0000000004321000-memory.dmp

    Filesize

    4KB

  • memory/1724-72-0x0000000004350000-0x0000000004351000-memory.dmp

    Filesize

    4KB

  • memory/1724-71-0x00000000043C0000-0x00000000043C1000-memory.dmp

    Filesize

    4KB

  • memory/1724-74-0x00000000043A0000-0x00000000043A1000-memory.dmp

    Filesize

    4KB

  • memory/1724-73-0x0000000004390000-0x0000000004391000-memory.dmp

    Filesize

    4KB

  • memory/1724-76-0x00000000042A0000-0x00000000042A1000-memory.dmp

    Filesize

    4KB

  • memory/1724-75-0x00000000043B0000-0x00000000043B1000-memory.dmp

    Filesize

    4KB

  • memory/1724-78-0x0000000000400000-0x00000000006DF000-memory.dmp

    Filesize

    2.9MB