Analysis

  • max time kernel
    118s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 23:28

General

  • Target

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a.exe

  • Size

    2.6MB

  • MD5

    c794262c17250a3760186c2d1f72a84c

  • SHA1

    9d07fdc5250ec7beffd08dc0b18a4a5cea7bfeea

  • SHA256

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a

  • SHA512

    1d129bd4175fc122c2678534b0a0274ef32fd683620a979af666c19693d37a79b001630e9bcb60873cdc5a62c8c1ba3cadaea1563ba330eb71fdf347902750b0

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 1 IoCs
  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a.exe
    "C:\Users\Admin\AppData\Local\Temp\e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      PID:692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    c794262c17250a3760186c2d1f72a84c

    SHA1

    9d07fdc5250ec7beffd08dc0b18a4a5cea7bfeea

    SHA256

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a

    SHA512

    1d129bd4175fc122c2678534b0a0274ef32fd683620a979af666c19693d37a79b001630e9bcb60873cdc5a62c8c1ba3cadaea1563ba330eb71fdf347902750b0

  • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    c794262c17250a3760186c2d1f72a84c

    SHA1

    9d07fdc5250ec7beffd08dc0b18a4a5cea7bfeea

    SHA256

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a

    SHA512

    1d129bd4175fc122c2678534b0a0274ef32fd683620a979af666c19693d37a79b001630e9bcb60873cdc5a62c8c1ba3cadaea1563ba330eb71fdf347902750b0

  • memory/692-63-0x00000000010B0000-0x0000000001793000-memory.dmp
    Filesize

    6.9MB

  • memory/692-64-0x00000000010B0000-0x0000000001793000-memory.dmp
    Filesize

    6.9MB

  • memory/692-65-0x00000000010B0000-0x0000000001793000-memory.dmp
    Filesize

    6.9MB

  • memory/1224-55-0x0000000075421000-0x0000000075423000-memory.dmp
    Filesize

    8KB

  • memory/1224-56-0x0000000000AD0000-0x00000000011B3000-memory.dmp
    Filesize

    6.9MB

  • memory/1224-57-0x0000000000AD0000-0x00000000011B3000-memory.dmp
    Filesize

    6.9MB

  • memory/1224-58-0x0000000000AD0000-0x00000000011B3000-memory.dmp
    Filesize

    6.9MB

  • memory/1224-59-0x00000000770F0000-0x00000000770F2000-memory.dmp
    Filesize

    8KB