Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-02-2022 06:30

General

  • Target

    bff57d0db80ce0c76d7bed268ba84aa395bc2ad41a47c45c8292bf2a52d072db.exe

  • Size

    2.7MB

  • MD5

    33944a9e78b81f8daf8589fde57a6ab0

  • SHA1

    4f26c57770dc8745e7b31e973ed9bd810f9dd34f

  • SHA256

    bff57d0db80ce0c76d7bed268ba84aa395bc2ad41a47c45c8292bf2a52d072db

  • SHA512

    1ff156a3817a3fba52de59b7243bb8fd5a6fc5d7c1405c8c44fcd5cad01053cc739579b8f57a56c87914a1cfb6effe5e465c069f4c7b9009062af3af26d4ffd3

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\bff57d0db80ce0c76d7bed268ba84aa395bc2ad41a47c45c8292bf2a52d072db.exe
    "C:\Users\Admin\AppData\Local\Temp\bff57d0db80ce0c76d7bed268ba84aa395bc2ad41a47c45c8292bf2a52d072db.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:1212
    • 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:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    33944a9e78b81f8daf8589fde57a6ab0

    SHA1

    4f26c57770dc8745e7b31e973ed9bd810f9dd34f

    SHA256

    bff57d0db80ce0c76d7bed268ba84aa395bc2ad41a47c45c8292bf2a52d072db

    SHA512

    1ff156a3817a3fba52de59b7243bb8fd5a6fc5d7c1405c8c44fcd5cad01053cc739579b8f57a56c87914a1cfb6effe5e465c069f4c7b9009062af3af26d4ffd3

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

    33944a9e78b81f8daf8589fde57a6ab0

    SHA1

    4f26c57770dc8745e7b31e973ed9bd810f9dd34f

    SHA256

    bff57d0db80ce0c76d7bed268ba84aa395bc2ad41a47c45c8292bf2a52d072db

    SHA512

    1ff156a3817a3fba52de59b7243bb8fd5a6fc5d7c1405c8c44fcd5cad01053cc739579b8f57a56c87914a1cfb6effe5e465c069f4c7b9009062af3af26d4ffd3

  • memory/1212-54-0x0000000076C91000-0x0000000076C93000-memory.dmp
    Filesize

    8KB

  • memory/1212-55-0x0000000000CE0000-0x00000000013DD000-memory.dmp
    Filesize

    7.0MB

  • memory/1212-57-0x0000000000CE0000-0x00000000013DD000-memory.dmp
    Filesize

    7.0MB

  • memory/1212-56-0x0000000077CF0000-0x0000000077CF2000-memory.dmp
    Filesize

    8KB

  • memory/1212-58-0x0000000000CE0000-0x00000000013DD000-memory.dmp
    Filesize

    7.0MB

  • memory/2032-62-0x0000000000CE0000-0x00000000013DD000-memory.dmp
    Filesize

    7.0MB

  • memory/2032-63-0x0000000000CE0000-0x00000000013DD000-memory.dmp
    Filesize

    7.0MB

  • memory/2032-64-0x0000000000CE0000-0x00000000013DD000-memory.dmp
    Filesize

    7.0MB