Analysis

  • max time kernel
    138s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 15:41

General

  • Target

    ddbbe63a86fa196d739928c165f32cac.dll

  • Size

    1.7MB

  • MD5

    ddbbe63a86fa196d739928c165f32cac

  • SHA1

    6762a54f563ac149a70487d45c9f2b0146a0f38b

  • SHA256

    2a9d2e3b8a8a847b49653f88fa4da14ef6798706f216af7a739f157dec5746ea

  • SHA512

    2b5a7c5ebd2bf153101df35a4656600d419e7e889cf61ac44b503c13be6b84c986b70ea00cf1d4ac72504f9d128477e0dae2697330f1635dceb807a876993430

  • SSDEEP

    12288:1VI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:sfP7fWsK5z9A+WGAW+V5SB6Ct4bnb

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddbbe63a86fa196d739928c165f32cac.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2144
  • C:\Users\Admin\AppData\Local\t7TB0xUB\wextract.exe
    C:\Users\Admin\AppData\Local\t7TB0xUB\wextract.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks whether UAC is enabled
    PID:2616
  • C:\Windows\system32\wextract.exe
    C:\Windows\system32\wextract.exe
    1⤵
      PID:2876
    • C:\Users\Admin\AppData\Local\TDeD4N7BX\lpksetup.exe
      C:\Users\Admin\AppData\Local\TDeD4N7BX\lpksetup.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2796
    • C:\Windows\system32\lpksetup.exe
      C:\Windows\system32\lpksetup.exe
      1⤵
        PID:2920
      • C:\Users\Admin\AppData\Local\hcA\calc.exe
        C:\Users\Admin\AppData\Local\hcA\calc.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:812
      • C:\Windows\system32\calc.exe
        C:\Windows\system32\calc.exe
        1⤵
          PID:2160

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1232-31-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-41-0x0000000002D10000-0x0000000002D17000-memory.dmp

          Filesize

          28KB

        • memory/1232-9-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-15-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-30-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-40-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-29-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-42-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-53-0x0000000077330000-0x0000000077332000-memory.dmp

          Filesize

          8KB

        • memory/1232-50-0x00000000771D1000-0x00000000771D2000-memory.dmp

          Filesize

          4KB

        • memory/1232-49-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-60-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-66-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-70-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-39-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-38-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-153-0x0000000076FC6000-0x0000000076FC7000-memory.dmp

          Filesize

          4KB

        • memory/1232-28-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-4-0x0000000076FC6000-0x0000000076FC7000-memory.dmp

          Filesize

          4KB

        • memory/1232-35-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-36-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-34-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-33-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-32-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-37-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-5-0x0000000002D60000-0x0000000002D61000-memory.dmp

          Filesize

          4KB

        • memory/1232-7-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-27-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-26-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-25-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-24-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-23-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-22-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-21-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-10-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-11-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-12-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-13-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-20-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-19-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-18-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-17-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-16-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/1232-14-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/2144-8-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/2144-1-0x0000000000120000-0x0000000000127000-memory.dmp

          Filesize

          28KB

        • memory/2144-0-0x0000000140000000-0x00000001401B5000-memory.dmp

          Filesize

          1.7MB

        • memory/2616-78-0x0000000140000000-0x00000001401B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2616-80-0x0000000000100000-0x0000000000107000-memory.dmp

          Filesize

          28KB

        • memory/2616-83-0x0000000140000000-0x00000001401B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2796-105-0x0000000000280000-0x0000000000287000-memory.dmp

          Filesize

          28KB