Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 07:26

General

  • Target

    5c73ce8acd26a01655041010b2d4ff6a.dll

  • Size

    848KB

  • MD5

    5c73ce8acd26a01655041010b2d4ff6a

  • SHA1

    d8781699300176bbbbd36489a1c82725c33edcb1

  • SHA256

    03691ec0a206c672022cbf25d02a4b0ab1f67bd6acf5782de498977d88e41474

  • SHA512

    9d73f66eb48fa1265751d612ac745f97780d97361b4ab864b8e9f37cbe3eb801fd85857191e0d0bfc10ec0add00e892a5b7a8c1b27ea5d378e277b713fbe384b

  • SSDEEP

    12288:3kbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/R:3kbHkWfzZ5adwLNGeStHntqN7v

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.

  • Dridex payload 10 IoCs

    Detects Dridex x64 core DLL in memory.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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\5c73ce8acd26a01655041010b2d4ff6a.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4332
  • C:\Users\Admin\AppData\Local\sWNt\rdpclip.exe
    C:\Users\Admin\AppData\Local\sWNt\rdpclip.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks whether UAC is enabled
    PID:2264
  • C:\Windows\system32\rdpclip.exe
    C:\Windows\system32\rdpclip.exe
    1⤵
      PID:3632
    • C:\Users\Admin\AppData\Local\gBDkrt3qY\ApplicationFrameHost.exe
      C:\Users\Admin\AppData\Local\gBDkrt3qY\ApplicationFrameHost.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2020
    • C:\Windows\system32\ApplicationFrameHost.exe
      C:\Windows\system32\ApplicationFrameHost.exe
      1⤵
        PID:636
      • C:\Windows\system32\psr.exe
        C:\Windows\system32\psr.exe
        1⤵
          PID:752
        • C:\Users\Admin\AppData\Local\EmvH\psr.exe
          C:\Users\Admin\AppData\Local\EmvH\psr.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4504

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2020-65-0x00007FF8D2650000-0x00007FF8D2725000-memory.dmp

          Filesize

          852KB

        • memory/2020-64-0x000001D34C5B0000-0x000001D34C5B7000-memory.dmp

          Filesize

          28KB

        • memory/2020-69-0x00007FF8D2650000-0x00007FF8D2725000-memory.dmp

          Filesize

          852KB

        • memory/2264-53-0x00007FF8D2760000-0x00007FF8D2836000-memory.dmp

          Filesize

          856KB

        • memory/2264-48-0x00007FF8D2760000-0x00007FF8D2836000-memory.dmp

          Filesize

          856KB

        • memory/2264-50-0x000001DBF1370000-0x000001DBF1377000-memory.dmp

          Filesize

          28KB

        • memory/3512-28-0x00007FF8E0F80000-0x00007FF8E0F90000-memory.dmp

          Filesize

          64KB

        • memory/3512-9-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-3-0x0000000003120000-0x0000000003121000-memory.dmp

          Filesize

          4KB

        • memory/3512-27-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-18-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-17-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-16-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-15-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-14-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-13-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-12-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-11-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-8-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-38-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-7-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-6-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-5-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/3512-10-0x00007FF8DF6AA000-0x00007FF8DF6AB000-memory.dmp

          Filesize

          4KB

        • memory/3512-29-0x00007FF8E0F70000-0x00007FF8E0F80000-memory.dmp

          Filesize

          64KB

        • memory/3512-21-0x0000000003060000-0x0000000003067000-memory.dmp

          Filesize

          28KB

        • memory/3512-19-0x0000000140000000-0x00000001400D4000-memory.dmp

          Filesize

          848KB

        • memory/4332-41-0x00007FF8D2900000-0x00007FF8D29D4000-memory.dmp

          Filesize

          848KB

        • memory/4332-0-0x00007FF8D2900000-0x00007FF8D29D4000-memory.dmp

          Filesize

          848KB

        • memory/4332-1-0x000002913C1B0000-0x000002913C1B7000-memory.dmp

          Filesize

          28KB

        • memory/4504-80-0x000001BE4DD20000-0x000001BE4DD27000-memory.dmp

          Filesize

          28KB

        • memory/4504-85-0x00007FF8D2650000-0x00007FF8D2725000-memory.dmp

          Filesize

          852KB