Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 17:05

General

  • Target

    fb1badc1eca5035ae1b98513d0cfef32.dll

  • Size

    2.8MB

  • MD5

    fb1badc1eca5035ae1b98513d0cfef32

  • SHA1

    86c4360f82192f01f05460d7ec2c70ebe8682ef1

  • SHA256

    a5c474972a6ac68a91e311ba343163c82cd7762e663ddf5b030c5bae06d1e9eb

  • SHA512

    d863d9e1b7c5b2a57de8992797fc09357c6af64611bb05af78fa37bd5db7179b77c32267c7ee39c3c7cf4923369ee067493f1849e0a08bcf93c67efe83eb8254

  • SSDEEP

    12288:YVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:NfP7fWsK5z9A+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 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\fb1badc1eca5035ae1b98513d0cfef32.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2024
  • C:\Users\Admin\AppData\Local\RrnBa\SnippingTool.exe
    C:\Users\Admin\AppData\Local\RrnBa\SnippingTool.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks whether UAC is enabled
    PID:4516
  • C:\Windows\system32\Dxpserver.exe
    C:\Windows\system32\Dxpserver.exe
    1⤵
      PID:400
    • C:\Users\Admin\AppData\Local\lfiHlTu\DWWIN.EXE
      C:\Users\Admin\AppData\Local\lfiHlTu\DWWIN.EXE
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:3948
    • C:\Windows\system32\DWWIN.EXE
      C:\Windows\system32\DWWIN.EXE
      1⤵
        PID:3524
      • C:\Users\Admin\AppData\Local\TzCq8\Dxpserver.exe
        C:\Users\Admin\AppData\Local\TzCq8\Dxpserver.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1472
      • C:\Windows\system32\SnippingTool.exe
        C:\Windows\system32\SnippingTool.exe
        1⤵
          PID:2148

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1472-85-0x000001A4FFFA0000-0x000001A4FFFA7000-memory.dmp

          Filesize

          28KB

        • memory/1472-89-0x0000000140000000-0x00000001402C7000-memory.dmp

          Filesize

          2.8MB

        • memory/2024-0-0x000001816F020000-0x000001816F027000-memory.dmp

          Filesize

          28KB

        • memory/2024-1-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/2024-8-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-38-0x0000000000A70000-0x0000000000A77000-memory.dmp

          Filesize

          28KB

        • memory/3492-19-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-25-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-30-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-35-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-37-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-16-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-45-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-46-0x00007FFFD5F80000-0x00007FFFD5F90000-memory.dmp

          Filesize

          64KB

        • memory/3492-57-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-55-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-4-0x0000000002920000-0x0000000002921000-memory.dmp

          Filesize

          4KB

        • memory/3492-7-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-5-0x00007FFFD5D1A000-0x00007FFFD5D1B000-memory.dmp

          Filesize

          4KB

        • memory/3492-11-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-9-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-12-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-10-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-36-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-34-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-33-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-32-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-31-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-29-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-28-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-27-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-26-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-24-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-23-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-22-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-21-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-20-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-18-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-17-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-15-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-13-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3492-14-0x0000000140000000-0x00000001402C6000-memory.dmp

          Filesize

          2.8MB

        • memory/3948-102-0x000001A50F4F0000-0x000001A50F4F7000-memory.dmp

          Filesize

          28KB

        • memory/3948-106-0x0000000140000000-0x00000001402C7000-memory.dmp

          Filesize

          2.8MB

        • memory/4516-66-0x00000154196E0000-0x00000154196E7000-memory.dmp

          Filesize

          28KB

        • memory/4516-67-0x0000000140000000-0x00000001402C7000-memory.dmp

          Filesize

          2.8MB

        • memory/4516-72-0x0000000140000000-0x00000001402C7000-memory.dmp

          Filesize

          2.8MB