Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 19:03

General

  • Target
    16d6aa1d5a78eaf9b428c0f58378d22f0e8b7d4c142b79bbe23af421729ac6f4.dll
  • Size 1.1MB
  • Sample240502-xqteesea7z
  • SHA256 16d6aa1d5a78eaf9b428c0f58378d22f0e8b7d4c142b79bbe23af421729ac6f4
  • MD5 SHA1 SHA512 SSDEEP

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 9 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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 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\16d6aa1d5a78eaf9b428c0f58378d22f0e8b7d4c142b79bbe23af421729ac6f4.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3400
  • C:\Windows\system32\dccw.exe
    C:\Windows\system32\dccw.exe
    1⤵
      PID:3464
    • C:\Users\Admin\AppData\Local\aoQt\dccw.exe
      C:\Users\Admin\AppData\Local\aoQt\dccw.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4204
    • C:\Windows\system32\mblctr.exe
      C:\Windows\system32\mblctr.exe
      1⤵
        PID:5036
      • C:\Users\Admin\AppData\Local\B3r\mblctr.exe
        C:\Users\Admin\AppData\Local\B3r\mblctr.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3116
      • C:\Windows\system32\wlrmdr.exe
        C:\Windows\system32\wlrmdr.exe
        1⤵
          PID:2248
        • C:\Users\Admin\AppData\Local\8w3iAx7\wlrmdr.exe
          C:\Users\Admin\AppData\Local\8w3iAx7\wlrmdr.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4520

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\8w3iAx7\DUI70.dll
              • Size 1.3MB
              • SHA256 8651bc19c8758d01db444932a5b77e5731e7a7ca40262330a02c43a44be90ddf
              • MD5 SHA1 SHA512 SSDEEP

              wlrmdr.exe

              • Path C:\Users\Admin\AppData\Local\8w3iAx7\wlrmdr.exe
              • Size 66KB
              • SHA256 2fda95aafb2e9284c730bf912b93f60a75b151941adc14445ed1e056140325b1
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\B3r\WTSAPI32.dll
              • Size 1.1MB
              • SHA256 1aed220ddccf5e790c6ab1feedee54152363ab923795923e5aa099bbe3950ab0
              • MD5 SHA1 SHA512 SSDEEP

              mblctr.exe

              • Path C:\Users\Admin\AppData\Local\B3r\mblctr.exe
              • Size 790KB
              • SHA256 3baa1dc0756ebb0c2c70a31be7147863d8d8ba056c1aa7f979307f8790d1ff69
              • MD5 SHA1 SHA512 SSDEEP

              dccw.exe

              • Path C:\Users\Admin\AppData\Local\aoQt\dccw.exe
              • Size 101KB
              • SHA256 f7f3300b78148a34f6a35796c777a832b638b6d3193e11f4a37f45d4c6dfa845
              • MD5 SHA1 SHA512 SSDEEP

              dxva2.dll

              • Path C:\Users\Admin\AppData\Local\aoQt\dxva2.dll
              • Size 1.1MB
              • SHA256 d3933aa68fe010b563cc2685ccf1ac9953a14677f89bcfbecf709badd535e2d9
              • MD5 SHA1 SHA512 SSDEEP

              Ehesgegqlj.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ehesgegqlj.lnk
              • Size 1KB
              • SHA256 4d259adbc912bd1cdbc99d1812e7e9d8b6dd5934e77439c6f0a7b5addf37f3f4
              • MD5 SHA1 SHA512

              memory/3116-79-0x0000000140000000-0x000000014010F000-memory.dmp

              memory/3116-78-0x0000026A1A8C0000-0x0000026A1A8C7000-memory.dmp

              memory/3400-0-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3400-2-0x0000024440DC0000-0x0000024440DC7000-memory.dmp

              memory/3400-53-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-28-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-22-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-26-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-25-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-24-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-23-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-19-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-18-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-17-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-16-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-15-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-14-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-12-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-11-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-10-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-9-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-8-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-7-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-29-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-27-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-20-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-6-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-39-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-40-0x00007FF84D4A0000-0x00007FF84D4B0000-memory.dmp

              memory/3456-41-0x00007FF84D490000-0x00007FF84D4A0000-memory.dmp

              memory/3456-5-0x00007FF84B70A000-0x00007FF84B70B000-memory.dmp

              memory/3456-3-0x0000000002870000-0x0000000002871000-memory.dmp

              memory/3456-13-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-50-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-38-0x00000000022F0000-0x00000000022F7000-memory.dmp

              memory/3456-30-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/3456-21-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/4204-65-0x0000000140000000-0x000000014010F000-memory.dmp

              memory/4204-60-0x0000000140000000-0x000000014010F000-memory.dmp

              memory/4204-62-0x0000024B02CD0000-0x0000024B02CD7000-memory.dmp

              memory/4520-94-0x0000020AC9E80000-0x0000020AC9E87000-memory.dmp

              memory/4520-92-0x0000000140000000-0x0000000140154000-memory.dmp

              memory/4520-97-0x0000000140000000-0x0000000140154000-memory.dmp