Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 13:00

General

  • Target
    1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741.dll
  • Size 768KB
  • Sample240310-p83f2sdb47
  • SHA256 1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741
  • 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 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1cd678461d02d6ad8f39a31ed0f22fc9869772e9370de3be2fc25639b7cc7741.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4944
  • C:\Windows\system32\dccw.exe
    C:\Windows\system32\dccw.exe
    1⤵
      PID:720
    • C:\Users\Admin\AppData\Local\8eGGEZHFU\dccw.exe
      C:\Users\Admin\AppData\Local\8eGGEZHFU\dccw.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:3308
    • C:\Windows\system32\rdpclip.exe
      C:\Windows\system32\rdpclip.exe
      1⤵
        PID:764
      • C:\Users\Admin\AppData\Local\QurKBK\rdpclip.exe
        C:\Users\Admin\AppData\Local\QurKBK\rdpclip.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3240
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe
        1⤵
          PID:3304
        • C:\Users\Admin\AppData\Local\A8KSR\printfilterpipelinesvc.exe
          C:\Users\Admin\AppData\Local\A8KSR\printfilterpipelinesvc.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3680
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2916 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:4708

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                dccw.exe

                • Path C:\Users\Admin\AppData\Local\8eGGEZHFU\dccw.exe
                • Size 101KB
                • SHA256 f7f3300b78148a34f6a35796c777a832b638b6d3193e11f4a37f45d4c6dfa845
                • MD5 SHA1 SHA512 SSDEEP

                dxva2.dll

                • Path C:\Users\Admin\AppData\Local\8eGGEZHFU\dxva2.dll
                • Size 772KB
                • SHA256 eea2ecebdc7dbb1daf6643509ccd0530930d3f7db15436974e0cb4a67a50a65b
                • MD5 SHA1 SHA512 SSDEEP

                XmlLite.dll

                • Path C:\Users\Admin\AppData\Local\A8KSR\XmlLite.dll
                • Size 772KB
                • SHA256 01e5b8875d56acf293f9023683a8b6d2ce7ecb03caff4ba7d0d511d43ce01485
                • MD5 SHA1 SHA512 SSDEEP

                printfilterpipelinesvc.exe

                • Path C:\Users\Admin\AppData\Local\A8KSR\printfilterpipelinesvc.exe
                • Size 813KB
                • SHA256 105099819555ed87ef3dab70a2eaf2cb61076f453266cec57ffccb8f4c00df88
                • MD5 SHA1 SHA512 SSDEEP

                WINSTA.dll

                • Path C:\Users\Admin\AppData\Local\QurKBK\WINSTA.dll
                • Size 776KB
                • SHA256 f6d6a4432bb0639b5322f12f58cf65cede109e97861fd37032a409b798654168
                • MD5 SHA1 SHA512 SSDEEP

                rdpclip.exe

                • Path C:\Users\Admin\AppData\Local\QurKBK\rdpclip.exe
                • Size 446KB
                • SHA256 9d5be181d9309dea98039d2ce619afe745fc8a9a1b1c05cf860b3620b5203308
                • MD5 SHA1 SHA512 SSDEEP

                Wsryduxuroil.lnk

                • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Wsryduxuroil.lnk
                • Size 1KB
                • SHA256 0016989a482dd362df0afab8cf9174ca1706bfe2031448f7713ac5e3a545efb0
                • MD5 SHA1 SHA512

                memory/3240-68-0x00007FF9F5380000-0x00007FF9F5442000-memory.dmp

                memory/3240-69-0x00000253F5980000-0x00000253F5987000-memory.dmp

                memory/3240-73-0x00007FF9F5380000-0x00007FF9F5442000-memory.dmp

                memory/3308-57-0x00007FF9F5630000-0x00007FF9F56F1000-memory.dmp

                memory/3308-54-0x000001DF84310000-0x000001DF84317000-memory.dmp

                memory/3308-52-0x00007FF9F5630000-0x00007FF9F56F1000-memory.dmp

                memory/3488-12-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-15-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-17-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-18-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-19-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-20-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-21-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-22-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-23-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-24-0x0000000001350000-0x0000000001357000-memory.dmp

                memory/3488-31-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-32-0x00007FFA14C40000-0x00007FFA14C50000-memory.dmp

                memory/3488-33-0x00007FFA14C30000-0x00007FFA14C40000-memory.dmp

                memory/3488-42-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-4-0x00007FFA12E4A000-0x00007FFA12E4B000-memory.dmp

                memory/3488-16-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-13-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-14-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-3-0x0000000003320000-0x0000000003321000-memory.dmp

                memory/3488-11-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-10-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-9-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-8-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-7-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3488-6-0x0000000140000000-0x00000001400C0000-memory.dmp

                memory/3680-85-0x00000268BFD80000-0x00000268BFD87000-memory.dmp

                memory/3680-89-0x00007FF9F5630000-0x00007FF9F56F1000-memory.dmp

                memory/4944-0-0x00007FFA05FD0000-0x00007FFA06090000-memory.dmp

                memory/4944-45-0x00007FFA05FD0000-0x00007FFA06090000-memory.dmp

                memory/4944-2-0x0000000000A90000-0x0000000000A97000-memory.dmp