Analysis

  • max time kernel
    151s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 10:46

General

  • Target
    72069f253d65873ca37d22ed502e1911.dll
  • Size 3.7MB
  • Sample240124-mtys7sgda5
  • SHA256 95675ed8705063e78d6feec16544b7d5bbe62b4bc34b13462280c0ec046f0d71
  • 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.

  • 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\72069f253d65873ca37d22ed502e1911.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3880
  • C:\Windows\system32\bdeunlock.exe
    C:\Windows\system32\bdeunlock.exe
    1⤵
      PID:1016
    • C:\Users\Admin\AppData\Local\xW0\bdeunlock.exe
      C:\Users\Admin\AppData\Local\xW0\bdeunlock.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2664
    • C:\Windows\system32\mstsc.exe
      C:\Windows\system32\mstsc.exe
      1⤵
        PID:2612
      • C:\Users\Admin\AppData\Local\CkXWAn\mstsc.exe
        C:\Users\Admin\AppData\Local\CkXWAn\mstsc.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4136
      • C:\Windows\system32\psr.exe
        C:\Windows\system32\psr.exe
        1⤵
          PID:2668
        • C:\Users\Admin\AppData\Local\pvrwm\psr.exe
          C:\Users\Admin\AppData\Local\pvrwm\psr.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1408

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              VERSION.dll

              • Path C:\Users\Admin\AppData\Local\CkXWAn\VERSION.dll
              • Size 3.8MB
              • SHA256 8d0df2b516e3ed11d8e79855e9df02f354ca679d2b9c5b0ef19a980d993bf213
              • MD5 SHA1 SHA512 SSDEEP

              mstsc.exe

              • Path C:\Users\Admin\AppData\Local\CkXWAn\mstsc.exe
              • Size 1.5MB
              • SHA256 1d1b6b2edac7ac6494c9eecda3afb804f679d7190f4d1a80929380e85743823f
              • MD5 SHA1 SHA512 SSDEEP

              XmlLite.dll

              • Path C:\Users\Admin\AppData\Local\pvrwm\XmlLite.dll
              • Size 3.8MB
              • SHA256 795e0cbd6ca8a2e7de9c73ced032b6626be2765a991eefc56894ed61a7cd3b28
              • MD5 SHA1 SHA512 SSDEEP

              psr.exe

              • Path C:\Users\Admin\AppData\Local\pvrwm\psr.exe
              • Size 232KB
              • SHA256 4f0144f0e3e721b44babbf41b513942e4117f730546105480571f9c8fce56a1f
              • MD5 SHA1 SHA512 SSDEEP

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\xW0\DUI70.dll
              • Size 4.0MB
              • SHA256 202e8fcf040fae82f7a4444ba2d7d2163b1e1fd24a373815746c051d66342e15
              • MD5 SHA1 SHA512 SSDEEP

              bdeunlock.exe

              • Path C:\Users\Admin\AppData\Local\xW0\bdeunlock.exe
              • Size 279KB
              • SHA256 dcfdd67bf3244ff86cadaaea50b43cce5479014ea2021c0c2fb40b7c856e5603
              • MD5 SHA1 SHA512 SSDEEP

              Btpzaqnqvnv.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Btpzaqnqvnv.lnk
              • Size 1KB
              • SHA256 9283110c19063c935b355035646970db45652b7d5435f8bc0fde24b7c753bc02
              • MD5 SHA1 SHA512

              memory/1408-134-0x000001CD913C0000-0x000001CD913C7000-memory.dmp

              memory/2664-99-0x000002942D390000-0x000002942D397000-memory.dmp

              memory/3532-39-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-46-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-14-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-15-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-16-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-17-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-19-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-20-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-4-0x0000000003290000-0x0000000003291000-memory.dmp

              memory/3532-21-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-22-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-23-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-24-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-25-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-26-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-27-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-28-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-29-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-30-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-31-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-32-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-33-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-34-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-35-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-36-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-37-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-38-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-7-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-40-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-41-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-42-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-43-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-44-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-13-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-47-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-45-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-48-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-49-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-50-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-51-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-52-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-53-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-54-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-55-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-56-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-57-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-58-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-59-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-60-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-61-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-62-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-63-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-64-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-65-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-70-0x0000000001460000-0x0000000001467000-memory.dmp

              memory/3532-78-0x00007FFCF0B80000-0x00007FFCF0B90000-memory.dmp

              memory/3532-11-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-12-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-10-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-9-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3532-6-0x00007FFCEFC8A000-0x00007FFCEFC8B000-memory.dmp

              memory/3532-8-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3880-1-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3880-18-0x0000000140000000-0x00000001403BF000-memory.dmp

              memory/3880-0-0x000001DC38E40000-0x000001DC38E47000-memory.dmp

              memory/4136-116-0x000001CE9E4B0000-0x000001CE9E4B7000-memory.dmp