Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 22:00

General

  • Target
    b6e3268dd394848b66297fa6072a147b6e1e491afd94930bcb8681a321ee1208.dll
  • Size 748KB
  • Sample240310-1w4dcsch91
  • SHA256 b6e3268dd394848b66297fa6072a147b6e1e491afd94930bcb8681a321ee1208
  • 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 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\b6e3268dd394848b66297fa6072a147b6e1e491afd94930bcb8681a321ee1208.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1056
  • C:\Windows\system32\ApplySettingsTemplateCatalog.exe
    C:\Windows\system32\ApplySettingsTemplateCatalog.exe
    1⤵
      PID:1780
    • C:\Users\Admin\AppData\Local\Lka\ApplySettingsTemplateCatalog.exe
      C:\Users\Admin\AppData\Local\Lka\ApplySettingsTemplateCatalog.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:5036
    • C:\Windows\system32\rdpclip.exe
      C:\Windows\system32\rdpclip.exe
      1⤵
        PID:3892
      • C:\Users\Admin\AppData\Local\MArjok\rdpclip.exe
        C:\Users\Admin\AppData\Local\MArjok\rdpclip.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4360
      • C:\Windows\system32\SppExtComObj.Exe
        C:\Windows\system32\SppExtComObj.Exe
        1⤵
          PID:3588
        • C:\Users\Admin\AppData\Local\WYRl4K\SppExtComObj.Exe
          C:\Users\Admin\AppData\Local\WYRl4K\SppExtComObj.Exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1992

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              ACTIVEDS.dll

              • Path C:\Users\Admin\AppData\Local\Lka\ACTIVEDS.dll
              • Size 752KB
              • SHA256 850f4a4e39ec59754a6907f1c27c8893d3c6cb6442c5428fa5ceacfa929cda23
              • MD5 SHA1 SHA512 SSDEEP

              ApplySettingsTemplateCatalog.exe

              • Path C:\Users\Admin\AppData\Local\Lka\ApplySettingsTemplateCatalog.exe
              • Size 1.1MB
              • SHA256 a462f29efaaa3c30411e76f32608a2ba5b7d21af3b9804e5dda99e342ba8c429
              • MD5 SHA1 SHA512 SSDEEP

              WINSTA.dll

              • Path C:\Users\Admin\AppData\Local\MArjok\WINSTA.dll
              • Size 756KB
              • SHA256 d50f5ddfb1f0dc0dd7c43a6e5b4d8318aaca4fea9bdb894223b9aa2363595ea8
              • MD5 SHA1 SHA512 SSDEEP

              rdpclip.exe

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

              ACTIVEDS.dll

              • Path C:\Users\Admin\AppData\Local\WYRl4K\ACTIVEDS.dll
              • Size 752KB
              • SHA256 6126613dc1fd17936e72ed09582abadffa97f94c8221a8e7d13d37fc92d5baea
              • MD5 SHA1 SHA512 SSDEEP

              SppExtComObj.Exe

              • Path C:\Users\Admin\AppData\Local\WYRl4K\SppExtComObj.Exe
              • Size 559KB
              • SHA256 2a6581576305771044f07ea0fef27f77859996dbf66c2017e938f90bfc1e010c
              • MD5 SHA1 SHA512 SSDEEP

              Txagdzatgusg.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Txagdzatgusg.lnk
              • Size 1KB
              • SHA256 fdb7105052f8f7e7e466a926e665b347d5fefef3010008e1f2082bbd96ddaa12
              • MD5 SHA1 SHA512

              memory/1056-0-0x00007FF864FB0000-0x00007FF86506B000-memory.dmp

              memory/1056-2-0x0000000002940000-0x0000000002947000-memory.dmp

              memory/1056-46-0x00007FF864FB0000-0x00007FF86506B000-memory.dmp

              memory/1992-90-0x00007FF856710000-0x00007FF8567CC000-memory.dmp

              memory/1992-85-0x00000185C3B10000-0x00000185C3B17000-memory.dmp

              memory/3408-25-0x0000000002D10000-0x0000000002D17000-memory.dmp

              memory/3408-43-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-16-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-17-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-18-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-20-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-19-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-21-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-22-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-23-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-12-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-24-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-32-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-33-0x00007FF8741C0000-0x00007FF8741D0000-memory.dmp

              memory/3408-34-0x00007FF8741B0000-0x00007FF8741C0000-memory.dmp

              memory/3408-15-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-14-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-13-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-11-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-3-0x0000000003090000-0x0000000003091000-memory.dmp

              memory/3408-6-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-7-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-8-0x00007FF8724BA000-0x00007FF8724BB000-memory.dmp

              memory/3408-10-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-5-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/3408-9-0x0000000140000000-0x00000001400BB000-memory.dmp

              memory/4360-74-0x00007FF856710000-0x00007FF8567CD000-memory.dmp

              memory/4360-70-0x000001D32CE90000-0x000001D32CE97000-memory.dmp

              memory/4360-69-0x00007FF856710000-0x00007FF8567CD000-memory.dmp

              memory/5036-58-0x00007FF856710000-0x00007FF8567CC000-memory.dmp

              memory/5036-53-0x00007FF856710000-0x00007FF8567CC000-memory.dmp

              memory/5036-54-0x0000028F3E920000-0x0000028F3E927000-memory.dmp