Analysis

  • max time kernel
    162s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    09/09/2021, 11:54

General

  • Target
    97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll
  • Size 1.7MB
  • Sample210909-n2x3babcbm
  • SHA256 97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67
  • MD5 SHA1 SHA512

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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:424
  • C:\Windows\system32\ProximityUxHost.exe
    C:\Windows\system32\ProximityUxHost.exe
    1⤵
      PID:1112
    • C:\Users\Admin\AppData\Local\4Wm\ProximityUxHost.exe
      C:\Users\Admin\AppData\Local\4Wm\ProximityUxHost.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2124
    • C:\Windows\system32\UI0Detect.exe
      C:\Windows\system32\UI0Detect.exe
      1⤵
        PID:3840
      • C:\Users\Admin\AppData\Local\QsE5\UI0Detect.exe
        C:\Users\Admin\AppData\Local\QsE5\UI0Detect.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2584
      • C:\Windows\system32\SystemPropertiesRemote.exe
        C:\Windows\system32\SystemPropertiesRemote.exe
        1⤵
          PID:848
        • C:\Users\Admin\AppData\Local\YAbYpNW\SystemPropertiesRemote.exe
          C:\Users\Admin\AppData\Local\YAbYpNW\SystemPropertiesRemote.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3592

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/424-115-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/424-119-0x000001918C070000-0x000001918C077000-memory.dmp

              memory/1512-142-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-148-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-131-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-132-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-133-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-134-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-135-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-136-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-137-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-138-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-139-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-140-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-141-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-129-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-143-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-144-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-145-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-146-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-147-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-130-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-149-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-150-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-151-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-159-0x00007FFFE85F4560-0x00007FFFE85F5560-memory.dmp

              memory/1512-161-0x00007FFFE8730000-0x00007FFFE8732000-memory.dmp

              memory/1512-120-0x0000000000A40000-0x0000000000A41000-memory.dmp

              memory/1512-128-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-127-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-126-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-121-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-122-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-125-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-124-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/1512-123-0x0000000140000000-0x00000001401B5000-memory.dmp

              memory/2124-166-0x0000000140000000-0x00000001401FB000-memory.dmp

              memory/2584-175-0x0000000140000000-0x00000001401B6000-memory.dmp