Analysis

  • max time kernel
    160s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    08/09/2021, 06:26

General

  • Target
    65743db283116d3f385fffeb2409678de86a38871c87a17c7e7069e13537307c.dll
  • Size 1.7MB
  • Sample210908-g69tcahbbj
  • SHA256 65743db283116d3f385fffeb2409678de86a38871c87a17c7e7069e13537307c
  • 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\65743db283116d3f385fffeb2409678de86a38871c87a17c7e7069e13537307c.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3388
  • C:\Windows\system32\DeviceEnroller.exe
    C:\Windows\system32\DeviceEnroller.exe
    1⤵
      PID:2176
    • C:\Users\Admin\AppData\Local\YDjmdi\DeviceEnroller.exe
      C:\Users\Admin\AppData\Local\YDjmdi\DeviceEnroller.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:3776
    • C:\Windows\system32\DevicePairingWizard.exe
      C:\Windows\system32\DevicePairingWizard.exe
      1⤵
        PID:2324
      • C:\Users\Admin\AppData\Local\2JMjaaWUO\DevicePairingWizard.exe
        C:\Users\Admin\AppData\Local\2JMjaaWUO\DevicePairingWizard.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3340
      • C:\Windows\system32\raserver.exe
        C:\Windows\system32\raserver.exe
        1⤵
          PID:1880
        • C:\Users\Admin\AppData\Local\Tjvlj\raserver.exe
          C:\Users\Admin\AppData\Local\Tjvlj\raserver.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2096

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/2996-145-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-152-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-130-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-131-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-132-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-134-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-133-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-135-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-136-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-137-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-138-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-140-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-139-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-141-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-142-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-143-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-144-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-146-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-120-0x0000000000740000-0x0000000000741000-memory.dmp

              memory/2996-147-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-148-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-149-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-150-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-129-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-151-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-153-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-154-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-156-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-155-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-157-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-165-0x00007FFC289C4560-0x00007FFC289C5560-memory.dmp

              memory/2996-167-0x00007FFC28910000-0x00007FFC28920000-memory.dmp

              memory/2996-122-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-128-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-127-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-126-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-121-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-125-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-123-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/2996-124-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/3340-181-0x0000000140000000-0x00000001401C3000-memory.dmp

              memory/3388-115-0x0000000140000000-0x00000001401BC000-memory.dmp

              memory/3388-119-0x00000149A89B0000-0x00000149A89B7000-memory.dmp

              memory/3776-172-0x0000000140000000-0x00000001401BD000-memory.dmp