Analysis

  • max time kernel
    154s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    17/09/2021, 09:38

General

  • Target
    8cfbaaadf5480a9dd8b8f9269e49286890c9ccbfb7dff8b2aef52b0f0bbf319e.dll
  • Size 2.5MB
  • Sample210917-ll5fcaaagq
  • SHA256 8cfbaaadf5480a9dd8b8f9269e49286890c9ccbfb7dff8b2aef52b0f0bbf319e
  • 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 8 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\8cfbaaadf5480a9dd8b8f9269e49286890c9ccbfb7dff8b2aef52b0f0bbf319e.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4648
  • C:\Windows\system32\BitLockerWizardElev.exe
    C:\Windows\system32\BitLockerWizardElev.exe
    1⤵
      PID:4964
    • C:\Users\Admin\AppData\Local\ZgTFxd30\BitLockerWizardElev.exe
      C:\Users\Admin\AppData\Local\ZgTFxd30\BitLockerWizardElev.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4972
    • C:\Windows\system32\AgentService.exe
      C:\Windows\system32\AgentService.exe
      1⤵
        PID:5076
      • C:\Users\Admin\AppData\Local\CEiHGzZP\AgentService.exe
        C:\Users\Admin\AppData\Local\CEiHGzZP\AgentService.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3572
      • C:\Windows\system32\recdisc.exe
        C:\Windows\system32\recdisc.exe
        1⤵
          PID:3356
        • C:\Users\Admin\AppData\Local\ZeYHGU\recdisc.exe
          C:\Users\Admin\AppData\Local\ZeYHGU\recdisc.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3440

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/3016-148-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-151-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-128-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-129-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-130-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-131-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-132-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-133-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-134-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-135-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-136-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-137-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-138-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-139-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-140-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-141-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-143-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-142-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-144-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-145-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-146-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-126-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-147-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-149-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-150-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-127-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-152-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-153-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-155-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-157-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-156-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-154-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-158-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-159-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-160-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-161-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-162-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-163-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-171-0x00007FFDC37D4560-0x00007FFDC37D5560-memory.dmp

              memory/3016-173-0x00007FFDC3910000-0x00007FFDC3912000-memory.dmp

              memory/3016-120-0x0000000002C30000-0x0000000002C31000-memory.dmp

              memory/3016-121-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-122-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-123-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-124-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/3016-125-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/4648-117-0x0000021233E00000-0x0000021233E07000-memory.dmp

              memory/4648-115-0x0000000140000000-0x000000014027D000-memory.dmp

              memory/4972-178-0x0000000140000000-0x000000014027E000-memory.dmp