Analysis

  • max time kernel
    154s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28/09/2021, 09:28

General

  • Target
    fd327dd15819f0bfde36fba8dcf0ccc44ad76341bd32d55f6c8ce49fb6feb898.dll
  • Size 1.1MB
  • Sample210928-lfd17sbefl
  • SHA256 fd327dd15819f0bfde36fba8dcf0ccc44ad76341bd32d55f6c8ce49fb6feb898
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Payload 2 IoCs

    Detects Dridex x64 core DLL in memory.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd327dd15819f0bfde36fba8dcf0ccc44ad76341bd32d55f6c8ce49fb6feb898.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1828
  • C:\Windows\system32\SystemPropertiesHardware.exe
    C:\Windows\system32\SystemPropertiesHardware.exe
    1⤵
      PID:3496
    • C:\Users\Admin\AppData\Local\EKODIvI\SystemPropertiesHardware.exe
      C:\Users\Admin\AppData\Local\EKODIvI\SystemPropertiesHardware.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1912
    • C:\Windows\system32\cmstp.exe
      C:\Windows\system32\cmstp.exe
      1⤵
        PID:3756
      • C:\Users\Admin\AppData\Local\QW1A\cmstp.exe
        C:\Users\Admin\AppData\Local\QW1A\cmstp.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1872
      • C:\Windows\system32\iexpress.exe
        C:\Windows\system32\iexpress.exe
        1⤵
          PID:864
        • C:\Users\Admin\AppData\Local\BSrb9EG\iexpress.exe
          C:\Users\Admin\AppData\Local\BSrb9EG\iexpress.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:792

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/1828-115-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/1828-120-0x000002B2087E0000-0x000002B2087E7000-memory.dmp

              memory/1872-180-0x0000023FB5910000-0x0000023FB5A1E000-memory.dmp

              memory/1912-165-0x0000000140000000-0x000000014010E000-memory.dmp

              memory/2972-131-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-159-0x00007FFFB8F24320-0x00007FFFB8F25320-memory.dmp

              memory/2972-138-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-139-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-140-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-141-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-142-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-143-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-144-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-145-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-146-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-147-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-148-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-149-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-150-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-137-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-160-0x00007FFFB8EF4320-0x00007FFFB8EF5320-memory.dmp

              memory/2972-136-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-135-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-134-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-133-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-132-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-130-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-129-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-127-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-128-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-126-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-125-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-122-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-124-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-123-0x0000000140000000-0x000000014010D000-memory.dmp

              memory/2972-121-0x0000000001180000-0x0000000001181000-memory.dmp