Analysis

  • max time kernel
    157s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    26/11/2021, 09:28

General

  • Target
    ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a.dll
  • Size 1.3MB
  • Sample211126-lfc4xaege5
  • SHA256 ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a
  • 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
  • Drops startup file 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:2840
  • C:\Windows\system32\rdpinit.exe
    C:\Windows\system32\rdpinit.exe
    1⤵
      PID:908
    • C:\Users\Admin\AppData\Local\KvP0OOntR\rdpinit.exe
      C:\Users\Admin\AppData\Local\KvP0OOntR\rdpinit.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1012
    • C:\Windows\system32\slui.exe
      C:\Windows\system32\slui.exe
      1⤵
        PID:3096
      • C:\Users\Admin\AppData\Local\PuF3fEwYS\slui.exe
        C:\Users\Admin\AppData\Local\PuF3fEwYS\slui.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious behavior: GetForegroundWindowSpam
        PID:424
      • C:\Windows\system32\SppExtComObj.Exe
        C:\Windows\system32\SppExtComObj.Exe
        1⤵
          PID:1484
        • C:\Users\Admin\AppData\Local\d7hB\SppExtComObj.Exe
          C:\Users\Admin\AppData\Local\d7hB\SppExtComObj.Exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          • Suspicious behavior: GetForegroundWindowSpam
          PID:1480

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/424-169-0x00000277281D0000-0x00000277281D2000-memory.dmp

              memory/424-168-0x00000277281D0000-0x00000277281D2000-memory.dmp

              memory/424-170-0x00000277281D0000-0x00000277281D2000-memory.dmp

              memory/424-165-0x0000000140000000-0x000000014014F000-memory.dmp

              memory/1012-158-0x00000148EFDC0000-0x00000148EFDC2000-memory.dmp

              memory/1012-160-0x00000148EFDC0000-0x00000148EFDC2000-memory.dmp

              memory/1012-159-0x00000148EFDC0000-0x00000148EFDC2000-memory.dmp

              memory/1012-155-0x0000000140000000-0x0000000140150000-memory.dmp

              memory/1480-178-0x00000200DCCB0000-0x00000200DCCB2000-memory.dmp

              memory/1480-179-0x00000200DCCB0000-0x00000200DCCB2000-memory.dmp

              memory/1480-180-0x00000200DCCB0000-0x00000200DCCB2000-memory.dmp

              memory/2840-115-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2840-120-0x0000023708100000-0x0000023708107000-memory.dmp

              memory/2840-119-0x0000023708110000-0x0000023708112000-memory.dmp

              memory/2840-118-0x0000023708110000-0x0000023708112000-memory.dmp

              memory/2920-130-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-150-0x00007FFBA0330000-0x00007FFBA0332000-memory.dmp

              memory/2920-149-0x0000000000670000-0x0000000000672000-memory.dmp

              memory/2920-148-0x00007FFBA01F5000-0x00007FFBA01F6000-memory.dmp

              memory/2920-147-0x0000000000670000-0x0000000000672000-memory.dmp

              memory/2920-146-0x0000000000670000-0x0000000000672000-memory.dmp

              memory/2920-140-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-139-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-138-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-137-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-136-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-135-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-134-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-133-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-132-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-131-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-129-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-128-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-127-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-126-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-125-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-124-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-122-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-123-0x0000000140000000-0x000000014014E000-memory.dmp

              memory/2920-121-0x0000000000660000-0x0000000000661000-memory.dmp