Analysis

  • max time kernel
    154s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    31/08/2021, 06:46

General

  • Target
    24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092.dll
  • Size 2.0MB
  • Sample210831-kr2ele5hjj
  • SHA256 24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092
  • 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 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:640
  • C:\Windows\system32\wermgr.exe
    C:\Windows\system32\wermgr.exe
    1⤵
      PID:192
    • C:\Users\Admin\AppData\Local\WxG5W\wermgr.exe
      C:\Users\Admin\AppData\Local\WxG5W\wermgr.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2956
    • C:\Windows\system32\sdclt.exe
      C:\Windows\system32\sdclt.exe
      1⤵
        PID:3576
      • C:\Users\Admin\AppData\Local\sE7\sdclt.exe
        C:\Users\Admin\AppData\Local\sE7\sdclt.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:764
      • C:\Windows\system32\recdisc.exe
        C:\Windows\system32\recdisc.exe
        1⤵
          PID:2220
        • C:\Users\Admin\AppData\Local\5AJKJ8H9Z\recdisc.exe
          C:\Users\Admin\AppData\Local\5AJKJ8H9Z\recdisc.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2256

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/640-114-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/640-118-0x0000019F18620000-0x0000019F18627000-memory.dmp

              memory/2256-181-0x0000000140000000-0x0000000140200000-memory.dmp

              memory/2956-163-0x0000000140000000-0x0000000140201000-memory.dmp

              memory/3092-129-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-148-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-131-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-136-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-137-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-138-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-139-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-140-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-141-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-142-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-143-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-144-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-145-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-146-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-147-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-135-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-156-0x00007FFDDF874560-0x00007FFDDF875560-memory.dmp

              memory/3092-158-0x00007FFDDF7B0000-0x00007FFDDF7C0000-memory.dmp

              memory/3092-134-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-133-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-132-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-130-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-128-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-127-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-126-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-125-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-124-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-123-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-122-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-121-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-120-0x0000000140000000-0x00000001401FF000-memory.dmp

              memory/3092-119-0x0000000000A50000-0x0000000000A51000-memory.dmp