Analysis

  • max time kernel
    154s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30/08/2021, 06:25

General

  • Target
    9f22fb5dff891afceb79e39f45f87f122cde85dc48177a7510886d2834fa4b94.dll
  • Size 1.1MB
  • Sample210830-3be3y4aebs
  • SHA256 9f22fb5dff891afceb79e39f45f87f122cde85dc48177a7510886d2834fa4b94
  • 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 7 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f22fb5dff891afceb79e39f45f87f122cde85dc48177a7510886d2834fa4b94.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1852
  • C:\Windows\system32\msdtc.exe
    C:\Windows\system32\msdtc.exe
    1⤵
      PID:1120
    • C:\Users\Admin\AppData\Local\IfJjHMyj\msdtc.exe
      C:\Users\Admin\AppData\Local\IfJjHMyj\msdtc.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1588
    • C:\Windows\system32\mspaint.exe
      C:\Windows\system32\mspaint.exe
      1⤵
        PID:624
      • C:\Users\Admin\AppData\Local\C4hKcHQoY\mspaint.exe
        C:\Users\Admin\AppData\Local\C4hKcHQoY\mspaint.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1540
      • C:\Windows\system32\lpksetup.exe
        C:\Windows\system32\lpksetup.exe
        1⤵
          PID:1676
        • C:\Users\Admin\AppData\Local\0BCEM5i6O\lpksetup.exe
          C:\Users\Admin\AppData\Local\0BCEM5i6O\lpksetup.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1708

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/1268-71-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-64-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-76-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-77-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-78-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-79-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-80-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-81-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-87-0x00000000771C0000-0x00000000771C2000-memory.dmp

              memory/1268-63-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

              memory/1268-72-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-74-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-73-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-66-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-67-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-70-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-65-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-69-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-68-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1268-75-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1540-98-0x000007FEFB891000-0x000007FEFB893000-memory.dmp

              memory/1540-101-0x0000000140000000-0x0000000140120000-memory.dmp

              memory/1588-93-0x00000000002A0000-0x00000000003C0000-memory.dmp

              memory/1852-60-0x0000000140000000-0x000000014011F000-memory.dmp

              memory/1852-62-0x0000000000190000-0x0000000000197000-memory.dmp