Analysis

  • max time kernel
    151s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    29/09/2021, 07:24

General

  • Target
    f2920b6ddb773bc41fe148635f7f3aa2c95c64ebae3ce414a5b42de85221def7.dll
  • Size 3.0MB
  • Sample210929-h8dpcseber
  • SHA256 f2920b6ddb773bc41fe148635f7f3aa2c95c64ebae3ce414a5b42de85221def7
  • 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\f2920b6ddb773bc41fe148635f7f3aa2c95c64ebae3ce414a5b42de85221def7.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1740
  • C:\Windows\system32\sdclt.exe
    C:\Windows\system32\sdclt.exe
    1⤵
      PID:1364
    • C:\Users\Admin\AppData\Local\irxu\sdclt.exe
      C:\Users\Admin\AppData\Local\irxu\sdclt.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:568
    • C:\Windows\system32\wextract.exe
      C:\Windows\system32\wextract.exe
      1⤵
        PID:376
      • C:\Users\Admin\AppData\Local\QZddN\wextract.exe
        C:\Users\Admin\AppData\Local\QZddN\wextract.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1152
      • C:\Windows\system32\mfpmp.exe
        C:\Windows\system32\mfpmp.exe
        1⤵
          PID:756
        • C:\Users\Admin\AppData\Local\knWQQ2\mfpmp.exe
          C:\Users\Admin\AppData\Local\knWQQ2\mfpmp.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:948

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/568-106-0x0000000140000000-0x0000000140302000-memory.dmp

              memory/568-103-0x000007FEFC461000-0x000007FEFC463000-memory.dmp

              memory/948-121-0x0000000140000000-0x0000000140303000-memory.dmp

              memory/1408-70-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-99-0x0000000077D90000-0x0000000077D92000-memory.dmp

              memory/1408-75-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-77-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-80-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-81-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-84-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-86-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-87-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-90-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-91-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-92-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-89-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-88-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-93-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-85-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-83-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-82-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-78-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-79-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-57-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-76-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-74-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-73-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-63-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-72-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-56-0x0000000002B10000-0x0000000002B11000-memory.dmp

              memory/1408-71-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-69-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-68-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-67-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-65-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-66-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-64-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-62-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-61-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-59-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-60-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1408-58-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1740-53-0x0000000140000000-0x0000000140301000-memory.dmp

              memory/1740-55-0x0000000000190000-0x0000000000197000-memory.dmp