Analysis

  • max time kernel
    145s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 10:54

General

  • Target

    kpt1(1).dll

  • Size

    208KB

  • MD5

    e4da440356a7a4300373d45c205b0b4d

  • SHA1

    9f9d3f10dd2884615c51456104f93babb646509c

  • SHA256

    591c648b11ffd7b4ed631793786ca67075b6d2f4e362716cc6b5ac24f2b7961f

  • SHA512

    2c1ba96eaa61262a5086520325678818647d86269d18f4acf0977950e74b7fe14b8a69cdde1f7c6764fd5d93c5496d51cd672a67c619e2953cb39b2227d73650

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 27 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Checks whether UAC is enabled 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 102 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\kpt1(1).dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\kpt1(1).dll,#1
      2⤵
        PID:1340
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      PID:1780
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1780 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        PID:1280
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1780 CREDAT:734213 /prefetch:2
        2⤵
          PID:1924
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        PID:1968
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1968 CREDAT:275457 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          • Checks whether UAC is enabled
          • Modifies Internet Explorer settings
          PID:1056
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        PID:1464
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1464 CREDAT:275457 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          • Checks whether UAC is enabled
          • Modifies Internet Explorer settings
          PID:304
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        PID:1092
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1092 CREDAT:275457 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          • Checks whether UAC is enabled
          PID:1520

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

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      Downloads

      • memory/304-4-0x0000000000000000-mapping.dmp
      • memory/1056-3-0x0000000000000000-mapping.dmp
      • memory/1280-1-0x0000000000000000-mapping.dmp
      • memory/1280-2-0x00000000059F0000-0x0000000005A13000-memory.dmp
        Filesize

        140KB

      • memory/1340-0-0x0000000000000000-mapping.dmp
      • memory/1520-5-0x0000000000000000-mapping.dmp