Analysis

  • max time kernel
    138s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    11-07-2020 07:05

General

  • Target

    2020-07-09-Ursnif-DLL-example-01-of-10.bin.dll

  • Size

    277KB

  • MD5

    d008498b6c8da9a1609b3093c4039334

  • SHA1

    88403a63a38bdc3c45029d4ff86ceeab8e58d1f0

  • SHA256

    b3dd5fabb9c05eaab15d95ba49d626cee83c8374bf2d965532d3214fdcfbf032

  • SHA512

    9a263b4e38911b41ab7cab5e6b28903db84b7c12d71a76986c1a3d3a4ab1d65712244d39aeb2fbe14d9a43d2afec7103d65b29b38fa00d5fc16517a3b474904c

Score
1/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2020-07-09-Ursnif-DLL-example-01-of-10.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2020-07-09-Ursnif-DLL-example-01-of-10.bin.dll,#1
      2⤵
        PID:1068
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      PID:868
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:868 CREDAT:275457 /prefetch:2
        2⤵
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1064
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:868 CREDAT:799749 /prefetch:2
        2⤵
          PID:2004
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        PID:1500
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1500 CREDAT:275457 /prefetch:2
          2⤵
          • Checks whether UAC is enabled
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:468
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        PID:1960
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1960 CREDAT:275457 /prefetch:2
          2⤵
          • Checks whether UAC is enabled
          • Suspicious use of SetWindowsHookEx
          PID:1888
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetWindowsHookEx
        PID:1180
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1180 CREDAT:275457 /prefetch:2
          2⤵
          • Checks whether UAC is enabled
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1476

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

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      Downloads

      • memory/468-3-0x0000000000000000-mapping.dmp
      • memory/1064-1-0x0000000000000000-mapping.dmp
      • memory/1064-2-0x0000000005AF0000-0x0000000005B13000-memory.dmp
        Filesize

        140KB

      • memory/1068-0-0x0000000000000000-mapping.dmp
      • memory/1476-5-0x0000000000000000-mapping.dmp
      • memory/1888-4-0x0000000000000000-mapping.dmp