Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • 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

  • Checks whether UAC is enabled 8 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 71 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:2112
    • 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:2152
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:2308
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2308 CREDAT:82945 /prefetch:2
        2⤵
        • Checks whether UAC is enabled
        • Suspicious use of SetWindowsHookEx
        • Modifies Internet Explorer settings
        PID:2916
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:3700
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3700 CREDAT:82945 /prefetch:2
        2⤵
        • Checks whether UAC is enabled
        • Suspicious use of SetWindowsHookEx
        • Modifies Internet Explorer settings
        PID:844
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:1540
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1540 CREDAT:82945 /prefetch:2
        2⤵
        • Checks whether UAC is enabled
        • Suspicious use of SetWindowsHookEx
        • Modifies Internet Explorer settings
        PID:1760
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:3836
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3836 CREDAT:82945 /prefetch:2
        2⤵
        • Checks whether UAC is enabled
        • Suspicious use of SetWindowsHookEx
        • Modifies Internet Explorer settings
        PID:1128

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • memory/844-2-0x0000000000000000-mapping.dmp
    • memory/1128-4-0x0000000000000000-mapping.dmp
    • memory/1760-3-0x0000000000000000-mapping.dmp
    • memory/2152-0-0x0000000000000000-mapping.dmp
    • memory/2916-1-0x0000000000000000-mapping.dmp