Resubmissions

24-05-2020 06:24

200524-arhqf6gx92 10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    24-05-2020 06:24

General

  • Target

    Enced.exe

  • Size

    61KB

  • MD5

    56eaa612cc10404d14aeb013dc66a279

  • SHA1

    9832299df389f4ebf2b442c049b5a3c7317f3263

  • SHA256

    bb71dd1c92f7a40339184d27f53708c7c7e6f73a12bf41f462248a2f24588959

  • SHA512

    5faf5bbbca1578d65ad5067f5345bc5eedaf1ca97fce0502a8a9baa7f64d864f382cffde603e386d7a7f2ed1201f13b915b6fe9ff80909c8acca13fc1d58d7cc

Score
7/10

Malware Config

Signatures

  • Modifies system certificate store 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Checks whether UAC is enabled 2 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enced.exe
    "C:\Users\Admin\AppData\Local\Temp\Enced.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\READ_ME.html
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      PID:784
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:784 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies system certificate store
        • Suspicious use of SetWindowsHookEx
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        PID:1836
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C timeout 2 && Del /Q /F C:\Users\Admin\AppData\Local\Temp\Enced.exe
      2⤵
      • Deletes itself
      PID:324
      • C:\Windows\system32\timeout.exe
        timeout 2
        3⤵
        • Delays execution with timeout.exe
        PID:1064
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:828

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • C:\READ_ME.html
    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\5AGKT31W.txt