Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 06:08

General

  • Target

    6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe

  • Size

    64KB

  • MD5

    72c6ab055cdb1667e0def431451afa28

  • SHA1

    9df86bf628c429c11b37a3eb3e93798964ab8b87

  • SHA256

    6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359

  • SHA512

    35650dc4bb20a5b099f101953fc11a9dee5dae4f89d3671e7f04ace911e2918a91ea1185035c00107ae3621f3d8411eb883958e20f23ea9e14f4c5ba1c2149fd

  • SSDEEP

    1536:V3cpyORJLuB4P4AJJv4Romu/WVaCo91v7MGFhWC:V3c1fP4AJJv45wCE7fFhWC

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 11 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
    "C:\Users\Admin\AppData\Local\Temp\6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Checks computer location settings
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft11\Internet Explorar" +s
      2⤵
      • Drops file in Program Files directory
      • Views/modifies file attributes
      PID:4632
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
      2⤵
        PID:3700

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\AccessControl.dll

      Filesize

      10KB

      MD5

      055f4f9260e07fc83f71877cbb7f4fad

      SHA1

      a245131af1a182de99bd74af9ff1fab17977a72f

      SHA256

      4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

      SHA512

      a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

    • C:\Users\Admin\AppData\Local\Temp\nsg182D.tmp\System.dll

      Filesize

      11KB

      MD5

      00a0194c20ee912257df53bfe258ee4a

      SHA1

      d7b4e319bc5119024690dc8230b9cc919b1b86b2

      SHA256

      dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

      SHA512

      3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

    • C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat

      Filesize

      250B

      MD5

      1740ed0106ec16f9ca0451f3894adbf8

      SHA1

      36cf24eb673d55cbead6a0429923a0b8df9dc153

      SHA256

      02faafc073a7323c77cb2b153e954ec7e6584fcc9fa05e087d86e09c531c70d3

      SHA512

      e9d2aa51063f456e6f725c7830c775594f938d519b41a7e8e700bb30d4b20e42c086bedb1e5d140317358292eedefd6283bb145539352ac122bdaccebe3befb1

    • memory/1556-142-0x0000000003031000-0x0000000003033000-memory.dmp

      Filesize

      8KB