Analysis

  • max time kernel
    166s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 01:18

General

  • Target

    ca67c9f7edd82fe2dcd46de59a21941cc0cff94011e0fd5c900845d98016e962.exe

  • Size

    421KB

  • MD5

    4db536da1315d69825752e8f05d2d929

  • SHA1

    5ef13c6b788e0527f331fc3d70e6be13993c388b

  • SHA256

    ca67c9f7edd82fe2dcd46de59a21941cc0cff94011e0fd5c900845d98016e962

  • SHA512

    73a26c04b4408b6f9c6cd80e20c607e445698ed0b2cc1804fd7526a5e592b49b0b9da3f55143c316824415c06ab37b98a58234fc0613ff33a63ffd959f7ed7d8

  • SSDEEP

    12288:CW6NB3N8rvnF5A2RkdfFU+4pxM9EI7BmL7/:CHDcA0afq+6BIY

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca67c9f7edd82fe2dcd46de59a21941cc0cff94011e0fd5c900845d98016e962.exe
    "C:\Users\Admin\AppData\Local\Temp\ca67c9f7edd82fe2dcd46de59a21941cc0cff94011e0fd5c900845d98016e962.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe
      "C:\Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe" -launcher
      2⤵
      • Executes dropped EXE
      PID:1400
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\ca67c9f7edd82fe2dcd46de59a21941cc0cff94011e0fd5c900845d98016e962.exe--.doc"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1960

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ca67c9f7edd82fe2dcd46de59a21941cc0cff94011e0fd5c900845d98016e962.exe--.doc

      Filesize

      273KB

      MD5

      8dc57924c61f4323efba715c7abe5479

      SHA1

      0bd4b81c1c95fb3e36a3627ef275b0f4128501ec

      SHA256

      bd58116ee62ae3b48630887a8246266d109894050ee914564fdd111483ec4672

      SHA512

      7f3c34b2537eb3d543f6c9b244672316f6d39270970de44fd9c3e97a84a418e3c8f2fea9279cefeac7e39f356acba73d90dac5200409b50f53be1e7ae6be414f

    • C:\Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe

      Filesize

      121KB

      MD5

      f05f4f5be8431f746e59fe409a0b9bb1

      SHA1

      86364a21b66177b80442589bf92d33df77e0ea44

      SHA256

      d64e1969994ad748a04f967f198ba3e35fdbebfcad2691edcb15cb8128c7b547

      SHA512

      6e026b6c02223ebefdf30f027c5bf28221cd91237c3195eaf73b7f076eeaa0020e2a94c7dcb4155c56c1a8b704599db7542142647402472b382881f0decf6d37

    • C:\Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe

      Filesize

      121KB

      MD5

      f05f4f5be8431f746e59fe409a0b9bb1

      SHA1

      86364a21b66177b80442589bf92d33df77e0ea44

      SHA256

      d64e1969994ad748a04f967f198ba3e35fdbebfcad2691edcb15cb8128c7b547

      SHA512

      6e026b6c02223ebefdf30f027c5bf28221cd91237c3195eaf73b7f076eeaa0020e2a94c7dcb4155c56c1a8b704599db7542142647402472b382881f0decf6d37

    • \Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe

      Filesize

      121KB

      MD5

      f05f4f5be8431f746e59fe409a0b9bb1

      SHA1

      86364a21b66177b80442589bf92d33df77e0ea44

      SHA256

      d64e1969994ad748a04f967f198ba3e35fdbebfcad2691edcb15cb8128c7b547

      SHA512

      6e026b6c02223ebefdf30f027c5bf28221cd91237c3195eaf73b7f076eeaa0020e2a94c7dcb4155c56c1a8b704599db7542142647402472b382881f0decf6d37

    • \Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe

      Filesize

      121KB

      MD5

      f05f4f5be8431f746e59fe409a0b9bb1

      SHA1

      86364a21b66177b80442589bf92d33df77e0ea44

      SHA256

      d64e1969994ad748a04f967f198ba3e35fdbebfcad2691edcb15cb8128c7b547

      SHA512

      6e026b6c02223ebefdf30f027c5bf28221cd91237c3195eaf73b7f076eeaa0020e2a94c7dcb4155c56c1a8b704599db7542142647402472b382881f0decf6d37

    • \Users\Admin\AppData\Roaming\AW2YY0\1TD0Z7.exe

      Filesize

      121KB

      MD5

      f05f4f5be8431f746e59fe409a0b9bb1

      SHA1

      86364a21b66177b80442589bf92d33df77e0ea44

      SHA256

      d64e1969994ad748a04f967f198ba3e35fdbebfcad2691edcb15cb8128c7b547

      SHA512

      6e026b6c02223ebefdf30f027c5bf28221cd91237c3195eaf73b7f076eeaa0020e2a94c7dcb4155c56c1a8b704599db7542142647402472b382881f0decf6d37

    • memory/688-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

      Filesize

      8KB

    • memory/1360-62-0x00000000723B1000-0x00000000723B4000-memory.dmp

      Filesize

      12KB

    • memory/1360-63-0x000000006FE31000-0x000000006FE33000-memory.dmp

      Filesize

      8KB

    • memory/1360-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1360-68-0x0000000070E1D000-0x0000000070E28000-memory.dmp

      Filesize

      44KB

    • memory/1360-70-0x0000000070E1D000-0x0000000070E28000-memory.dmp

      Filesize

      44KB

    • memory/1960-69-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

      Filesize

      8KB