Analysis

  • max time kernel
    100s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-05-2022 15:37

General

  • Target

    Challenge_FIles/Work_From_Home_Survey.docx

  • Size

    26KB

  • MD5

    41dacae2a33ee717abcc8011b705f2cb

  • SHA1

    4b35d14a2eab2b3a7e0b40b71955cdd36e06b4b9

  • SHA256

    84674acffba5101c8ac518019a9afe2a78a675ef3525a44dceddeed8a0092c69

  • SHA512

    11f7177dc3c8a804ff6450477e15aadd20fddac98205008db25a4f6ef69a54b7cb7c9dd0d7bdf1b1d317f306482d86ad5ef150530194de7d8dbe344203962648

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • 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\Challenge_FIles\Work_From_Home_Survey.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1076

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1076-59-0x0000000000000000-mapping.dmp
    • memory/1076-60-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp
      Filesize

      8KB

    • memory/1224-54-0x0000000072AA1000-0x0000000072AA4000-memory.dmp
      Filesize

      12KB

    • memory/1224-55-0x0000000070521000-0x0000000070523000-memory.dmp
      Filesize

      8KB

    • memory/1224-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1224-57-0x0000000076531000-0x0000000076533000-memory.dmp
      Filesize

      8KB

    • memory/1224-58-0x000000007150D000-0x0000000071518000-memory.dmp
      Filesize

      44KB

    • memory/1224-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB