Analysis

  • max time kernel
    4294205s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    21/03/2022, 16:51

General

  • Target
    K3362p2954.doc
  • Size 943KB
  • Sample220321-vctrxsheek
  • SHA256 7f19bc8eb8f0555986de478bc9a17a8e052f4a9262b0a19b924d8e9c66a01ca7
  • MD5 SHA1 SHA512
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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\K3362p2954.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1244

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1244-59-0x000007FEFB901000-0x000007FEFB903000-memory.dmp

          memory/1336-54-0x00000000723F1000-0x00000000723F4000-memory.dmp

          memory/1336-55-0x000000006FE71000-0x000000006FE73000-memory.dmp

          memory/1336-56-0x000000002F670000-0x000000002F7CD000-memory.dmp

          memory/1336-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1336-58-0x0000000075561000-0x0000000075563000-memory.dmp

          memory/1336-60-0x0000000070E5D000-0x0000000070E68000-memory.dmp

          memory/1336-61-0x00000000005C6000-0x00000000005C7000-memory.dmp

          memory/1336-62-0x00000000005C7000-0x00000000005C8000-memory.dmp

          memory/1336-63-0x00000000005E7000-0x00000000005E8000-memory.dmp