Analysis

  • max time kernel
    103s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27/04/2021, 22:58

General

  • Target
    17f1c3dc3ad9e0e87e6a131bd93d12c074b443f365eea2e720b9d9939f9ce22e.bin.doc
  • Size 1.0MB
  • Sample210427-2qflc2mps2
  • SHA256 17f1c3dc3ad9e0e87e6a131bd93d12c074b443f365eea2e720b9d9939f9ce22e
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 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\17f1c3dc3ad9e0e87e6a131bd93d12c074b443f365eea2e720b9d9939f9ce22e.bin.doc"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1352

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1096-60-0x00000000727F1000-0x00000000727F4000-memory.dmp

          memory/1096-61-0x0000000070271000-0x0000000070273000-memory.dmp

          memory/1096-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1096-65-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1352-64-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp