Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-03-2021 14:13

General

  • Target

    final.doc

  • Size

    511KB

  • MD5

    dddd3ed6562a39e64566934015087764

  • SHA1

    3a0e2b8630c341e3cd5496bc3fdcc51acf94d908

  • SHA256

    bf45d80a601a95a81e1e03d7140251fb0c2d377048099a79af8a189e5fd8f62b

  • SHA512

    0db56a41c57ca09f1ae91787d85b804cc6143d9423e2f7aa9dcfde24e4aca1c4c17ea26ffa6b083080d0c63ae7dcb869b3ff9dc1e939dc748dd7345eb769c805

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\final.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:988
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3940
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:4160
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4380
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/988-2-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

    Filesize

    64KB

  • memory/988-3-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

    Filesize

    64KB

  • memory/988-4-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

    Filesize

    64KB

  • memory/988-5-0x00007FF8FA9D0000-0x00007FF8FB007000-memory.dmp

    Filesize

    6.2MB

  • memory/988-6-0x00007FF8DB0A0000-0x00007FF8DB0B0000-memory.dmp

    Filesize

    64KB

  • memory/988-7-0x00007FF8FC160000-0x00007FF8FEC83000-memory.dmp

    Filesize

    43.1MB

  • memory/988-8-0x00007FF8FC160000-0x00007FF8FEC83000-memory.dmp

    Filesize

    43.1MB

  • memory/988-9-0x00007FF8FC160000-0x00007FF8FEC83000-memory.dmp

    Filesize

    43.1MB