Analysis

  • max time kernel
    139s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-03-2021 09:55

General

  • Target

    final.doc.bin.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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 11 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.bin.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:648
  • 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:1060
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:3948
  • 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 behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4232
  • 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:4300
  • 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 AdjustPrivilegeToken
    PID:4608

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/648-2-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp
    Filesize

    64KB

  • memory/648-3-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp
    Filesize

    64KB

  • memory/648-4-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp
    Filesize

    64KB

  • memory/648-5-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp
    Filesize

    64KB

  • memory/648-6-0x0000023885750000-0x0000023885D87000-memory.dmp
    Filesize

    6.2MB

  • memory/648-7-0x00007FF9C0950000-0x00007FF9C0960000-memory.dmp
    Filesize

    64KB