Analysis

  • max time kernel
    11s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-58573999.xls

  • Size

    62KB

  • MD5

    f4ed6231de35bbe5c92804f37ea6fcf0

  • SHA1

    6d71cd542aef65cd1a534364ea1765534210be84

  • SHA256

    e7f1b70d175e001e2afd453841146f3f224c8b3e155743d723684a6a4a3fce66

  • SHA512

    a2c77671d831ae067fbc96cd1e0da20409569b57115ae9110b8ecf9362501dba3aca3c90a20136b07ad5e30f16437e2a7851a211134da0b96a85e81bef9b76e0

Score
6/10

Malware Config

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-58573999.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4444
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3512
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4444
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3608-5-0x000002C734B90000-0x000002C734B91000-memory.dmp

    Filesize

    4KB

  • memory/3608-6-0x000002C734B90000-0x000002C734B91000-memory.dmp

    Filesize

    4KB

  • memory/3608-8-0x000002C7353D0000-0x000002C7353D1000-memory.dmp

    Filesize

    4KB

  • memory/3608-11-0x000002C7355F0000-0x000002C7355F1000-memory.dmp

    Filesize

    4KB

  • memory/3608-12-0x000002C7355F0000-0x000002C7355F1000-memory.dmp

    Filesize

    4KB

  • memory/3608-17-0x000002C7355F0000-0x000002C7355F1000-memory.dmp

    Filesize

    4KB

  • memory/3836-0-0x00007FFCC1380000-0x00007FFCC1A46000-memory.dmp

    Filesize

    6.8MB