Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-411515421.xls

  • Size

    62KB

  • MD5

    b4bf226185d4c1b73439c21043255c04

  • SHA1

    aa4c952bec4e76da83d2e929748b63e97d6cc68d

  • SHA256

    a2ea7b06efe1a92fd89ae2aa7c4fa80f1ec5d2047d399695cab376ab8ef033d6

  • SHA512

    edfd7c83abcb93ee72f3c2756d0111b9bde2cca37a7539f2ffa168b47ae92dc6d93a0c375658fa14bd27fcdfac80ea843159c8090098b4f5c2eeb8ab9d506fdf

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-411515421.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:3832
    • 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 4468
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4468
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2052

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2052-4-0x0000025CCB560000-0x0000025CCB561000-memory.dmp

    Filesize

    4KB

  • memory/2052-5-0x0000025CCB560000-0x0000025CCB561000-memory.dmp

    Filesize

    4KB

  • memory/2052-7-0x0000025CCBBA0000-0x0000025CCBBA1000-memory.dmp

    Filesize

    4KB

  • memory/2052-10-0x0000025CCBBA0000-0x0000025CCBBA1000-memory.dmp

    Filesize

    4KB

  • memory/2052-11-0x0000025CCBED0000-0x0000025CCBED1000-memory.dmp

    Filesize

    4KB

  • memory/2052-12-0x0000025CCBED0000-0x0000025CCBED1000-memory.dmp

    Filesize

    4KB

  • memory/2052-13-0x0000025CCBED0000-0x0000025CCBED1000-memory.dmp

    Filesize

    4KB

  • memory/2052-14-0x0000025CCBAE0000-0x0000025CCBAE1000-memory.dmp

    Filesize

    4KB

  • memory/3832-0-0x00007FFDD60B0000-0x00007FFDD6776000-memory.dmp

    Filesize

    6.8MB