Analysis

  • max time kernel
    7s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-354065331.xls

  • Size

    62KB

  • MD5

    bad77d2f4ee52bb3d69dc0568d0c98fa

  • SHA1

    a5967e14edd5a6bc1fa0779879150a3f2a08f551

  • SHA256

    8527e1ee98bd62527f021c1f0a02389d4115dfd5959fc89894adbd4226ecffd4

  • SHA512

    5381958c5531367122c25795f2415286ff344ea3cc67156c9409b1a7c5c314b53e44f88e1bf135c86f4791b5380c2719bbbb4fc3261aa5b32a05d5bbb53496b0

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-354065331.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:3672
    • 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 4472
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4472
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1620-5-0x00000179AC6F0000-0x00000179AC6F1000-memory.dmp

    Filesize

    4KB

  • memory/1620-6-0x00000179AC6F0000-0x00000179AC6F1000-memory.dmp

    Filesize

    4KB

  • memory/1620-8-0x00000179ACE00000-0x00000179ACE01000-memory.dmp

    Filesize

    4KB

  • memory/1620-11-0x00000179AD100000-0x00000179AD101000-memory.dmp

    Filesize

    4KB

  • memory/1620-12-0x00000179AD100000-0x00000179AD101000-memory.dmp

    Filesize

    4KB

  • memory/1620-13-0x00000179AD100000-0x00000179AD101000-memory.dmp

    Filesize

    4KB

  • memory/3672-0-0x00007FFDC0700000-0x00007FFDC0DC6000-memory.dmp

    Filesize

    6.8MB