Analysis

  • max time kernel
    10s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-419355796.xls

  • Size

    62KB

  • MD5

    f859639704fa67cfd6533accbae4cff6

  • SHA1

    1546dfe7efa2b59f67963aabe137e2411b1bd26d

  • SHA256

    362122f92e01612c3cd254844195bbcb98ad3e3c8c9e591eabab17c1a66795b4

  • SHA512

    a985ec6aa671d8f49348a7f269fef8e62090ce4c16ce7186ac9f10247ac434178026ecf234cf69fcb83502ce55ad6e7add1e50e306b3ed7f77c2a9239c99ec57

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-419355796.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:3788
    • 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 4240
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4240
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2216-5-0x000001BBF68F0000-0x000001BBF68F1000-memory.dmp

    Filesize

    4KB

  • memory/2216-6-0x000001BBF68F0000-0x000001BBF68F1000-memory.dmp

    Filesize

    4KB

  • memory/2216-8-0x000001BBF70C0000-0x000001BBF70C1000-memory.dmp

    Filesize

    4KB

  • memory/2216-11-0x000001BBF74C0000-0x000001BBF74C1000-memory.dmp

    Filesize

    4KB

  • memory/2216-13-0x000001BBF74C0000-0x000001BBF74C1000-memory.dmp

    Filesize

    4KB

  • memory/2216-15-0x000001BBF7390000-0x000001BBF7391000-memory.dmp

    Filesize

    4KB

  • memory/2216-16-0x000001BBF7390000-0x000001BBF7391000-memory.dmp

    Filesize

    4KB

  • memory/2216-17-0x000001BBF7390000-0x000001BBF7391000-memory.dmp

    Filesize

    4KB

  • memory/3788-0-0x00007FF9CCF20000-0x00007FF9CD5E6000-memory.dmp

    Filesize

    6.8MB