Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-44522786.xls

  • Size

    62KB

  • MD5

    6f7ab55d7caabda3b0e0e386d83d8441

  • SHA1

    9733c63c1de0632ccc6a8a4bb085a2498fc6808a

  • SHA256

    c3cc821f31c3e7ba3b5e935b1b6f511b5790affbcd895983f6eaaa31f228a29b

  • SHA512

    db252e2f501890d6bcb3202d0fb49f6cff5f67374bcbca4d02ebbb667a3ccd2ddc1ea5a49701adf344efc7f71a69b79547b38f57a2b896796f443083ce9f8a16

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-44522786.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:3104
    • 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 4476
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4476
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2132

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2132-5-0x000001D68DD60000-0x000001D68DD61000-memory.dmp

    Filesize

    4KB

  • memory/2132-6-0x000001D68DD60000-0x000001D68DD61000-memory.dmp

    Filesize

    4KB

  • memory/2132-8-0x000001D68E5A0000-0x000001D68E5A1000-memory.dmp

    Filesize

    4KB

  • memory/2132-11-0x000001D68E7C0000-0x000001D68E7C1000-memory.dmp

    Filesize

    4KB

  • memory/2132-12-0x000001D68E7C0000-0x000001D68E7C1000-memory.dmp

    Filesize

    4KB

  • memory/2132-13-0x000001D68E7C0000-0x000001D68E7C1000-memory.dmp

    Filesize

    4KB

  • memory/2132-14-0x000001D68E4E0000-0x000001D68E4E1000-memory.dmp

    Filesize

    4KB

  • memory/3104-0-0x00007FFA23AA0000-0x00007FFA24166000-memory.dmp

    Filesize

    6.8MB

  • memory/3104-1-0x0000024737FBA000-0x0000024737FBF000-memory.dmp

    Filesize

    20KB