Analysis

  • max time kernel
    96s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-588996186.xls

  • Size

    62KB

  • MD5

    4cc90dbaf846709721eefca387a89555

  • SHA1

    6a1f605c6224c30f67c3b3b4abc507707e0b05b3

  • SHA256

    741d350c5d7b45cac0f4e8790574737ea1e1cac72eb02d6365899bd0c4c4bc5b

  • SHA512

    1420d7e92c7542c6ab614c5bd5f9ac5eb19e0e896bf110c76cb45d264d75eb6b80a51781fd38f5b249b4508aeddb5d44aa596d8f45a8500a4dd559f7bdb52939

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-588996186.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:1012
    • 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 4652
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4652
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1012-0-0x00007FFE42D10000-0x00007FFE433D6000-memory.dmp

    Filesize

    6.8MB

  • memory/1952-6-0x0000019A5FF40000-0x0000019A5FF41000-memory.dmp

    Filesize

    4KB

  • memory/1952-7-0x0000019A5FF40000-0x0000019A5FF41000-memory.dmp

    Filesize

    4KB

  • memory/1952-9-0x0000019A60720000-0x0000019A60721000-memory.dmp

    Filesize

    4KB

  • memory/1952-12-0x0000019A60A20000-0x0000019A60A21000-memory.dmp

    Filesize

    4KB

  • memory/1952-13-0x0000019A60A20000-0x0000019A60A21000-memory.dmp

    Filesize

    4KB

  • memory/1952-14-0x0000019A60A20000-0x0000019A60A21000-memory.dmp

    Filesize

    4KB