Analysis

  • max time kernel
    136s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-347551717.xls

  • Size

    62KB

  • MD5

    d878f924aee710320e13bbc726e83233

  • SHA1

    780cbae4f106ba1354d537e3b3531dabbb6e9a08

  • SHA256

    5367352d3bf6e369c752291c83f9a196b2335dbe147b10149280292e709b2d82

  • SHA512

    68688de7da5ee7569e4462c2a19e488f34168ce1015480a1a140579ef6ef8bc033f7ac40413c927d17b7e9853cee924b607e7534a7f1b4213a220a9f13121cfb

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-347551717.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 4476
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4476
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1676-5-0x00000233F0DE0000-0x00000233F0DE1000-memory.dmp

    Filesize

    4KB

  • memory/1676-6-0x00000233F0DE0000-0x00000233F0DE1000-memory.dmp

    Filesize

    4KB

  • memory/1676-8-0x00000233F1480000-0x00000233F1481000-memory.dmp

    Filesize

    4KB

  • memory/1676-11-0x00000233F17B0000-0x00000233F17B1000-memory.dmp

    Filesize

    4KB

  • memory/1676-12-0x00000233F17B0000-0x00000233F17B1000-memory.dmp

    Filesize

    4KB

  • memory/1676-13-0x00000233F17B0000-0x00000233F17B1000-memory.dmp

    Filesize

    4KB

  • memory/3832-0-0x00007FFDD5E40000-0x00007FFDD6506000-memory.dmp

    Filesize

    6.8MB