Analysis

  • max time kernel
    13s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-701289589.xls

  • Size

    62KB

  • MD5

    0a3e4a4306d4d9ccf1e3aa14305c4705

  • SHA1

    37d91dfb8934dfd1221e847f4ba6c3777731596b

  • SHA256

    77ed5c2c804488f816c2e84f360b87194225f5a42609ed07a715209bdbba5abc

  • SHA512

    1686a6f55cc0a0d088724d8bfa47512da2c04129c9accabd6b5a0f4c21ec382c8cb6d297d6f4d3298a34e678fcabf4fd531b391c56fb4bd3624ea007d4e9ae1d

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-701289589.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:3920
    • 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 4444
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4444
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2784-6-0x000002A6A4B00000-0x000002A6A4B01000-memory.dmp

    Filesize

    4KB

  • memory/2784-5-0x000002A6A4B00000-0x000002A6A4B01000-memory.dmp

    Filesize

    4KB

  • memory/2784-8-0x000002A6A5210000-0x000002A6A5211000-memory.dmp

    Filesize

    4KB

  • memory/2784-11-0x000002A6A5490000-0x000002A6A5491000-memory.dmp

    Filesize

    4KB

  • memory/2784-12-0x000002A6A5490000-0x000002A6A5491000-memory.dmp

    Filesize

    4KB

  • memory/2784-13-0x000002A6A5490000-0x000002A6A5491000-memory.dmp

    Filesize

    4KB

  • memory/3920-0-0x00007FF88C020000-0x00007FF88C6E6000-memory.dmp

    Filesize

    6.8MB