Analysis

  • max time kernel
    89s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-685221994.xls

  • Size

    62KB

  • MD5

    1436fb4305ddc8014d0fd39e034c3da4

  • SHA1

    73b7d2a52c5189529fe6d64cc6216d32a24b70a1

  • SHA256

    d0f7af0210b2cff2a1947433f3d70283c546f5a4fbe2960ced8a5ca5802e6b5e

  • SHA512

    30a0a7ec82ae2a9c5289e8a0cc3ffe450bf8258f9d0179a04d0bdd5d6ea1baef753e57b369f5c880b05361e00566aedb499c6b46e682c6d8b4bc246d067bc62f

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-685221994.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:744
    • 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 4448
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3156
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4448
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:204

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/204-5-0x000001B9A78A0000-0x000001B9A78A1000-memory.dmp

    Filesize

    4KB

  • memory/204-6-0x000001B9A78A0000-0x000001B9A78A1000-memory.dmp

    Filesize

    4KB

  • memory/204-8-0x000001B9A7F00000-0x000001B9A7F01000-memory.dmp

    Filesize

    4KB

  • memory/204-9-0x000001B9A8290000-0x000001B9A8291000-memory.dmp

    Filesize

    4KB

  • memory/204-10-0x000001B9A8290000-0x000001B9A8291000-memory.dmp

    Filesize

    4KB

  • memory/204-11-0x000001B9A8290000-0x000001B9A8291000-memory.dmp

    Filesize

    4KB

  • memory/204-12-0x000001B9A7E20000-0x000001B9A7E21000-memory.dmp

    Filesize

    4KB

  • memory/744-0-0x00007FF98FC90000-0x00007FF990356000-memory.dmp

    Filesize

    6.8MB