Analysis

  • max time kernel
    83s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-458185013.xls

  • Size

    62KB

  • MD5

    337c1b1367721c51ffc08e0fba3a4152

  • SHA1

    0781910fb73dd009bdd241251b9cf2fbe63606f2

  • SHA256

    05ff5b63645eb887f5ca3cb9f47cb5ac823daef93ac6068fb2509536d96f240b

  • SHA512

    b47af70a7d20b9a7baf4742ba0b937516b01f8fb61e8ee07373d9e5ff597ba5f79099a3845ff393a100c08f052f4eba055634ff762d85110745d78d6cf0c9c08

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-458185013.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:3828
    • 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 4420
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4420
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2228-6-0x00000160251D0000-0x00000160251D1000-memory.dmp

    Filesize

    4KB

  • memory/2228-7-0x00000160251D0000-0x00000160251D1000-memory.dmp

    Filesize

    4KB

  • memory/2228-9-0x00000160258A0000-0x00000160258A1000-memory.dmp

    Filesize

    4KB

  • memory/2228-12-0x00000160258A0000-0x00000160258A1000-memory.dmp

    Filesize

    4KB

  • memory/2228-13-0x0000016025CA0000-0x0000016025CA1000-memory.dmp

    Filesize

    4KB

  • memory/2228-15-0x0000016025BE0000-0x0000016025BE1000-memory.dmp

    Filesize

    4KB

  • memory/2228-16-0x0000016025BE0000-0x0000016025BE1000-memory.dmp

    Filesize

    4KB

  • memory/2228-17-0x0000016025BE0000-0x0000016025BE1000-memory.dmp

    Filesize

    4KB

  • memory/2228-18-0x00000160257E0000-0x00000160257E1000-memory.dmp

    Filesize

    4KB

  • memory/3828-0-0x00007FFA44340000-0x00007FFA44A06000-memory.dmp

    Filesize

    6.8MB