Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 22:55

General

  • Target

    document-1001639073.xls

  • Size

    426KB

  • MD5

    cae1444c9c0afc7bcd37edcee91aa2b5

  • SHA1

    3ffe3b7942667ae491e8b1af2453cd2bde1592ea

  • SHA256

    ca1a27b3f4acdc1974d687d1717a70a0460efb2f8db6085d7cf6de11df1f3d2d

  • SHA512

    68891b65516a5d51e57b9ed374bb1ac6bc1db8c8cdd5914ed1954619982a0af4b7bae46523ade5dac8d60969508d49a1606940a534a2e81604d05bc5886165a1

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\document-1001639073.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:904
    • 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 4472
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3512
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4472
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1744

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/904-0-0x00007FFE42E30000-0x00007FFE434F6000-memory.dmp

          Filesize

          6.8MB

        • memory/1744-4-0x00000224BF640000-0x00000224BF641000-memory.dmp

          Filesize

          4KB

        • memory/1744-5-0x00000224BF640000-0x00000224BF641000-memory.dmp

          Filesize

          4KB

        • memory/1744-7-0x00000224BFCA0000-0x00000224BFCA1000-memory.dmp

          Filesize

          4KB

        • memory/1744-10-0x00000224C00A0000-0x00000224C00A1000-memory.dmp

          Filesize

          4KB

        • memory/1744-12-0x00000224C0000000-0x00000224C0001000-memory.dmp

          Filesize

          4KB

        • memory/1744-13-0x00000224C0000000-0x00000224C0001000-memory.dmp

          Filesize

          4KB

        • memory/1744-14-0x00000224C0000000-0x00000224C0001000-memory.dmp

          Filesize

          4KB