Analysis

  • max time kernel
    147s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 08:45

General

  • Target

    2461d35a86e8c4058d3d8e8a538e1fcb3522ec628bd627dad5a146a4924a9b4a.xls

  • Size

    193KB

  • MD5

    2ee6db97049ae5df0187e6dac3fe3b91

  • SHA1

    f73953e1ed8f6f08b608ffcecaa1187171f09deb

  • SHA256

    2461d35a86e8c4058d3d8e8a538e1fcb3522ec628bd627dad5a146a4924a9b4a

  • SHA512

    0b3c3120972d9679c9b0ad51f5e897a6e3f05bf49641f4723be22b64c2dbf7a97ee822542f438e67740049bbed33dd1238f19dabcceef473dfc8b7fc13290ffc

  • SSDEEP

    6144:n1gxv7yZmspH7+cclKisMaX+9PwRnmzI:

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 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\2461d35a86e8c4058d3d8e8a538e1fcb3522ec628bd627dad5a146a4924a9b4a.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\system32\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:4360
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:4396
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:2552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1208-132-0x00007FF8FD290000-0x00007FF8FD2A0000-memory.dmp

    Filesize

    64KB

  • memory/1208-133-0x00007FF8FD290000-0x00007FF8FD2A0000-memory.dmp

    Filesize

    64KB

  • memory/1208-134-0x00007FF8FD290000-0x00007FF8FD2A0000-memory.dmp

    Filesize

    64KB

  • memory/1208-135-0x00007FF8FD290000-0x00007FF8FD2A0000-memory.dmp

    Filesize

    64KB

  • memory/1208-136-0x00007FF8FD290000-0x00007FF8FD2A0000-memory.dmp

    Filesize

    64KB

  • memory/1208-137-0x00007FF8FAD20000-0x00007FF8FAD30000-memory.dmp

    Filesize

    64KB

  • memory/1208-138-0x00007FF8FAD20000-0x00007FF8FAD30000-memory.dmp

    Filesize

    64KB