Analysis

  • max time kernel
    145s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-05-2021 12:59

General

  • Target

    catalog-295819331.xls

  • Size

    367KB

  • MD5

    80a1976552ba348d725db1c3c3ff5a14

  • SHA1

    27963b4571a46f1cbd4dc9af90681d16d77e4ef8

  • SHA256

    4cb5af26782cfc92d9b813c409352532e5149a3c2b80bdeac5ac1228da568522

  • SHA512

    30545af59e4b8e9ee70fe398751b3d6333b50d9cf7745cb5662617c5588ccea29717f8ad1aa59b5e8f355417471a7324bd5e31fbf66388cc7447fc3ac9d33c7d

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 2 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 14 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\catalog-295819331.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\tuti.rut,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2164
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2164-179-0x0000000000000000-mapping.dmp

  • memory/3560-114-0x00007FF611670000-0x00007FF614C26000-memory.dmp

    Filesize

    53.7MB

  • memory/3560-116-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

    Filesize

    64KB

  • memory/3560-115-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

    Filesize

    64KB

  • memory/3560-117-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

    Filesize

    64KB

  • memory/3560-118-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

    Filesize

    64KB

  • memory/3560-122-0x00007FF8CDBE0000-0x00007FF8CDBF0000-memory.dmp

    Filesize

    64KB

  • memory/3560-121-0x00007FF8EE730000-0x00007FF8EF81E000-memory.dmp

    Filesize

    16.9MB

  • memory/3560-123-0x000002343CBF0000-0x000002343EAE5000-memory.dmp

    Filesize

    31.0MB

  • memory/3856-180-0x0000000000000000-mapping.dmp