Overview

overview

10

Static

static

8

Documents_...71.xls

windows7_x64

10

Documents_...71.xls

windows10_x64

10

Analysis

  • max time kernel
    145s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-03-2021 19:43

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General

  • Target

    Documents_635358571.xls

  • Size

    273KB

  • MD5

    93dfa9ea842aa55647c9aacfa43e45c3

  • SHA1

    2b6e02a58673871f6b4c0f227c1756f030b58dd1

  • SHA256

    1cd45cb289571c6dd78d5cacba444eb4b870ba105f22db28270c98cb8e521709

  • SHA512

    25fdc515615e35a712dbe6fe49fd27b822682d546f7f8cceb6f9125a1ca8dfec37682fcc9735ef30efa8e87ea677d8b82e2eed11464c78737c0b6e6a71fb0b98

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 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\Documents_635358571.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\sfdgsd.dss,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\sfdgsd.dss
    MD5

    1a83122521d435027f6250ee48134e15

    SHA1

    eb14c9a2a790671fc8d68cda6cd32476702da696

    SHA256

    16f38ff7de156cf13ee3e18ec25f551996ca999c3aecd67fccc9471715a8d944

    SHA512

    7f2f5f8a1ef35c3533f28df72e50cd3497e08c70732e8c14c688a446152aced5e517c802b856565cfff40b2989c859907feab3152ff2b250f63ac8f6f5cb45a8

    Download Submit
  • memory/1276-2-0x00007FFC444D0000-0x00007FFC444E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1276-3-0x00007FFC444D0000-0x00007FFC444E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1276-4-0x00007FFC444D0000-0x00007FFC444E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1276-5-0x00007FFC68260000-0x00007FFC68897000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1276-6-0x00007FFC444D0000-0x00007FFC444E0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3624-7-0x0000000000000000-mapping.dmp
    Download