document-1460277780.xls

General
Target

document-1460277780.xls

Filesize

331KB

Completed

26-11-2020 16:23

Score
10 /10
MD5

8daf15bc79db4badf16cb6877da759af

SHA1

433b4aef1f346912d7243c708a6453371cee5dbe

SHA256

ee19fb53c556fbd204d6828e579fe519bf7419bb3d917aadc25291f86f74e573

Malware Config
Signatures 6

Filter: none

Discovery
  • Process spawned unexpected child process
    regsvr32.exe

    Description

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

    Reported IOCs

    descriptionpidpid_targetprocesstarget process
    Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process42044772regsvr32.exeEXCEL.EXE
  • Checks processor information in registry
    EXCEL.EXE

    Description

    Processor information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0EXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHzEXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameStringEXCEL.EXE
  • Enumerates system info in registry
    EXCEL.EXE

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\Hardware\Description\System\BIOSEXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamilyEXCEL.EXE
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKUEXCEL.EXE
  • Suspicious behavior: AddClipboardFormatListener
    EXCEL.EXE

    Reported IOCs

    pidprocess
    4772EXCEL.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
    4772EXCEL.EXE
  • Suspicious use of WriteProcessMemory
    EXCEL.EXE

    Reported IOCs

    descriptionpidprocesstarget process
    PID 4772 wrote to memory of 42044772EXCEL.EXEregsvr32.exe
    PID 4772 wrote to memory of 42044772EXCEL.EXEregsvr32.exe
Processes 2
  • 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-1460277780.xls"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Windows\SYSTEM32\regsvr32.exe
      regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
      Process spawned unexpected child process
      PID:4204
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Execution
            Exfiltration
              Impact
                Initial Access
                  Lateral Movement
                    Persistence
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • memory/4204-3-0x0000000000000000-mapping.dmp

                        • memory/4772-2-0x00007FFF46210000-0x00007FFF46847000-memory.dmp