General
Target

bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.xls

Filesize

73KB

Completed

21-05-2022 18:15

Task

behavioral1

Score
10/10
MD5

a4a59476e4b7f10f3551ad5f8e78e32a

SHA1

b033140fb3b3ca0cc9782747b8fccdbed8e1076e

SHA256

bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1

SHA256

95fea99562de147e3bd826a0d9f8df244fd16d590850275f35e317689ba0fdd177d5171165a77f11d3c4cc4c12e1047e79b67dfae8e06393173d424eceb3ea10

Malware Config

Extracted

Language xlm4.0
Source
URLs
xlm40.dropper

http://hullsite.com/0a61/nm6lxocqt/

xlm40.dropper

https://bencevendeghaz.hu/wp-includes/cLrqBIwf8C/

xlm40.dropper

https://ppiabanyuwangi.or.id/wp-admin/3Se7giNXt7ZCHG/

xlm40.dropper

http://3dstudioa.com.br/cgi-bin/yWpon1Nd03l/

xlm40.dropper

http://anat-bar.co.il/wp-admin/kZarrjJN148onRnRi/

xlm40.dropper

http://claudioavelar.adv.br/Revista/JljahSR26i5k/

Signatures 5

Filter: none

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

    Reported IOCs

    pidprocess
    3904EXCEL.EXE
  • Suspicious use of FindShellTrayWindow
    EXCEL.EXE

    Reported IOCs

    pidprocess
    3904EXCEL.EXE
    3904EXCEL.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    3904EXCEL.EXE
    3904EXCEL.EXE
    3904EXCEL.EXE
    3904EXCEL.EXE
    3904EXCEL.EXE
    3904EXCEL.EXE
    3904EXCEL.EXE
    3904EXCEL.EXE
Processes 1
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.xls"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of FindShellTrayWindow
    Suspicious use of SetWindowsHookEx
    PID:3904
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/3904-117-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-118-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-119-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-120-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-129-0x00007FF89CDE0000-0x00007FF89CDF0000-memory.dmp

                        • memory/3904-130-0x00007FF89CDE0000-0x00007FF89CDF0000-memory.dmp

                        • memory/3904-279-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-280-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-281-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp

                        • memory/3904-282-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp