General
Target

4a0d7e787a0bdfd806d29fe78cb56b3bd257497c59e1f197f72aa51cc91dc696.xls

Filesize

78KB

Completed

21-05-2022 18:00

Task

behavioral1

Score
10/10
MD5

ce3701bea6edec5491a8fd80388a82fa

SHA1

4af0feaecc87d1c0a272d5da53196a2789ee4085

SHA256

4a0d7e787a0bdfd806d29fe78cb56b3bd257497c59e1f197f72aa51cc91dc696

SHA256

ae8783dcf981e19e7bf760f89f7cc1758cc7273378c9f14dc7c31a5efa3ba6874a634ac2e9b2057e48c0388b863dd11ca894c85b451c390dd909b928c8541bdc

Malware Config

Extracted

Language xlm4.0
Source
URLs
xlm40.dropper

https://hostal-alfonso12.com/clases/SKtPvv/

xlm40.dropper

http://howesitgoing.com/images/HyaDnlbl6K7tbh2Lugys/

xlm40.dropper

https://www.jdserralheria.com.br/cgi-bin/KFG6/

xlm40.dropper

http://inteirado.com.br/fonts/7dJCVvuE5x3YrGQs2oJz/

xlm40.dropper

http://iciee.untirta.ac.id/test/GccRw/

xlm40.dropper

https://ideoso.com.tw/cgi-bin/zLrnBd2Eg1N3UVy5yL/

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
    3948EXCEL.EXE
  • Suspicious use of FindShellTrayWindow
    EXCEL.EXE

    Reported IOCs

    pidprocess
    3948EXCEL.EXE
    3948EXCEL.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    3948EXCEL.EXE
    3948EXCEL.EXE
    3948EXCEL.EXE
    3948EXCEL.EXE
    3948EXCEL.EXE
    3948EXCEL.EXE
    3948EXCEL.EXE
    3948EXCEL.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\4a0d7e787a0bdfd806d29fe78cb56b3bd257497c59e1f197f72aa51cc91dc696.xls"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of FindShellTrayWindow
    Suspicious use of SetWindowsHookEx
    PID:3948
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/3948-117-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-118-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-119-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-120-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-129-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmp

                        • memory/3948-130-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmp

                        • memory/3948-281-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-282-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-283-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp

                        • memory/3948-284-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmp