General
Target

0d75c0d596711a82fce15125c0e964cf57e3735f0e67540e6e274f45826a53d0.xls

Filesize

78KB

Completed

21-05-2022 18:09

Task

behavioral1

Score
10/10
MD5

42ec184c4712f82f4f1133be7127e053

SHA1

2059499dae78ef3a3919b23603053feb611800f2

SHA256

0d75c0d596711a82fce15125c0e964cf57e3735f0e67540e6e274f45826a53d0

SHA256

eacb85d8f94078dc6504fb9bd6f3913938b5658694fa004d6cf161ed8ce0f0861cffa39cbf5c365924c7f57822ab8112f476206c8b73a9127b9429af22e87733

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 4

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 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
    2684EXCEL.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    2684EXCEL.EXE
    2684EXCEL.EXE
    2684EXCEL.EXE
    2684EXCEL.EXE
    2684EXCEL.EXE
    2684EXCEL.EXE
    2684EXCEL.EXE
    2684EXCEL.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\0d75c0d596711a82fce15125c0e964cf57e3735f0e67540e6e274f45826a53d0.xls"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of SetWindowsHookEx
    PID:2684
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/2684-117-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-118-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-119-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-120-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-129-0x00007FF9ACD30000-0x00007FF9ACD40000-memory.dmp

                        • memory/2684-130-0x00007FF9ACD30000-0x00007FF9ACD40000-memory.dmp

                        • memory/2684-283-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-284-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-285-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp

                        • memory/2684-286-0x00007FF9B08A0000-0x00007FF9B08B0000-memory.dmp