e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690

General
Target

e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690.xlsm

Filesize

83KB

Completed

15-01-2022 01:28

Score
10/10
MD5

8a33badcc1ed80af8d3ba0f02b85a8e7

SHA1

a1374206e356e9ad4ae461511c76b543d969b6f0

SHA256

e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690

Malware Config

Extracted

Language xlm4.0
Source
URLs
xlm40.dropper

http://mail.emilyanncain.com/cgi-bin/A7NT3ENvn/

xlm40.dropper

https://wordpress.baishuweb.com/wp-includes/10q0ice6/

xlm40.dropper

http://monorailegypt.com/wp-admin/6uBf9CCfZRMh/

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 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
    2240EXCEL.EXE
  • Suspicious use of SetWindowsHookEx
    EXCEL.EXE

    Reported IOCs

    pidprocess
    2240EXCEL.EXE
    2240EXCEL.EXE
    2240EXCEL.EXE
    2240EXCEL.EXE
    2240EXCEL.EXE
    2240EXCEL.EXE
    2240EXCEL.EXE
    2240EXCEL.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\e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690.xlsm"
    Checks processor information in registry
    Enumerates system info in registry
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of SetWindowsHookEx
    PID:2240
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/2240-115-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

                        • memory/2240-116-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

                        • memory/2240-117-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

                        • memory/2240-118-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

                        • memory/2240-119-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

                        • memory/2240-120-0x000001ADAE5C0000-0x000001ADAE5C2000-memory.dmp

                        • memory/2240-121-0x000001ADAE5C0000-0x000001ADAE5C2000-memory.dmp

                        • memory/2240-122-0x000001ADAE5C0000-0x000001ADAE5C2000-memory.dmp

                        • memory/2240-128-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmp

                        • memory/2240-129-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmp