Analysis
-
max time kernel
154s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 11:36
Behavioral task
behavioral1
Sample
372ed5de4a91fed82ac7aa1c4e8e2df7f0610510331dd7ebed9f6bbcb7bb1cf5.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
372ed5de4a91fed82ac7aa1c4e8e2df7f0610510331dd7ebed9f6bbcb7bb1cf5.xls
Resource
win10v2004-20220812-en
General
-
Target
372ed5de4a91fed82ac7aa1c4e8e2df7f0610510331dd7ebed9f6bbcb7bb1cf5.xls
-
Size
109KB
-
MD5
d0c3bd89f949b3f0427a11a9cbcc2e9b
-
SHA1
925eec4e658b2ba0203a15b9917986c0b51fef17
-
SHA256
372ed5de4a91fed82ac7aa1c4e8e2df7f0610510331dd7ebed9f6bbcb7bb1cf5
-
SHA512
658d8710c592401a63204b33dbfce7a8d5b0d59b9286a8bb3497b171d83da7f8a8b6ff17e29ed1e5e68147c212bed37372ae6adc72128525a3c5140938e1ab9c
-
SSDEEP
1536:7lllJ1NrYNzWV3W1MLb6zQ7ITkR62laM88dcJtXwFfM2M/MMUzTycMufi:8zWVGDzQ7ITk9FjWJtXwO5kXVO
Malware Config
Signatures
-
Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 724 1688 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4632 1688 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2600 1688 cmd.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\91575E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1688 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE 1688 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 1688 wrote to memory of 724 1688 EXCEL.EXE cmd.exe PID 1688 wrote to memory of 724 1688 EXCEL.EXE cmd.exe PID 1688 wrote to memory of 4632 1688 EXCEL.EXE cmd.exe PID 1688 wrote to memory of 4632 1688 EXCEL.EXE cmd.exe PID 1688 wrote to memory of 2600 1688 EXCEL.EXE cmd.exe PID 1688 wrote to memory of 2600 1688 EXCEL.EXE cmd.exe PID 724 wrote to memory of 2808 724 cmd.exe attrib.exe PID 724 wrote to memory of 2808 724 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\372ed5de4a91fed82ac7aa1c4e8e2df7f0610510331dd7ebed9f6bbcb7bb1cf5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/724-139-0x0000000000000000-mapping.dmp
-
memory/1688-138-0x00007FFB6E6B0000-0x00007FFB6E6C0000-memory.dmpFilesize
64KB
-
memory/1688-144-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-135-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-136-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-137-0x00007FFB6E6B0000-0x00007FFB6E6C0000-memory.dmpFilesize
64KB
-
memory/1688-132-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-133-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-147-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-146-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-145-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/1688-134-0x00007FFB70CF0000-0x00007FFB70D00000-memory.dmpFilesize
64KB
-
memory/2600-141-0x0000000000000000-mapping.dmp
-
memory/2808-142-0x0000000000000000-mapping.dmp
-
memory/4632-140-0x0000000000000000-mapping.dmp