Analysis
-
max time kernel
205s -
max time network
210s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 19:58
Behavioral task
behavioral1
Sample
679ad72d01e3d20197f244943a258916a21b9e8cf9dd6e7952e4726bf7317ee5.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
679ad72d01e3d20197f244943a258916a21b9e8cf9dd6e7952e4726bf7317ee5.xls
Resource
win10v2004-20221111-en
General
-
Target
679ad72d01e3d20197f244943a258916a21b9e8cf9dd6e7952e4726bf7317ee5.xls
-
Size
78KB
-
MD5
a79c7ab6a921807da9ba58b07e1cd865
-
SHA1
98452c34ff97647284fb68e83b70cf17d9658763
-
SHA256
679ad72d01e3d20197f244943a258916a21b9e8cf9dd6e7952e4726bf7317ee5
-
SHA512
cb7828cc4233b16fc40d195525b8b5f3cabe40393a486c0a79a26c6020d6544cf1c123d1307d241baae63a770acae7e2cfe7751b5bafd93649a5f318b261b96f
-
SSDEEP
1536:ZSToT2jcc0lbxOqTgncCOU/WwF133qmc:B2jcc0lbxOKrDWqmc
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 4348 332 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4804 332 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4868 332 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 332 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
EXCEL.EXEpid process 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 332 wrote to memory of 4348 332 EXCEL.EXE cmd.exe PID 332 wrote to memory of 4348 332 EXCEL.EXE cmd.exe PID 332 wrote to memory of 4804 332 EXCEL.EXE cmd.exe PID 332 wrote to memory of 4804 332 EXCEL.EXE cmd.exe PID 332 wrote to memory of 4868 332 EXCEL.EXE cmd.exe PID 332 wrote to memory of 4868 332 EXCEL.EXE cmd.exe PID 4348 wrote to memory of 4012 4348 cmd.exe attrib.exe PID 4348 wrote to memory of 4012 4348 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\679ad72d01e3d20197f244943a258916a21b9e8cf9dd6e7952e4726bf7317ee5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- 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/332-132-0x00007FF84E110000-0x00007FF84E120000-memory.dmpFilesize
64KB
-
memory/332-133-0x00007FF84E110000-0x00007FF84E120000-memory.dmpFilesize
64KB
-
memory/332-134-0x00007FF84E110000-0x00007FF84E120000-memory.dmpFilesize
64KB
-
memory/332-135-0x00007FF84E110000-0x00007FF84E120000-memory.dmpFilesize
64KB
-
memory/332-136-0x00007FF84E110000-0x00007FF84E120000-memory.dmpFilesize
64KB
-
memory/332-137-0x00007FF84BCD0000-0x00007FF84BCE0000-memory.dmpFilesize
64KB
-
memory/332-138-0x00007FF84BCD0000-0x00007FF84BCE0000-memory.dmpFilesize
64KB
-
memory/4012-142-0x0000000000000000-mapping.dmp
-
memory/4348-139-0x0000000000000000-mapping.dmp
-
memory/4804-140-0x0000000000000000-mapping.dmp
-
memory/4868-141-0x0000000000000000-mapping.dmp