Analysis
-
max time kernel
127s -
max time network
130s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:32
Behavioral task
behavioral1
Sample
c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692.xls
Resource
win10-20220414-en
General
-
Target
c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692.xls
-
Size
95KB
-
MD5
803ad95f2d54ea0cdd2cd8c55897396e
-
SHA1
4f9fa8851dd112a3d74992bc91aac3aaca0f09c7
-
SHA256
c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692
-
SHA512
2ae707de234cbf38af7e4902e8619a23bf076f13d605f8cd8fd78bcba640b3f2df1fb5d27a98c3399f8facb0b682f27e3521a6db8976bd0da31d0e71143c2068
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
Signatures
-
Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2128 3332 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2904 3332 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3588 3332 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1500 3332 regsvr32.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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3332 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3332 EXCEL.EXE 3332 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE 3332 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3332 wrote to memory of 2128 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 2128 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 2904 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 2904 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 3588 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 3588 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 1500 3332 EXCEL.EXE regsvr32.exe PID 3332 wrote to memory of 1500 3332 EXCEL.EXE regsvr32.exe
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\c72d7fea5367e7dd91093daa592b8c3e291bbd697cb88b571c4e1add82949692.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1500-258-0x0000000000000000-mapping.dmp
-
memory/2128-253-0x0000000000000000-mapping.dmp
-
memory/2904-254-0x0000000000000000-mapping.dmp
-
memory/3332-121-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-122-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-131-0x00007FFCD37A0000-0x00007FFCD37B0000-memory.dmpFilesize
64KB
-
memory/3332-132-0x00007FFCD37A0000-0x00007FFCD37B0000-memory.dmpFilesize
64KB
-
memory/3332-119-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-120-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-294-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-295-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-296-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3332-297-0x00007FFCD6CB0000-0x00007FFCD6CC0000-memory.dmpFilesize
64KB
-
memory/3588-255-0x0000000000000000-mapping.dmp