Analysis
-
max time kernel
125s -
max time network
137s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:17
Behavioral task
behavioral1
Sample
f7f1bade7382c65a2c7fb3217a4861f9ded5c5bcb07b584751a9da71460fc9cf.xls
Resource
win10-20220414-en
General
-
Target
f7f1bade7382c65a2c7fb3217a4861f9ded5c5bcb07b584751a9da71460fc9cf.xls
-
Size
95KB
-
MD5
02eca2ca4cda375159288b9ec47c4886
-
SHA1
1b80372e61e2e17b001ef28d757893ce10b3f5bf
-
SHA256
f7f1bade7382c65a2c7fb3217a4861f9ded5c5bcb07b584751a9da71460fc9cf
-
SHA512
3b1a6af289269137ca00ae9c7dba6d12c1ae4861016bd1e5663c99f975c9eb07ac0e35ca6d88b3a919b7e44d53f2d4005844c19dbcad8b55dabdc95f0276cc23
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 2756 1952 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2112 1952 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3900 1952 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3692 1952 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 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 1952 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1952 EXCEL.EXE 1952 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE 1952 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1952 wrote to memory of 2756 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 2756 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 2112 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 2112 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 3900 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 3900 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 3692 1952 EXCEL.EXE regsvr32.exe PID 1952 wrote to memory of 3692 1952 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\f7f1bade7382c65a2c7fb3217a4861f9ded5c5bcb07b584751a9da71460fc9cf.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/1952-297-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-120-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-121-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-122-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-131-0x00007FF93E820000-0x00007FF93E830000-memory.dmpFilesize
64KB
-
memory/1952-132-0x00007FF93E820000-0x00007FF93E830000-memory.dmpFilesize
64KB
-
memory/1952-119-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-298-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-296-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/1952-295-0x00007FF941370000-0x00007FF941380000-memory.dmpFilesize
64KB
-
memory/2112-254-0x0000000000000000-mapping.dmp
-
memory/2756-253-0x0000000000000000-mapping.dmp
-
memory/3692-258-0x0000000000000000-mapping.dmp
-
memory/3900-255-0x0000000000000000-mapping.dmp