Analysis
-
max time kernel
130s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 22:45
Behavioral task
behavioral1
Sample
cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.xls
Resource
win10-20220812-en
General
-
Target
cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.xls
-
Size
217KB
-
MD5
c7911de4f663065623db94da9ecdad27
-
SHA1
99da7b8cdd23c8cf51b0c0b7273a0e942634119a
-
SHA256
cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d
-
SHA512
6ebb0b61faccb7700b8410f439636d7b15026a236157b22465586c479ac77f7d7b62c268f38884806c193e2a434e4e7a7979d191eb4fba349f99dbf2515e3b50
-
SSDEEP
6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm75nT:1bGUMVWlbp
Malware Config
Extracted
http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/
http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/
http://sourcecool.com/throng/iOD/
http://www.stickers-et-deco.com/Adapter/lYw/
Signatures
-
Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4932 3976 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4896 3976 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3008 3976 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 700 3976 regsvr32.exe 65 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 3976 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3976 EXCEL.EXE 3976 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE 3976 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3976 wrote to memory of 4932 3976 EXCEL.EXE 68 PID 3976 wrote to memory of 4932 3976 EXCEL.EXE 68 PID 3976 wrote to memory of 4896 3976 EXCEL.EXE 69 PID 3976 wrote to memory of 4896 3976 EXCEL.EXE 69 PID 3976 wrote to memory of 3008 3976 EXCEL.EXE 70 PID 3976 wrote to memory of 3008 3976 EXCEL.EXE 70 PID 3976 wrote to memory of 700 3976 EXCEL.EXE 71 PID 3976 wrote to memory of 700 3976 EXCEL.EXE 71
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\cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.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
PID:3976 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
PID:4932
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
PID:4896
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
PID:3008
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
PID:700
-