Analysis
- max time kernel
136s - max time network
129s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:54
Static task
static1
Behavioral task
behavioral1
Sample
FVS_37973521.xlsm
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
FVS_37973521.xlsm
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target FVS_37973521.xlsm
- Size 97KB
- Sample201109-xkydpc8e5e
- SHA256 a0dc2f247f51601b44404caa288f98c8cb081a7b0f4cdfda53607cd783294373
- MD5 e5c9911837c78a94dc7ccdc9c4814d2a
- SHA1 daff0608b2758b6cb10e68b0d1f2f25da0e136dd
- SHA512 1d43b861552cf1c017369d8920fabaf98c30287466f1821f10b61421ad0664069eca2817d1a0e0258a3dceb8cd0de83ba04d6414afbb1e83ee22416471b1f0d9
- MD5 SHA1 SHA512
Score
6/10
Malware Config
Signatures
- Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: EXCEL.EXE File opened (read-only) \??\R: EXCEL.EXE File opened (read-only) \??\V: EXCEL.EXE File opened (read-only) \??\F: EXCEL.EXE File opened (read-only) \??\K: EXCEL.EXE File opened (read-only) \??\L: EXCEL.EXE File opened (read-only) \??\O: EXCEL.EXE File opened (read-only) \??\P: EXCEL.EXE File opened (read-only) \??\Z: EXCEL.EXE File opened (read-only) \??\W: EXCEL.EXE File opened (read-only) \??\A: EXCEL.EXE File opened (read-only) \??\B: EXCEL.EXE File opened (read-only) \??\E: EXCEL.EXE File opened (read-only) \??\I: EXCEL.EXE File opened (read-only) \??\J: EXCEL.EXE File opened (read-only) \??\Q: EXCEL.EXE File opened (read-only) \??\S: EXCEL.EXE File opened (read-only) \??\G: EXCEL.EXE File opened (read-only) \??\M: EXCEL.EXE File opened (read-only) \??\N: EXCEL.EXE File opened (read-only) \??\T: EXCEL.EXE File opened (read-only) \??\U: EXCEL.EXE File opened (read-only) \??\X: EXCEL.EXE File opened (read-only) \??\Y: EXCEL.EXE - 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 4068 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.EXE 4068 EXCEL.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\FVS_37973521.xlsm"1⤵
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4068