Analysis
- max time kernel
122s - max time network
126s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
20/06/2024, 01:17
Behavioral task
behavioral1
Sample
cscpt.exe
Resource
win7-20240611-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
cscpt.exe
Resource
win10v2004-20240611-en
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
cscpt.pyc
Resource
win7-20240221-en
5 signatures
150 seconds
Behavioral task
behavioral4
Sample
cscpt.pyc
Resource
win10v2004-20240508-en
4 signatures
150 seconds
General
- Target cscpt.pyc
- Size 3KB
- Sample240620-bnst8a1aqa
- SHA256 3a179de32cb977b2d1068deed6abd7ce8b8855409f3340f9c44b4ed6d6c2764e
- MD5 6d460ee61d36b640775287551b1ebc31
- SHA1 98ab9ef5973eae0aea9333ccf7dc4124c0d55681
- SHA512 7bf2aa538a5adf7b21ca10a1257955adf80449064d5da3fcc8d097b1c86286c46b7c88f3fb2a6c77c68698536d60874f271f3267014316ce67abc7ab1426511a
- MD5 SHA1 SHA512
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pyc_auto_file\shell rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2680 AcroRd32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2680 AcroRd32.exe 2680 AcroRd32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2588 2856 cmd.exe 29 PID 2856 wrote to memory of 2588 2856 cmd.exe 29 PID 2856 wrote to memory of 2588 2856 cmd.exe 29 PID 2588 wrote to memory of 2680 2588 rundll32.exe 30 PID 2588 wrote to memory of 2680 2588 rundll32.exe 30 PID 2588 wrote to memory of 2680 2588 rundll32.exe 30 PID 2588 wrote to memory of 2680 2588 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\cscpt.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cscpt.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\cscpt.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2680
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
- Size 3KB
- SHA256 3ed55d148b7c816e41ee5cd603df61bee59c4e8e029eff000d5157b834f71eff
- MD5 45abc4256392567afc71233491ae7c8d
- SHA1 e6f181070bba41b11cdbe2c88f515ea2c403d9a6
- SHA512 a2dd2c1cb1dc1f56f378c9644960881783f25a9cb06f0415c91a65da20c370afde29a63cf7448cb8471956f132ebb6f533960be54f8e395c1fdc19d800f3715c
- MD5 SHA1 SHA512