Overview
overview
3Static
static
1stroop-mas...x.html
windows7-x64
1stroop-mas...x.html
windows10-2004-x64
1stroop-mas...ers.js
windows7-x64
1stroop-mas...ers.js
windows10-2004-x64
1stroop-mas...oop.js
windows7-x64
1stroop-mas...oop.js
windows10-2004-x64
1stroop-mas...oop.py
windows7-x64
3stroop-mas...oop.py
windows10-2004-x64
3stroop-mas...run.py
windows7-x64
3stroop-mas...run.py
windows10-2004-x64
3stroop-mas...s.xlsx
windows7-x64
1stroop-mas...s.xlsx
windows10-2004-x64
1Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-04-2024 01:37
Static task
static1
Behavioral task
behavioral1
Sample
stroop-master/index.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
stroop-master/index.html
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
stroop-master/stroop-legacy-browsers.js
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
stroop-master/stroop-legacy-browsers.js
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
stroop-master/stroop.js
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
stroop-master/stroop.js
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
stroop-master/stroop.py
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
stroop-master/stroop.py
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
stroop-master/stroop_lastrun.py
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
stroop-master/stroop_lastrun.py
Resource
win10v2004-20240412-en
Behavioral task
behavioral11
Sample
stroop-master/trialTypes.xlsx
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
stroop-master/trialTypes.xlsx
Resource
win10v2004-20240412-en
General
-
Target
stroop-master/stroop_lastrun.py
-
Size
16KB
-
MD5
b4bd22ca7a59ac2691de4d2378f4b916
-
SHA1
744183a77b3d31ab9d5183aed3141936d70a18e3
-
SHA256
8cd8aeac310020d007ec5e468d63b7aa9456db94298fc2f6a266d1b33985caa5
-
SHA512
37f1df8960d44719429b5db6c139710d355f9f49fc04cd2c207242290b592afd07cc62cd7ddaee6905ad9b0337387b2e4ab76847525724519b444dee51a9ccb7
-
SSDEEP
384:2HiTOzL3oPCmel3873XQs0efdsbXhAPHPWWSr1zaK:2CizgCmep873XQ5efWbXh6H+WSrJx
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\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\py_auto_file\shell rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2808 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2808 AcroRd32.exe 2808 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2156 wrote to memory of 2644 2156 cmd.exe 29 PID 2156 wrote to memory of 2644 2156 cmd.exe 29 PID 2156 wrote to memory of 2644 2156 cmd.exe 29 PID 2644 wrote to memory of 2808 2644 rundll32.exe 30 PID 2644 wrote to memory of 2808 2644 rundll32.exe 30 PID 2644 wrote to memory of 2808 2644 rundll32.exe 30 PID 2644 wrote to memory of 2808 2644 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\stroop-master\stroop_lastrun.py1⤵
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\stroop-master\stroop_lastrun.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2644 -
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\stroop-master\stroop_lastrun.py"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2808
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5aa034dea54116c6ec8d09988cbb193fe
SHA125de4a359ea5f3a4482de89474855dbfd3253833
SHA2567e858d10ce5ef792a4ced486b4118e211cab88e1cf1579618ac8f4c4255fb4d7
SHA51210ba46603e1042823e29c621a2b069c43dfead2ecdcb659a67f2bc2aa7b80f6885382474db7499843e9c24f80f02151ba416334b86070e9f10cc3114b3d44e6a