Analysis
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max time kernel
23s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
15-03-2024 16:15
Static task
static1
Behavioral task
behavioral1
Sample
ex.py
Resource
win7-20240215-en
windows7-x64
6 signatures
150 seconds
General
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Target
ex.py
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Size
1008B
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MD5
511dc4247ba4a2a35782fb834bd7b240
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SHA1
fcf14c965c56e745c9edf5c353fd6deb01c2f818
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SHA256
91efcb8fa9e06965865d9cb0fa4985367b59ca129073d109e27cf8d117fb0833
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SHA512
83dddaf5f04d340c0eefdc9156e44576c16d8ef3311a8f789c2592a858968018cdcba75bfb72fdc33360c12c63af1c0521714bbe446042f4d6455129092eecf1
Score
3/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 12 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\open rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\open\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\edit rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\edit\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2604 NOTEPAD.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2676 rundll32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2604 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2832 wrote to memory of 2676 2832 cmd.exe 29 PID 2832 wrote to memory of 2676 2832 cmd.exe 29 PID 2832 wrote to memory of 2676 2832 cmd.exe 29 PID 2676 wrote to memory of 2604 2676 rundll32.exe 30 PID 2676 wrote to memory of 2604 2676 rundll32.exe 30 PID 2676 wrote to memory of 2604 2676 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ex.py1⤵
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ex.py2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ex.py3⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:2604
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\Desktop\ExitUnblock.bat" "1⤵PID:1036