Analysis
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max time kernel
136s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15/06/2024, 17:46
Static task
static1
Behavioral task
behavioral1
Sample
RAPYPL.json
Resource
win7-20240611-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
RAPYPL.json
Resource
win10v2004-20240508-en
6 signatures
150 seconds
General
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Target
RAPYPL.json
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Size
453.8MB
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MD5
a9117526f2b252416d2de44078524ee9
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SHA1
c599d387e08c372fbf3d3b382c8d3c0bb9d721e0
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SHA256
6368b1c015d6deda093be4e725d1204e1d3aacf54700c74315d841949f3f83f9
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SHA512
5700ee67248afd0b203f0cd5e2954294d27b99367804712c32a750ae1f719a28ca1b339fc083ff6e0ad773ff25cc40d9d9c2d43caec7e9ff66a7d5bc0686a2a6
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SSDEEP
49152:j3Wspe/JhFGmMi4LH4UPGWPe8WT1OzVQIsAGZTW3gcpjDy+2JAV7Wea2OuwN/HCn:0PWVxZ6uYnFkoF/D7W12IjfN
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 16 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings cmd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\.json\ = "json_auto_file" OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\턏⇬⬀鐀ā\ = "json_auto_file" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\ OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell\open\command OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\.json OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\\ = "json_auto_file" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell\open OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\턏⇬⬀鐀ā OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell\edit OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell\edit\command OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\json_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" OpenWith.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1368 NOTEPAD.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4472 OpenWith.exe -
Suspicious use of SetWindowsHookEx 23 IoCs
pid Process 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe 4472 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4472 wrote to memory of 1368 4472 OpenWith.exe 104 PID 4472 wrote to memory of 1368 4472 OpenWith.exe 104
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\RAPYPL.json1⤵
- Modifies registry class
PID:976
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\RAPYPL.json2⤵
- Opens file in notepad (likely ransom note)
PID:1368
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