Analysis
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max time kernel
100s -
max time network
147s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
12-11-2024 11:14
Behavioral task
behavioral1
Sample
Weave.exe
Resource
win10ltsc2021-20241023-en
gurcumilleniumratcollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerratspywarestealerupx
windows10-ltsc 2021-x64
57 signatures
150 seconds
Behavioral task
behavioral2
Sample
Weave.exe
Resource
win11-20241007-en
gurcumilleniumratcollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerratspywarestealerupx
windows11-21h2-x64
52 signatures
150 seconds
Behavioral task
behavioral3
Sample
main.pyc
Resource
win10ltsc2021-20241023-en
windows10-ltsc 2021-x64
5 signatures
150 seconds
Behavioral task
behavioral4
Sample
main.pyc
Resource
win11-20241007-en
windows11-21h2-x64
3 signatures
150 seconds
General
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Target
main.pyc
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Size
437B
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MD5
e3a83cc96bc468e8ed5e99b61ab1b08c
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SHA1
fc094fba9141e8ace98cce0309e1472b2471b631
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SHA256
893f6af6a7c380817dd8a1e5f63e72225b82c9775dc8ca40a449ed86c0427932
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SHA512
6d629486b39cef47bd2ce9b79ff792eebee83e4bdcbb30a756aabcbce75473a732ce2f3e89f0d200a4f9dc98765ce07538a9737cd428b2b372a6d36f4e78630d
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 2 IoCs
Processes:
OpenWith.execmd.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-87863914-780023816-688321450-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-87863914-780023816-688321450-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid process 4376 NOTEPAD.EXE -
Suspicious use of SetWindowsHookEx 15 IoCs
Processes:
OpenWith.exepid process 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe 4372 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
OpenWith.exedescription pid process target process PID 4372 wrote to memory of 4376 4372 OpenWith.exe NOTEPAD.EXE PID 4372 wrote to memory of 4376 4372 OpenWith.exe NOTEPAD.EXE
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc1⤵
- Modifies registry class
PID:2340
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\main.pyc2⤵
- Opens file in notepad (likely ransom note)
PID:4376
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