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Analysis
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max time kernel
159s -
max time network
160s -
platform
windows11-21h2_x64 -
resource
win11-20250217-en -
resource tags
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submitted
03/03/2025, 21:47
General
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Target
CryptoLocker.exe
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Size
338KB
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MD5
04fb36199787f2e3e2135611a38321eb
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SHA1
65559245709fe98052eb284577f1fd61c01ad20d
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SHA256
d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
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SHA512
533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444
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SSDEEP
6144:sWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvC:sWkEuCaNT85I2vCMX5l+ZRv
Malware Config
Signatures
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CryptoLocker
Ransomware family with multiple variants.
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Cryptolocker family
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Deletes itself 1 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of FindShellTrayWindow 14 IoCs
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Suspicious use of SendNotifyMessage 13 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CryptoLocker.exe"C:\Users\Admin\AppData\Local\Temp\CryptoLocker.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\CryptoLocker.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w000002343⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\GrantRepair.mp4"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
338KB
MD504fb36199787f2e3e2135611a38321eb
SHA165559245709fe98052eb284577f1fd61c01ad20d
SHA256d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
SHA512533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444
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Filesize
348KB
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Filesize
496KB
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Filesize
208KB
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Filesize
68KB
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Filesize
116KB
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Filesize
68KB
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Filesize
2.0MB
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Filesize
92KB
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Filesize
68KB
-
Filesize
92KB
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Filesize
96KB
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Filesize
260KB
-
Filesize
412KB
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Filesize
2.3MB
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Filesize
68KB
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Filesize
16.7MB
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Filesize
992KB
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Filesize
192KB
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Filesize
68KB
-
Filesize
96KB
-
Filesize
68KB
-
Filesize
108KB
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Filesize
68KB
-
Filesize
68KB
-
Filesize
68KB
-
Filesize
96KB
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Filesize
132KB
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Filesize
2.7MB
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Filesize
16.7MB
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Filesize
992KB
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Filesize
2.7MB
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Filesize
208KB
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Filesize
348KB