Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
26-08-2024 06:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe
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Size
46KB
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MD5
58feb25b7e7ed656d87aef79c2b0d4c8
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SHA1
dbff6245b5bafcace1ae33d324407288e8a4e81c
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SHA256
d79d940fe7db6d5c80496d80fb4855397d51785089834c66a329bba7bf699a82
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SHA512
8bc4cd8bc9784bbcc33850297bd1cc3a1f02bf3f8ccda65a1dd3d0dbb66c43c0e63dc7cb8176824346e15676a8d32d589691d0949a7cc891ad802e35db91ecc4
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlIGe/1w:XS5nQJ24LR1bytOOtEvwDpjNbme/e
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2964 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2344 2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2344 wrote to memory of 2964 2344 2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe 30 PID 2344 wrote to memory of 2964 2344 2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe 30 PID 2344 wrote to memory of 2964 2344 2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe 30 PID 2344 wrote to memory of 2964 2344 2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-26_58feb25b7e7ed656d87aef79c2b0d4c8_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD5d9db8ca76d53b227202f889c665df3d2
SHA184443b90d7b9a57f951cf99b77d645b5e15685c5
SHA256ddb1aeb5dff3b1bb7e8f490cd160b28ad30bf4fb44fffa85e664770d5c8a8c03
SHA512a36070f651c3fe456c56bc0cdaa5bafff6ee3d0d4db9199880befffccab63269740c27ca3f7bc060c8841cc148a81baf1ae8c1e0690d597eee46b1c4d9de572e