Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
10/03/2024, 19:47
General
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Target
2024-03-10_4df49f1a8681af0b3000d66d26214cad_cryptolocker.exe
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Size
50KB
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MD5
4df49f1a8681af0b3000d66d26214cad
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SHA1
f9c9119fd4821b998839344bddf7b9fc08b8a3f3
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SHA256
b8e1028e21d5f167f2a2b02d19e9c71256e6d5adc5c2fe75313892a81478cff6
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SHA512
bdfb4af6d400101215aacda698d1544867935e3a681284f484f1656b45ab3b5b81f6228f2361292a6dae8246fb30cb72d096b2d2d6bc7c602084a46b1f8bafc1
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQPdUvs:BbdDmjr+OtEvwDpjMXt
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-10_4df49f1a8681af0b3000d66d26214cad_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-10_4df49f1a8681af0b3000d66d26214cad_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD50d9809a179a4cd1fe9b8116c49bb7a24
SHA106f0b384f4ad8cb399406c47ac392229a7d1c891
SHA256620c131dde3a05f85d4cc77c399513c545c4019f6a8ab35b995cb53843690b53
SHA51267ee27edffbdb9f057116d85b393dc4c8185f2eac95057a133a153e2b4b6b1906d386de8ca770c130b8e1a2317e12ccc93400e84f8bf9a91832fa6cbf32ed18d
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB