Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
26/04/2024, 05:03
General
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Target
2024-04-26_af33d0712e5e05afa52e208f80bc08b9_cryptolocker.exe
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Size
70KB
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MD5
af33d0712e5e05afa52e208f80bc08b9
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SHA1
0f1ee50efb928865839d16f14b46e1932a83c0b2
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SHA256
7cce745925630716b19ff629fb4e9be17b34c543719c90f62075c01c19e28e53
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SHA512
ec4fee97e805b67af2873a18881efb0ae52cfc29853a895250a9add0395ee8c347f989c12311e796a69c59e509eb2174fa56cd371e4011c079cc96189e5c4d95
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SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKU5094:DW60sllyWOtEvwDpjwF85J
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 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\2024-04-26_af33d0712e5e05afa52e208f80bc08b9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-26_af33d0712e5e05afa52e208f80bc08b9_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
70KB
MD5dcfad07a1f514505a54fb1fb427689f0
SHA161c5aeafb14f490aa8fdaffa07412acd9f504632
SHA256d6e2221b3b9a43cf542399fc8543e3a1a83435f2293857c9fd2347a7d88ad8d4
SHA5125f0199a839e37f177e023e7262ceec2523717dfd486a6ec0312c94c477c4068cce57229ab3a7ac263785ff0a2505fbc0642f2f19c56c4259e35e048179428588
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB