Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
21/05/2024, 18:50
General
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Target
2024-05-21_eb494cc659bacc266b0e619a71984940_cryptolocker.exe
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Size
71KB
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MD5
eb494cc659bacc266b0e619a71984940
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SHA1
b6e05bb36df21803d6093db080054706cb7ceb05
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SHA256
4c079ccf50da96b753ba0e7e38c7e194b37732c1a807a5a6c9d87de4747ffaa5
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SHA512
3975ae81dfe1b0a0d4cd42598022e2c621a3a38b4197b16b3f5c9e79358b64974a54b7b1d3c15c754be0a752e3fac5364a2e3e13cc3cd795a7addd023d71d2c6
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SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOa:DW60sllyWOtEvwDpjwF85Z
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 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\2024-05-21_eb494cc659bacc266b0e619a71984940_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_eb494cc659bacc266b0e619a71984940_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
72KB
MD57e81a34ecb4bb2fd9656c0482f0611bd
SHA12ee1d0204eff83110b6ab26f3092251fc7c2ce9a
SHA25603d8b942f8d76a201adaa27a400341def4f89d3878b1d9dfd87444e4fff93590
SHA512d91476dfd57b85f5063f132b7a1022825f8860080725fcfd7242de48fa2cffea7e6e747cdb4000d0b3f77941d289b3f738e43a021fed6bfc00984df577331e96
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Filesize
44KB
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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