Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
27/05/2024, 22:46
General
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Target
2024-05-27_1b04747509b21e95a24e7ed3d7599953_cryptolocker.exe
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Size
69KB
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MD5
1b04747509b21e95a24e7ed3d7599953
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SHA1
7ef652c3ac6f010d505e7ab3f28e9868204c45dd
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SHA256
0061721574c8d05fda93457898d3384c690bf245c14b6d4e03fb1513729b1cca
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SHA512
f02eab55eb37c7ea01eb3917639ffe7ee163bae538b24d5ca792584ea719ae55c5d3b4b5be46a4301a2f96989da6e1e857d9b299786972a06d4c873c2c758ea3
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SSDEEP
768:quVbxjgQNQXtckstOOtEvwDpjAaDOK6PsED3VK2+ZtyOjgO4r9vFAg2rq6W1A1PD:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAD
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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\2024-05-27_1b04747509b21e95a24e7ed3d7599953_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_1b04747509b21e95a24e7ed3d7599953_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
69KB
MD591cbf73f5a4f3a4672cb9137d19f6c47
SHA1358148b0162de299ed4a8e8586299739cd4fcc86
SHA25601acc68f9e2060b0af090a5551d71e628ce900024e70467d7a5aad2a887dcbe1
SHA512af98b1ecc8874925661362c9f702e76e5a71ae9cc817e8af8ae996cd6c909dc4686ffee335fbee14a32eb1f4592245e9e82628f31fc2b8dc72de8c13da5570fc
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Filesize
60KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB