Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
04/02/2024, 00:27
General
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Target
2024-02-04_48d54ec3d59b631916956ff5b904df34_cryptolocker.exe
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Size
124KB
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MD5
48d54ec3d59b631916956ff5b904df34
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SHA1
34fad3dd283e072b58ff9003c0ad816cbd52fc11
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SHA256
e29e4615b75fabcced91584465cfc454242de9049cae142da311f5065d80dbcb
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SHA512
8322affacd14d306297ff8fa989886212e743812b8b6506eadfd9f919c80eef53b0e9c521d6bbbaab8d78d062de8151e8c07f3f88884220e9bf7a5a14546e959
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eImo:AnBdOOtEvwDpj6zY
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-04_48d54ec3d59b631916956ff5b904df34_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_48d54ec3d59b631916956ff5b904df34_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
124KB
MD5520323a785a9848b0ae5f06181d8d58a
SHA1cbfb2011e93ddcd2037ebc523651e19dc48209c8
SHA256cdcf2bc5ae00e237288220296af35d9f94be17bd34e0054081230c3b2108a5b4
SHA512a44e129e959eb5fb9e06d529a2b595daf3464f57d2cef0c4ee2160799ec6a555238b9d02725181e752ffc96fa289ab2d21c9302e884b520120e0355c1311618d
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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
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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
60KB