Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
15-03-2024 04:46
General
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Target
2024-03-15_a8bd18a4a60d5dbb975712cb8849eb64_cryptolocker.exe
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Size
87KB
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MD5
a8bd18a4a60d5dbb975712cb8849eb64
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SHA1
a5764fe84bc40bba6690fa4423a9782290d2e650
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SHA256
81d15b11a723d2db200c31524eda3f7ad868c86cde66d5fb78f152348a5a59be
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SHA512
cf157f32eb520a5bbe422cdb237947cab759710c0b325c2713ac23c0fa4b742650d37869ee19adaacd21874904ff587233a79d82c1f3b731d1cded60c5d3fcaf
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtISEx:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgc
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\2024-03-15_a8bd18a4a60d5dbb975712cb8849eb64_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-15_a8bd18a4a60d5dbb975712cb8849eb64_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
87KB
MD5758d1a54ea326236918b3489c5dd7bc6
SHA19f1f6faa1cbbfca504cdd54fee7fad3a4ea2e89f
SHA256f23bd2299395604b5c0b682c92abb520c3d3889692ab8d20eabb4c59279b8e1b
SHA512352d33b30f032e4d888d77905c8e623f7ffc47b3860aab88c77d71726de7e8a9a4f1763b543cbc5333309f807c2fc00e6efc97ad7ae4c86884097fb72b3121e3
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Filesize
60KB
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Filesize
24KB
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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