Analysis
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max time kernel
152s -
max time network
158s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
07/03/2024, 21:34
General
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Target
2024-03-07_764f7ba2a5e8bf4da0c6be3a1016d1c4_cryptolocker.exe
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Size
126KB
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MD5
764f7ba2a5e8bf4da0c6be3a1016d1c4
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SHA1
d3f39d78afdbb3f996c376a9f4dc2bfa2e734b9e
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SHA256
143033e1e5045caeb6e3dc014850b9220a93f9a744816c49e55c83911ad80768
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SHA512
729ea0fe0c3bceb2dd8562d2bcbed6abe906d3e9d87150e8da07b43414a96456129f488ecdc279e7787933524a5c62ad9964145100bcbe57531cb3e3ff1e2045
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eIEoy:AnBdOOtEvwDpj6zl
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\2024-03-07_764f7ba2a5e8bf4da0c6be3a1016d1c4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-07_764f7ba2a5e8bf4da0c6be3a1016d1c4_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
126KB
MD573bd158a9761c1cd27bb391020924c73
SHA169c2ed246580ffd4f3c75b53433b814009df004d
SHA256dbefd03ad7a0da2c0b0d2ce87948f1ec2f80d053935adc74cae29df45249c2eb
SHA512a869658adcfe97b2311be5f2439aba6fa50b408be00bc73ebf81aacc3ab08db0043d67d222dec034092581d3e860668031ed5c822d52765767542de9457d9755
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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
24KB
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Filesize
60KB