Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
02-06-2024 03:27
General
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Target
2024-06-02_21d8fd5cda1e93ce6ae6675f292a3264_cryptolocker.exe
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Size
53KB
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MD5
21d8fd5cda1e93ce6ae6675f292a3264
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SHA1
d2573225ee4cc3bb0b02a81cbd8148882087ecdb
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SHA256
d353eafacd9d842b650cbd9791ce2398d90bcf5af788b2178000f58bc028b8a4
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SHA512
4caf6c51426ea109fe13b1d4d9d41fa9c58f0bc81f3104fdb2ef9cc427cb663535f7d0e624854a725c731263517434986781043468599e53d127ad6f472f9d13
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXi:bODOw9acifAoc+vl
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-06-02_21d8fd5cda1e93ce6ae6675f292a3264_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_21d8fd5cda1e93ce6ae6675f292a3264_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.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
53KB
MD5a9add7694d306a8feba2908bc6a0e1e4
SHA194b12340656b065c1bff446ee4eed5f2b98a5d1b
SHA2561695b04906ab5ed0f781d508f9279d9d17b5200bf039f859ee6e2f3d5c77cf7a
SHA51279eec0e07afd2d575a5081514b3fc7d8a6905bf79ad008b6a8282a8c5b4293c10725a804c9f8164e8882d3e52c6e034684fd6c349f1d1b675992c0a95133f836
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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