Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
18-01-2024 22:44
General
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Target
2024-01-18_4db7c367ea37f008804eb942f19896a9_cryptolocker.exe
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Size
84KB
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MD5
4db7c367ea37f008804eb942f19896a9
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SHA1
a1a046b12decf91d05de5d8a39501676dbe2f662
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SHA256
f8312c479e8e7983d293848318cfec432cc2983ef8cc777f20ab9158193f2b0f
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SHA512
2aa9a9b52fcdb22dcac496215402f5bd602b5d330b8e04d18998f2b6701d53b10f11f58911b3b5421b012513eed44175841cc736b002ad459bce64f1bfbbbb0b
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtI1:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgu
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-01-18_4db7c367ea37f008804eb942f19896a9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_4db7c367ea37f008804eb942f19896a9_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
84KB
MD51e63aa7796eaac4e1d5f7f90d6a9d006
SHA139ec44c3446da1b76c54490b34b8383299573813
SHA256f631910f6f058ed2be01b0ab61f246bbb5be8a57944919ba5ba4917f1c7c0ff9
SHA512783575b810182d80867947c4045076c3680d548af47d4885b926d642921531c64c7ee15a7f20ac9993ebba54793b834cbf47937c4c5c0b4a77512b1e045f5a05
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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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