Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
27-02-2024 18:25
General
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Target
2024-02-27_077c2a764895ce8b3dfe27f9e609016f_cryptolocker.exe
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Size
93KB
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MD5
077c2a764895ce8b3dfe27f9e609016f
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SHA1
078c9bed381f2312cbed464101e9da44ce3ed58b
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SHA256
b9c278a0805263f5f55d4e259723fd0d3b42aa30de4a12a955093a20d22a34e9
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SHA512
d1565aedc08db85f37a1a48565512c2e8bfe82a736fefc8670e99ed11925aed68055fa489f25210085bb77578964923ac1f575927b70c9ca58f46579ab9f43fe
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/n:zCsanOtEvwDpjBn
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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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-27_077c2a764895ce8b3dfe27f9e609016f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-27_077c2a764895ce8b3dfe27f9e609016f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- 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
93KB
MD597cb80aff989386d64b8343bc90a5490
SHA1e6cd5cd3f3bd4fec38f4c25d50ce926dc0388f25
SHA25643ef3528e33a48c84fd1896f7ba2648f283c209f79356ee139c566d9ff8d5e12
SHA512cbcaa2cc360ba7c4239045a7264e125d57d6b881b5503b8687b029c58f422a5cf711b8ca7c4ad0ccc87c4b685643f072c132f3212c1441bd7d4216e4ec4093fa
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB