Analysis
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max time kernel
159s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
13/03/2024, 21:44
General
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Target
2024-03-13_dd8e9ffa239a7b53acc635a63148c5c9_cryptolocker.exe
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Size
104KB
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MD5
dd8e9ffa239a7b53acc635a63148c5c9
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SHA1
ef5dc989476c75845f226e7388b677a596e2999f
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SHA256
2f7ee32dc3a7cf1a86702dd8258cbba2496118b948587b2b8efe64d576da062b
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SHA512
69dd653375fc5947da3ea0b4c18c4676292d477ff1fb40fdd5861828326dd09b5b96c0af841d92037a22b00556b7bc0ca7b6d2be3b79d53ed7a78d157d08e7f8
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gks0z:1nK6a+qdOOtEvwDpjI
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 1 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\2024-03-13_dd8e9ffa239a7b53acc635a63148c5c9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-13_dd8e9ffa239a7b53acc635a63148c5c9_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
104KB
MD580a9118e67f9ce190eb8cfc1c0ff3302
SHA16630c23c3ee34fe3e1d5fe065ec1b1b69ec462fc
SHA25660bea213be963431e04e49a5f6a1785e7d298ad1302275e56815faf8b8b9840e
SHA5123a491933f35536807b57898e3f54bb0c795e843fd77f9a02c031ddeeb291920e59fa9fc1193b955c61ebef60d744ad29eb8fcdb9d6f85eb54faa5fb2378823fa
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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
24KB
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Filesize
60KB