Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
14/02/2024, 08:23
General
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Target
2024-02-14_0687fc86768e9fe55e62c82a45b349d1_cryptolocker.exe
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Size
88KB
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MD5
0687fc86768e9fe55e62c82a45b349d1
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SHA1
9d9523869d471bc75bc6c8f92d17039d4ee569e2
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SHA256
cca6457b708a2e390f7aaaedf17774b5894922cebacbb12defc8d080acb12e1f
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SHA512
b1702605fc0707fbffaa951bba551cb4c7b8dadaa358cb7225028365d9a3f0b8dbcefa7e587415f2e613cbeaae906164526f5bb453c9f6ca0eda768d1dcc5d9f
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgdP1: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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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\2024-02-14_0687fc86768e9fe55e62c82a45b349d1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_0687fc86768e9fe55e62c82a45b349d1_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
88KB
MD5a4eebfa20299eff2601e9a5162042fbd
SHA1ee9e08471ff54d1efc2036428d7fe9d4b9af6535
SHA256209c117eb804d83127807709ec7807f792b109d82e6c621f94c741228dd8c1c9
SHA51229672d06915fc1b0d5ac682da19e71a0693a2aab0a47898d21cfb2488adb64e79e876856933c30eb8d834945401eb347277b33c0ec5f9dac01d21fde6eaa1e23
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Filesize
60KB
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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
24KB
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Filesize
60KB