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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
28/05/2024, 16:34
General
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Target
2024-05-28_9915e6984c26c9841dd74e863a2f82d3_cryptolocker.exe
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Size
75KB
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MD5
9915e6984c26c9841dd74e863a2f82d3
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SHA1
d606e1f3684eb1879002d2852eabb4810e44315a
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SHA256
e28e651d01144e48150d1c554953f736651e95bd404e81bfeef6d771cc28bf61
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SHA512
d0deb863fd0f901f895ca304d6bc32ca617f3af8ea81507f5548e0b899e643bac6fc2ca501e75e8dc71882fecd3737ee9fe174a2c155a7150ec62b96e5295f7b
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GD:1nK6a+qdOOtEvwDpjS
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\2024-05-28_9915e6984c26c9841dd74e863a2f82d3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-28_9915e6984c26c9841dd74e863a2f82d3_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
75KB
MD578e12670f9c6ef7b3032060dfc31bb3f
SHA1d1ec30e859c0690659002b6836145b406894fd65
SHA2562618bd8e1e422f34c2dfc8d6a1a57a1415e081cff418316c8f3ac6671e1563d4
SHA512c3cdb936fefb2bf74966b1c6b72c70dbe32ef1f1e1707cf936ae77c00d95afd8f2e05237f32ba8d539b34f2923b78d4a6b3876a71f5d8f82195ff7b48360b033
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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
60KB