Analysis
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max time kernel
139s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
23-05-2024 19:42
General
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Target
2024-05-23_f158118e8047c8dcbe0592d0804db400_cryptolocker.exe
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Size
85KB
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MD5
f158118e8047c8dcbe0592d0804db400
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SHA1
e00c29644b1ef0c013c61476cb03ff42bbe8327d
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SHA256
c934a16da796aa8043d62684f58f4201b377fd9d548c5ec7a9bd949838d7394d
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SHA512
7c007e4bf10819cc382daa83e447803907e7c3946b86a592a485c10a1bb4bf91fac82e926d1e33d9d76038c7b122f5de68aa7b057c1ba4a014be51fc3f8bc8ce
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS19:zCsanOtEvwDpjX
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\2024-05-23_f158118e8047c8dcbe0592d0804db400_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_f158118e8047c8dcbe0592d0804db400_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⤵
- 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
85KB
MD53a812af115192d19384cf36209b9f555
SHA1fbb13268756545297779109b30bf495a28b0f056
SHA25626146d577c02e4adaea0f49af2d320bcf01ffc029569f4df7c6f7a0057bb9139
SHA512601f56864c984c18932ea38b0201820c45c556b0980af7a0efbb9d38ec3de123ea7b6337e60aa4dbaded747b03641e77cb2fb228b35b87b5edff054dae3d343a
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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