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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
09/06/2024, 23:52
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe
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Size
50KB
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MD5
f80ecf9a0b1a62f65a57a20e65c16cae
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SHA1
cb676236a2ef58b471f9a10cf9a9eb780efd2776
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SHA256
eec575180b9d9119bc3d99f647762552d41964efe4342032dd510f30e9ba3ec4
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SHA512
f372c6774eb29d8caea22cf23d8194e8f5563d13d2167b81117c556d6fe31cbdc98fbc772c3d43e2587ff35f91de7370cb8b197d0684a6c44ae3fa4a3c08fbb1
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8GZ:ZVxkGOtEvwDpjcw
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c00000001226d-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2888 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2108 2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2108 wrote to memory of 2888 2108 2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe 28 PID 2108 wrote to memory of 2888 2108 2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe 28 PID 2108 wrote to memory of 2888 2108 2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe 28 PID 2108 wrote to memory of 2888 2108 2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2888
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
51KB
MD5fdafc40a2c9a990cd144e912c071a7c7
SHA11134c8e649887bf7e43d56765b6f42f590045f4d
SHA25644d64b2b2c1abf80df6a36dc66f2ea752b92c03a11ec3d7f7cf4a50bebd7e2f5
SHA5123b1b3a6aa3117a7a533ea387ab7e9a22b4a5cbb7412bf6823e47b48c4e352fafd2b62fd6e168033a7f88ab2f5596057e1f8a729d1e73faf63361ae4329d8e218