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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
30/05/2024, 17:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe
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Size
65KB
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MD5
033af87b560081f55c648b2c05804b5f
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SHA1
83525c6b74c0f2f9103ab047d79b3e25f6b20479
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SHA256
17fb268398950e92bc82550258b94c00733918a715f6f23f1e5f671183ffdccd
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SHA512
9a6fcd537187bdc08edc012a39f4021861e3fece759da4d092c5fc08f975c8e9a80b71729e24654a7f852a31ce1b7a48c13542ff55c9178ba09bca76da0a9a56
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTIzYI:TCjsIOtEvwDpj5HE/OUHnSMH
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/2908-1-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a00000001227e-11.dat CryptoLocker_rule2 behavioral1/memory/2908-14-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2304-16-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2304-26-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/2908-1-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a00000001227e-11.dat CryptoLocker_set1 behavioral1/memory/2908-14-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2304-16-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2304-26-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2304 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2908 2024-05-30_033af87b560081f55c648b2c05804b5f_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 2908 wrote to memory of 2304 2908 2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe 28 PID 2908 wrote to memory of 2304 2908 2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe 28 PID 2908 wrote to memory of 2304 2908 2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe 28 PID 2908 wrote to memory of 2304 2908 2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2304
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD50fcd9ab05882a3aaaa32a669095e2c08
SHA15aa4495d425ed1a2d8535f3b2eba7c51789d4d74
SHA25637918fadde71fb07872c40da0da478712f5ae06e552b656fa6847516c940e30f
SHA51283272586532b80dfd0bc4dd69b3c481d9dec8182684eb2c9f9b0c5c3f4b108b7f05ac53fb45d21bb7367f8bae6be5ac5e829c0896ee5b07d8bde5f19b23e1ac3