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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25/05/2024, 20:09
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
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Size
52KB
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MD5
311a843c152f46615ddc8aeff4836ce9
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SHA1
08eef5f13e66db5035f45c59512162f6d3046193
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SHA256
989da34b64eea87c2295d8b3b87ad6300bfc7daf9c646721ee8240517eb801a6
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SHA512
7621b0321bded4a909c974a9c602fa7e781ae87a61543d221ed56b29cbcde51b27f6128d0f33f07d68a8b50303941cb3d5e5375b6ce2fdcd3ae3d7e9a2c86f2b
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gj3:bgGYcA/53GAA6y37Q6dI+d5QGT
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000015ccd-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2480 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2316 2024-05-25_311a843c152f46615ddc8aeff4836ce9_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 2316 wrote to memory of 2480 2316 2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe 28 PID 2316 wrote to memory of 2480 2316 2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe 28 PID 2316 wrote to memory of 2480 2316 2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe 28 PID 2316 wrote to memory of 2480 2316 2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD5b9311143b6b71f062e218aa787e903be
SHA178c2ca50013318601d1436858a50fdd4acc34cc9
SHA2561a5ad04bacc0111658f9302879d9882f6f09772ad898bc25c5de7fdcd41ce977
SHA512b62e3aec4eeb8adef5e0e874c917c1fd2a1c9de094f268b84a08084fc546772ce7bc83d170b73e4bd7b71e71c4a595314cabdad7ad452d6e629ecf14070d146b