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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
07/06/2024, 11:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe
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Size
77KB
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MD5
58f05e8a40cd17087019d9678bfb2d58
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SHA1
95b79823935de6cd96e74d9e72be69df8306bc70
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SHA256
f965e9f301beae2341256056acd6ed4661a9e780031724c1bd37ff4a5cd41ef5
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SHA512
4d5f001e35c4b2c54683984011206860fbc2f53e42476c59e15717bce29fe9894ba3fb02c3be70aa4d17a4b3413ceb8715312a2da85643a9c9bf34b656451e16
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sie2:X6a+SOtEvwDpjBZYvQd2d
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001416a-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001416a-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 3060 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2792 2024-06-07_58f05e8a40cd17087019d9678bfb2d58_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 2792 wrote to memory of 3060 2792 2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe 28 PID 2792 wrote to memory of 3060 2792 2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe 28 PID 2792 wrote to memory of 3060 2792 2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe 28 PID 2792 wrote to memory of 3060 2792 2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
77KB
MD5265e00feb50cb1142190a8c3ca0cda42
SHA11bc06b5e94b73099c3043086bfb001d4ad57b6b9
SHA25620b88ca8de7a013951c5649da9f3393e9b65f4f74c05f4664da5ad777669e48e
SHA51263b6faffc80e049e1f3e93bca53a5c0411f7304bd011a3593c0ed340374d20707d2637449c6e3bebab9f3d48936ffff34adc60bb85cdd53fbde00d3c4236f2c5