Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05/03/2024, 19:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe
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Size
120KB
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MD5
94f39a8244ba7bd972810d56fd4df188
-
SHA1
3f92a8f87525501636060d709a14f694208863bf
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SHA256
41c15ecb31738d3611258cd2ac804d9d8f92ab906845f4b409d40771fed6b735
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SHA512
8ceb03552c4337e4ca14d7efc17642ed419e5389a867510a5c2baf0a9783559125210b4c2e1da466671ed77f26782e71e5a8e1c5530b239525c5482f2bb45374
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SSDEEP
1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgo:u6a++OtEvwDpj6zs
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000e000000012248-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000e000000012248-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2072 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2284 2024-03-05_94f39a8244ba7bd972810d56fd4df188_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 2284 wrote to memory of 2072 2284 2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe 28 PID 2284 wrote to memory of 2072 2284 2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe 28 PID 2284 wrote to memory of 2072 2284 2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe 28 PID 2284 wrote to memory of 2072 2284 2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-05_94f39a8244ba7bd972810d56fd4df188_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2072
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
121KB
MD5d83a1c9b2d361e0766e5cc81bfc7840c
SHA171869fc686e346cdee99bee983249f30c8a9250b
SHA2562cbddb8fed82f47900812e01aeb3d5d2ee19965494056547a74faec4e09483f3
SHA5125b389c691602ccca57d5b09f75ca354236122341c8a296de78ac2f943fbc69d7e8ea6bd3dc906f7926079aabbd8ff623a55af686bdd012fb60b3bb7b3558ae59