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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, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe
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Size
66KB
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MD5
5016a195c5a64cbc298044f6fe91c733
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SHA1
3db41356572d4c1e7465e21fdeb5f58c5f2c5f69
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SHA256
91740ee8429629c7b81d30bfa1744a299a445c232fd0ccc312474ba1dc3a9dee
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SHA512
8898ef170a8e4fb641bfccfb9fd69420e21557559eb6c13d3be239ad0a1f7d6ef6a6ffffbb0ca5cf49596943fa5c2562fc50b5ddac2eda69cb8ef083f453a097
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVZhr:ZVxkGOtEvwDpjcawZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral1/files/0x000b000000012254-11.dat CryptoLocker_rule2 behavioral1/memory/2792-24-0x0000000000230000-0x0000000000236000-memory.dmp CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2792 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1976 2024-03-05_5016a195c5a64cbc298044f6fe91c733_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 1976 wrote to memory of 2792 1976 2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe 28 PID 1976 wrote to memory of 2792 1976 2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe 28 PID 1976 wrote to memory of 2792 1976 2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe 28 PID 1976 wrote to memory of 2792 1976 2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD57e6d6c2de399e5ab0ce4c72af1a0521b
SHA12198ab88bb4b6fbc8965ada78bcecede5040b528
SHA2568486e01c20a387df2b8e1b609d7dd38f058d66565d6ebd09d324e3063dc9c566
SHA51295e5fece9c3c6abfc4302ddc7d05eada07202d9329f81093462f6e5a43c3823ef576ed79c94aca6dfddf22f78afa93e0195dc52c740614b40d812e9e3801c83a