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Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 03:49
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe
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Size
98KB
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MD5
85a6705e18b0a586e97de3504157976f
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SHA1
0c64f1933da23e6b48527ef18b1c86a440c1deee
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SHA256
a14cf55e41b66b3e02f9665b268019f0776e2c7b9846e451b8d89a385e251e93
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SHA512
f1477014c00b1c0afe36413efedf176f9fcf7436fa3ee58f5a6053f419820709a2a784b613991decf96f8133e0d2039b1fce1044b3afdc4fe813bd47072a83ba
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SSDEEP
1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCWwO:26a+2OtEvwDpjtzx
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012326-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012326-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2488 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1844 2024-03-29_85a6705e18b0a586e97de3504157976f_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 1844 wrote to memory of 2488 1844 2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe 28 PID 1844 wrote to memory of 2488 1844 2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe 28 PID 1844 wrote to memory of 2488 1844 2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe 28 PID 1844 wrote to memory of 2488 1844 2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_85a6705e18b0a586e97de3504157976f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2488
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
98KB
MD5c62599a0205f5024267b5ed1d9d013e6
SHA1aa041a47c34f742d0090408a6bee2eaa25601262
SHA2567eded5215399e4373ce60fdfe1d1d74d3e4edc945bce3d1bcce7000f4ce74ec7
SHA5125e2612e3241fe9ec35815a9e035bf82d278d10f6d8774407c5ff7d9fc33c56e24ea6f8e577e282256203454c32b22030a9bc2fd405225fb24f9a2699861bb73c