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
06/06/2024, 21:39
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe
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Size
75KB
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MD5
e9038d4226c1d7685477d0acb55d03fb
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SHA1
8fc1f6c8f2107e7590ca53a81f8431000ed27beb
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SHA256
d56e9510272d109b4e4c0025d7e7536a8ad71c3c4a6d2db358bcf68a4aaa2999
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SHA512
d9b7664f0dcaef8841eae5399dd19c2e8871e7746e6a0622008445fdaad91ca2603a2b3a56a77a0df90fe5c125fe2e08dddb776dde2d41afa6c90798c437f76e
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SSDEEP
768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs6gt4:u6QFElP6n+gWMOtEvwDpjJGYQbb4
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c000000013ab9-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000c000000013ab9-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2512 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2804 2024-06-06_e9038d4226c1d7685477d0acb55d03fb_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 2804 wrote to memory of 2512 2804 2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe 28 PID 2804 wrote to memory of 2512 2804 2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe 28 PID 2804 wrote to memory of 2512 2804 2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe 28 PID 2804 wrote to memory of 2512 2804 2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD5388de437cdab1ebf21f3d391bc3ab599
SHA1c6fe1324bbb72d50f7c927b80478469cd9af8a78
SHA256329d290cf4b75a61bcb43148c88a816862c53c4aaa8d9df404632644518cd473
SHA51276776e0855dd58e0a87cdac5b462c7804938651916c901fab1c0c60d15489fb5087964abe488fba3a7228dfbc7c9a6146b44b16e0a1a5649e3718f91bc6c7126