Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/10/2024, 08:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe
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Size
96KB
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MD5
b2fa53dc8eec7578931948db4228d6e3
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SHA1
ea0a2cd2cfac398a8ccd121f504c06c3341e3117
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SHA256
f56d1af264d220ae6bde4f7a2fcf0538effceafbe0cd5d19e3a61b1f9f87a6d4
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SHA512
9cafe5fb28a70b842ef94d9d4d18a19ab5dc888c822b79d932e77d8c892b2723038f41ab76435e232c044f843b7570c6d996db86e11fef2b68ccd06283a085e5
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzs:i5nkFGMOtEvwDpjNbwQEIikQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2480 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2308 2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2308 wrote to memory of 2480 2308 2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe 31 PID 2308 wrote to memory of 2480 2308 2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe 31 PID 2308 wrote to memory of 2480 2308 2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe 31 PID 2308 wrote to memory of 2480 2308 2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-06_b2fa53dc8eec7578931948db4228d6e3_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2480
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
97KB
MD5c79a3b70baaae3acdd9acf2eead7d887
SHA19aaa12da8acc3cf3043ac05d9ad4b71807e7f900
SHA2568a358847f4013d30ff6c72970be4c3d9022f70152654678e74fbae819f1d39d5
SHA5123158728e71a65e1731a36fb19a891d273d999dbaf77d499964c5a1c675c7a39672014297a323280749a5fa55cf8e335b5c259f25acd60381955069139aac5fed