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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
12/10/2024, 02:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe
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Size
75KB
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MD5
1352327c362becf07a88da91b5222256
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SHA1
83630bd9c4da05936b04f7d8cbde6e04a497b8e7
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SHA256
d5c2fb8d7b2fdc2f5d22eb6d192683e293d7fb1e3252b6d9f5831c98d4981514
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SHA512
1a8c76cf50bae6ed3da649f5bef6743e7e40f3482b58db47dfc5da5e57d1bbf0389c36a55efe64472c2160d8d01de08aec886076174dfc7292dd73f756b59984
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SSDEEP
768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsr7:u6QFElP6n+gWMOtEvwDpjJGYQbr7
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2908 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2768 2024-10-12_1352327c362becf07a88da91b5222256_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 2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2768 wrote to memory of 2908 2768 2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe 30 PID 2768 wrote to memory of 2908 2768 2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe 30 PID 2768 wrote to memory of 2908 2768 2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe 30 PID 2768 wrote to memory of 2908 2768 2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-12_1352327c362becf07a88da91b5222256_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD5be5923fa7df363d7a63b9fc4e828b6d4
SHA15183bb24ae6dc7bebaa0967c6d5842bb1e02d623
SHA2566acb4e8e4a05bf7e450cb73b03ed96f646da9130b346ffa5ade1cf5001dc409e
SHA5125123d799bde35cc44d9e04aaa69b250187ce35f1e6b66d13f17e9bb05e4051bc7bb4bb5f464a1116b568c8e68c72956ad391b419253149012d61e97e9f2390f9