Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-09-2024 04:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe
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Size
42KB
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MD5
77e06c04616b70394343fb99d39b9420
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SHA1
12e61319f6f26b934bea14f5c3da9b9df057cac8
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SHA256
2045dcac258f88cf9b2119a293d11bdd592a14c4c8efa081df1e44df5fe08907
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SHA512
e8e7fb7f901dbf387ecdbfcfb7acbb28252c6ffea63b07714f7a8d388a99476bb0d8467a8895eee6cdf0007f867d4842613e615984b629729e2fe4b6713f4e82
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SSDEEP
768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCoq:bA6YcA/X6G0W143Qnq
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2780 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2080 2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe -
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 2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2780 2080 2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe 30 PID 2080 wrote to memory of 2780 2080 2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe 30 PID 2080 wrote to memory of 2780 2080 2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe 30 PID 2080 wrote to memory of 2780 2080 2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-12_77e06c04616b70394343fb99d39b9420_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5d87ee6dc03f288668fdacd04d454c5ab
SHA1aa9ed988af54672896672506d99b1dc1b9684c35
SHA2562e4582963d59e37b7c5de853052529e15b2ed1d787de079894eed2dc08dd0096
SHA5125737ed70a4b19e6a2120718b72ab4674eac128a2e60c6350c4b28e956537f5d7b08c74f57abb2f38a819c3b881782fba9d170f994bc260bcad8efe41c1330248