Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:12
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
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Size
50KB
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MD5
a1744115b9f52280899cc0d5aa6b9904
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SHA1
8aa40a9c996873f970dddff7358ccd6bcdc6a0a5
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SHA256
fdefe3f5f8ceb7f3013f7b3317550efc7be22140b491b3c4dc8f57155d9d50f7
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SHA512
2ab6cb37ccf12797d15f316dd045d32148437b75cdf8b43e2e41b26afc7d836777d40440a01e59531303fb5015b1dc4ad4747e1d3cace7c1c2aa9452c51f5c0f
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nv:vj+jsMQMOtEvwDpj5HczerLO04Bc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2544 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1840 2024-09-05_a1744115b9f52280899cc0d5aa6b9904_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 2024-09-05_a1744115b9f52280899cc0d5aa6b9904_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 1840 wrote to memory of 2544 1840 2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe 29 PID 1840 wrote to memory of 2544 1840 2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe 29 PID 1840 wrote to memory of 2544 1840 2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe 29 PID 1840 wrote to memory of 2544 1840 2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840 -
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:2544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD502ccf23763c8e5a329d74234ff851e19
SHA1348c192c3b9ecb9f8a33240399e0b97ff4e7eead
SHA256643d3a2e6073d6c091e2aac4f620606c0bb21ac786cd4e065657d58fc597d5aa
SHA512d57e16b2f8329b75681a1debd88b297743ec935913d29ea0831902b55780a26098be17164b32dd893367d96d67a325e39da9854e63960b615a2f28c03493ed7f