Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01-10-2024 19:01
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe
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Size
46KB
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MD5
803652be5cdc3cd6788a7f157f25d939
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SHA1
403fae3cae0033f7c55e1a348649fb603408f3a2
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SHA256
533f12bb3fe9b2d641438bd3d4690bb4fb7fb67d7c719b3b412d560f6de8f725
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SHA512
86ef10e74c6497a0bad83c2fc79d577ddd11753b62b1b2c53cc4cb51d344d05cb37fb63f059c974a85ebec5d09bdbb3fe60c7c5493f4589b9d1af0a32fed7ce0
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldedHG:xj+VGMOtEvwDpjk/elG
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1100 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2716 2024-10-01_803652be5cdc3cd6788a7f157f25d939_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 2024-10-01_803652be5cdc3cd6788a7f157f25d939_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 2716 wrote to memory of 1100 2716 2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe 30 PID 2716 wrote to memory of 1100 2716 2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe 30 PID 2716 wrote to memory of 1100 2716 2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe 30 PID 2716 wrote to memory of 1100 2716 2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-01_803652be5cdc3cd6788a7f157f25d939_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716 -
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:1100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD5ea17d57427070c5e88d0f6a58ba8f73e
SHA1d975304f56173384620e3c794b400b55d86f93bc
SHA256e13f9e7f88821a016f86855259175342b413d21c3c3a3f3109eb08eeec8ae271
SHA5120ce178dbbc43289ca1eb9857b62d675376ec570450ca8f8a0f5b2cc3c46380d2af863f6e7e8ffb7bdb1dc3124a24ded5b9a5910c0df7bf97f5654d585a057a3c