Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe
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Size
63KB
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MD5
b519aad11c6a8c488b3d6b4358944cee
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SHA1
95ad97e7e229b291eeacc064c7b5a7549783a7b5
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SHA256
74bdfdfbcb3e2d9979006de83bafd6900142de38837f966d0318aa780de0e17e
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SHA512
868ca5eb23c0e18f29d95ffbad1f9767c6383a1f28b90a7837beb4874ee958d7a09c3a4521f083f9bb3b8c57eaa8d5bced986814159288be4a8f3115f5334a58
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMNuSY:TCjsIOtEvwDpj5HE/OUHnSMZn
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 680 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exepid process 2528 2024-11-21_b519aad11c6a8c488b3d6b4358944cee_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.
Processes:
2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exemisid.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exedescription pid process target process PID 2528 wrote to memory of 680 2528 2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe misid.exe PID 2528 wrote to memory of 680 2528 2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe misid.exe PID 2528 wrote to memory of 680 2528 2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe misid.exe PID 2528 wrote to memory of 680 2528 2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_b519aad11c6a8c488b3d6b4358944cee_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528 -
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:680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD53ec3d62df2b97828c4445adefb7840d0
SHA1f04d3191763d07adda3f46ed88eacce8066aeea2
SHA25662a28dc6f6ae574f5823d5a0cfda78dc68e75fbc8748de6d3303cac67cb5214f
SHA5127dc2fca888e7c1f83ecdf670b02221b5f43977be21cfd973cd8e96273b5a60ea1c67c76f53ccfcaaf5c1307c60250056e3340874869a6863f55d40259268a67d