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Analysis
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max time kernel
132s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 04:24
Behavioral task
behavioral1
Sample
2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe
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Size
53KB
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MD5
12454330717e2aa1a2815cba88c59c65
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SHA1
f3c697ebd3a081f8db70c0fa5f15f155de41e512
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SHA256
d78125652605de0851a927985594c22c5f9c49a334ba20a3e9ba414c4df6269c
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SHA512
2622f385928f36c4f5c571ad819d94249347ecccc73939258dcdd78236019dbe35f9ce6e6e5f7d880fd97d32825e6eca1522f74a96ba8d960ac1ac6eef0c1d2a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOmo:z6QFElP6n+gKmddpMOtEvwDpj31imo
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2348 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2092 2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe -
resource yara_rule behavioral1/memory/2092-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2092-14-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0007000000012117-15.dat upx behavioral1/memory/2348-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2348-26-0x0000000000500000-0x0000000000510000-memory.dmp upx -
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 2024-10-09_12454330717e2aa1a2815cba88c59c65_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 2092 wrote to memory of 2348 2092 2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe 30 PID 2092 wrote to memory of 2348 2092 2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe 30 PID 2092 wrote to memory of 2348 2092 2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe 30 PID 2092 wrote to memory of 2348 2092 2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092 -
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:2348
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
54KB
MD580e63462f4eea1a2b7b919b8e31083f9
SHA1f9a0dcccce038cbc33ed1c4b5e8f19f6397d5af1
SHA256b0cdc9a1c9a7aeed8c7ac45c3f79f2a6afa8b1ecd5678b710ae78a2601237a55
SHA5124c96637e72f984c7288924d7fe60a4e7ed13b32ce85622eca56930eed1a6b15d8e9fcd7a31d70bce5b2a31e7bbf08fb4c0bcb029cd6c11c5b801d4bdf9fa6da2