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
19/09/2024, 03:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe
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Size
92KB
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MD5
cf800e2483f2e034e1acd60b83a7263c
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SHA1
3a21e05666dc2d5f18b1669f88e3f7441f1b9705
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SHA256
b71ddc5b9869c264e02be389914f07921a2dabd739637d4e62760db057f59ae1
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SHA512
6b4c40ecb2e5bd0cecc21ffb8c2091aa9630d1d0090008949ddc50d2bb0bb29363eb5d56b68f4b3ce74cc7bf26af2f90cd75c2c1cc9809c72b610057ae8e0300
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SSDEEP
1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCQ:26a+2OtEvwDpjtzz
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2208 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2552 2024-09-19_cf800e2483f2e034e1acd60b83a7263c_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 2024-09-19_cf800e2483f2e034e1acd60b83a7263c_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 2552 wrote to memory of 2208 2552 2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe 30 PID 2552 wrote to memory of 2208 2552 2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe 30 PID 2552 wrote to memory of 2208 2552 2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe 30 PID 2552 wrote to memory of 2208 2552 2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_cf800e2483f2e034e1acd60b83a7263c_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552 -
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:2208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
92KB
MD5c6422ba310ffa54e448192e6231618a2
SHA1cc427c4b3f965ba29f46a55d913a2e829bd6c015
SHA256d9013ee197acf86831556a0620a57d854f4a94c609f147aa7c3685358e9495e1
SHA5128a53263b2689aff1c51c89c56512c824252127139ef3048de78ff4c0a9f4976dbc4aa315eb7a99e4251370f2c40ab1e0c478936ee29c70c8ce34c4bc74ef16b8