Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250619-en -
resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system -
submitted
02/07/2025, 19:24
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe
Resource
win10v2004-20250619-en
General
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Target
2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe
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Size
39KB
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MD5
1d2d50fa51dcee4d195ab918b0a555e5
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SHA1
822453e260e6cc4a18170482672e6aa875f9ce36
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SHA256
cce0e6ba6d48555a5d68ef95898086d6930abc64d2bde3becddb0fbf7febc644
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SHA512
44b33fc617d83b632832d2f62a8705d1a9c28e00b9d83c8094b7312b628a1ed3cdbe3f00756742f9e324534cde40d6b51f1e446da8a400539999b77d59aaa9a7
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SSDEEP
768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lBthW4J9Tkx:ZzFbxmLPWQMOtEvwDpj38ltWGkx
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4144907350-1836498122-2806216936-1000\Control Panel\International\Geo\Nation 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe -
Executes dropped EXE 1 IoCs
pid Process 5420 misid.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 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1448 wrote to memory of 5420 1448 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe 88 PID 1448 wrote to memory of 5420 1448 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe 88 PID 1448 wrote to memory of 5420 1448 2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2025-07-02_1d2d50fa51dcee4d195ab918b0a555e5_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448 -
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:5420
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
39KB
MD50e36e5cc3b521a1dd76c88ed2e3e0d4e
SHA1b9405689eb49d928d587eec6bfb4f433a9605749
SHA2565b8a5402f477af1e56eed7e370112e61b196ff3daebdec6420bd2f88cd5d2e39
SHA5122a74d5e6b683619fbb5d41e4d712804788a352f74d1df3904e775b7f8b8bc3aaaf13453300af394380258af6444150f0d92f16de71318a67f0b71ace67cfbbcb