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Analysis
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max time kernel
122s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 04:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe
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Size
63KB
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MD5
0a9f55e398b19890686f3bbfac179185
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SHA1
dc6eda0206d00e9248065ceaec07eb52a433ab4f
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SHA256
17a5c5c9b2436b591a708a417a08f779a6478a4933c1711fc9c96daa57e4c302
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SHA512
17be0d0bfebcf9b2ebdae5aa6fbdd6460a3b415b5f62745df0387a6d92f33dfdba819b4d46dcb7887ca41387451287927ec95645a9fcfd490c96a5d3b079a51b
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVV:ZVxkGOtEvwDpjcawv
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0006000000023203-13.dat CryptoLocker_rule2 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation 2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation misid.exe -
Executes dropped EXE 1 IoCs
pid Process 2564 misid.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1448 wrote to memory of 2564 1448 2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe 84 PID 1448 wrote to memory of 2564 1448 2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe 84 PID 1448 wrote to memory of 2564 1448 2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_0a9f55e398b19890686f3bbfac179185_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:2564
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD56c8ab1d43580c8f2ae90f04441526c00
SHA1279f2954b53e0d70dc1e4e9927eeaa8ef28eda97
SHA2568ab31256a0e90f81a0ffd32b21d95c0b74c599760dfd0c07ce0a75561b148c5f
SHA512c82debbd8e76bb28b7bfc4c1f642299a66c2edc840ea9b1d24cb139258987410e24216ae0bd5a7eb81b71ea9ba740af7d2f115d6b74bd86c017bfe3499574e29