Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
12/06/2024, 22:22
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe
Resource
win7-20240611-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe
Resource
win10v2004-20240508-en
5 signatures
150 seconds
General
- Target 2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe
- Size 42KB
- Sample240612-2ad21ssgla
- SHA256 b295843be049fb57c2519050ddc73f603418b28ebb8ee9d7f416427373aab582
- MD5 21379396c2897e6c26153f9f7f28bbfb
- SHA1 9b36699d9c73a153d465ae7c0427d38f1f1045b0
- SHA512 f6d191ef89b98782ad5ccef7b43ac99aaa59b00157ac5a76b24de7a03ee024ee45f4e49ca53d44300b6609d9c3ef710554bb377c2de1ff11f0312cae59cb57c4
- SSDEEP 768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7xf:ZzFbxmLPWQMOtEvwDpjLeJAsKcb7Z
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0005000000022f32-16.dat CryptoLocker_rule2 - 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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation 2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe - Executes dropped EXE 1 IoCs
pid Process 4704 misid.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4704 4896 2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe 83 PID 4896 wrote to memory of 4704 4896 2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe 83 PID 4896 wrote to memory of 4704 4896 2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-12_21379396c2897e6c26153f9f7f28bbfb_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:4704
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 42KB
- SHA256 bf5259138f897a385f4a5bd1688a4c192738f2e01373732d8370a0d25c6df9e8
- MD5 88c152eb6d9016a6f3b3e4818b1e8ab1
- SHA1 b6c16c99dc096859e01341cb34c7e66a73873541
- SHA512 f13f3131a8aaf326298b8c3529af4166463ac86203a830783817a8d8d949e8dec8cea51f5bc97e0ae3e1398b0e2ca3a61a1a62af6d64ac2ac03cb3c93356e03f
- SSDEEP 768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7xgq:ZzFbxmLPWQMOtEvwDpjLeJAsKcb7Gq
- MD5 SHA1 SHA512 SSDEEP