Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 04:27
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe
Resource
win7-20240508-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe
Resource
win10v2004-20240611-en
6 signatures
150 seconds
General
- Target 2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe
- Size 47KB
- Sample240613-e3gbhsxglk
- SHA256 2d1f1bcbffd82ad89d775d206a07f3bb0252a69d1e99d0dcd302cffbac8b8736
- MD5 60e27c45cb09562a54114cd735ea6457
- SHA1 a30f6c9f80b9cba58e48ad56ecaa1232c2154e18
- SHA512 adb148d9990d1ebd04b0d83426264cbf600b7ba5706e774e922d8b47466326c35bc8fe8ea29a8ce042618c698dd7a2e9d624c691b7d1f7d2a27cae85f41626ee
- SSDEEP 768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsiP:V6QFElP6n+gMQMOtEvwDpjyaYaFAh39P
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023425-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023425-12.dat CryptoLocker_set1 - 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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation 2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe - Executes dropped EXE 1 IoCs
pid Process 636 asih.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 4488 wrote to memory of 636 4488 2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe 82 PID 4488 wrote to memory of 636 4488 2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe 82 PID 4488 wrote to memory of 636 4488 2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_60e27c45cb09562a54114cd735ea6457_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:636
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 47KB
- SHA256 de73cae9cfececb88041d5475305baa6fe5343c7e31284c1ac6fa9df447367c1
- MD5 e9a0bff3095945f010689311afc0670e
- SHA1 e7fbf86d61a9e795f0221a9f0aa2ad586b696fc8
- SHA512 9b19be11da5cb0dab6fe2856b6166003804c94d32be985af7892095db7466f5bdb667e28430f418edd56b52fef825de2f7f4d0702c66a993a3bc156e6d1e6edb
- SSDEEP 768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsix:V6QFElP6n+gMQMOtEvwDpjyaYaFAh39x
- MD5 SHA1 SHA512 SSDEEP