Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240220-en -
resource tags
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submitted
21-02-2024 04:26
General
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Target
2024-02-21_97139db66cc27d5acc2dc565ffb76e8c_cryptolocker.exe
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Size
42KB
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MD5
97139db66cc27d5acc2dc565ffb76e8c
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SHA1
aab3e63eefb1dab508a3ef01f9723f14c7549244
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SHA256
c7d6f069a162d5d6496d1a360206a324d130f05695539bf94ffcc7ece1df95b0
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SHA512
6fe92f8cbf9cf2900a2b74988cc87743a75301387f980f1f468b2861e5ab621302fb3e0acb694462a88ab3fbbb07b7c1b3cd2c7727fd45ba308356725c854b6a
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedm+MQz:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+5
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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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
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-21_97139db66cc27d5acc2dc565ffb76e8c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_97139db66cc27d5acc2dc565ffb76e8c_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5daa5167e06ae1310fe93c76dd1bcab4a
SHA1903951487cc544944532dbcbb0dce5eb06e3caaf
SHA25683dd78f65e66c60d226ecb2d81949f12e13a2fc9b38648471523fe2b398bf28e
SHA512ab1fe8ea46fd274d31b3b9f42ba527dae6e3682c08cb23afa21fcb2ca8807a1926f4144cb8d9c91a8184e6327562a40247530fd47f0276325aae791ce0c05207
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB