Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
28/02/2024, 08:00
General
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Target
2024-02-28_abb7627ee4de509b48121e7fbf6a34f2_cryptolocker.exe
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Size
105KB
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MD5
abb7627ee4de509b48121e7fbf6a34f2
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SHA1
4e7c924062d881ebe16db88b151c204ce5269ff0
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SHA256
a20f3f08f38e1f8c7a4d68767646167a67a306a55c9d9e10e54ab43ef4a5b9a8
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SHA512
5efc2920f86b844c7585c0be6ee32c391893f8593ae15be9f616a1e2673915dc01b1f6a7b19b9cc432f35491b2cfa342c438d4b293dee86188c256aaa5f583e5
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksaLOl:1nK6a+qdOOtEvwDpjpl
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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\2024-02-28_abb7627ee4de509b48121e7fbf6a34f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-28_abb7627ee4de509b48121e7fbf6a34f2_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
105KB
MD51b348c56b45dc11d0cf91d6d3f93fb69
SHA1c593e7cef3d06be3c1aee9ca98f955221e90e02b
SHA2565bbd6fd717474a4bc17bf84e6e99dd58c6fc817c84e98e96fb37b30d4bcc1a8e
SHA5128a3c67c74d58e33be8176cd616da0565f04df23380bdddcce894962c9a1933d902da84f525e4cf5e6bc3f8bc05ba171647bbda580bceb22da2228187a2bbe128
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB