Analysis
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max time kernel
0s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
07/06/2024, 03:40
General
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Target
2024-06-07_26d395f7374ef3ed43bc4698a0ad93e4_cryptolocker.exe
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Size
80KB
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MD5
26d395f7374ef3ed43bc4698a0ad93e4
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SHA1
80cf26aa66d23168e1ccdeb270c89ee76a7320b6
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SHA256
5a1c33435c492b940b1f747a9939c645ad1fa4124700aeb49a93f36d59d7cbe9
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SHA512
fc3019724fee636dd75bbfd10832eaff5cabcbf334ea48fc0924314b800a9f15111df0bc4e0eb5dd506916041ad3a411e57eea13e7816123cb6ab7f2a3afe899
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1h:T6a+rdOOtEvwDpjNtHPW
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\2024-06-07_26d395f7374ef3ed43bc4698a0ad93e4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_26d395f7374ef3ed43bc4698a0ad93e4_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
80KB
MD548d39f3b682d445d0a89c80bae0ac69d
SHA1a8a64ae1bb3bb4845c60d6605e85ddbe852cf4ea
SHA2563f8456d580dc8b902f18c7e21cf28f88423411e003bc5dd3964c696331f05c5a
SHA512b45fdc0f3c4e0c76db269188f600c5262f2c9df440588a4aa44a489645155b92eb7c803943dcc3db39c2a8b11f65e9c81641574be24d7182c7f610528baa26b4
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB