Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
14/05/2024, 16:53
General
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Target
2024-05-14_1dbf6bc3bf73ddfc5f458909433c2099_cryptolocker.exe
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Size
39KB
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MD5
1dbf6bc3bf73ddfc5f458909433c2099
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SHA1
5d2fbf563707bd95da9733ca0ea94233330d018f
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SHA256
5277c10d51212aa30d8ab5622d0f6793c0f5042b06dd33a591302f67c8ec488e
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SHA512
9f0b0a0ba015c073b17a21cdb50840ccbbb791143937746dd6fc1d02c169c0bb2f8de12289e41e98bb0283055dc836b45b9d1d645ff5024f39c2f34a6348a64f
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9z:qDdFJy3QMOtEvwDpjjWMl7T0
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\2024-05-14_1dbf6bc3bf73ddfc5f458909433c2099_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_1dbf6bc3bf73ddfc5f458909433c2099_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
39KB
MD57bbb10159c1c569578f79f876c8d26b5
SHA1fb9bc9c75ad776f5982002ab0363256fc78d80ef
SHA25603148ebf0ab7386017d1e2aefe1627fccb1ff43217cdc23b978011fb641cf218
SHA5121f59e5b56d051d289a91a98db99eb4622313d73481f2245353eb349c14d9f0a165b4d5e8a5323667cca0f45a42abea5a438aca20d2843b95e7786e8c7ffcaf74
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB