Analysis
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max time kernel
113s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
11-04-2024 02:24
General
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Target
2024-04-11_0e1df4fb149b021d8fe44b2e7ff9a0b3_cryptolocker.exe
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Size
54KB
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MD5
0e1df4fb149b021d8fe44b2e7ff9a0b3
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SHA1
75ab41f9924a64d7cbb7038abc1002ffe27da4a7
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SHA256
748177f544d92a8e6a8abcab06d70d1acb9f190d112617a2d43768d7bbea4da9
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SHA512
2db3db7e9eddbd8268ad659077f667997ee2ea8f7de099a854b19ace04bbb58f0fdee356af2b889e0497966889c46592980c71929586d04fc28feab2e5fc49c1
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjU:bP9g/xtCS3Dxx0V
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
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UPX dump on OEP (original entry point) 2 IoCs
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Checks computer location settings 2 TTPs 2 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 2 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\2024-04-11_0e1df4fb149b021d8fe44b2e7ff9a0b3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-11_0e1df4fb149b021d8fe44b2e7ff9a0b3_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Checks computer location settings
- 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
54KB
MD5dd1ade2f0bd4a2872228d905d4206f16
SHA188f2e6180a2278c4f7ce4fa92b2272eab0bd2349
SHA256fbe393e0115d6da9db1387464512e36de5f5c523b30cf916a7451b06c681d12e
SHA512aefc083c47984d003f4fbf14ca7dd19e458aa677452320c3a6eceb2d98d186f355a3fa6f3c4f599b642ce57982f4af394ec2828990e9e98257c809b5fa1322a6
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB