Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
25/05/2024, 04:38
General
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Target
2024-05-25_be9f4950051291f00ba1ad4dfbe2a7d0_cryptolocker.exe
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Size
38KB
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MD5
be9f4950051291f00ba1ad4dfbe2a7d0
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SHA1
ed3a765f2f2d5289e0e5578d910180ddddcad4a9
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SHA256
f944f91548b5999f901222722335eda9f696bbf76177b35ac90bb5e6e7eb5fb3
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SHA512
b942739b9733754850129b16eafd2240717cd05a0b50f5f0c1a1cd17e59190d24bfc47dabd413e23d89d47c923067cb219f54507617fcd9c719867a20a14fbd9
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3D2:qUmnpomddpMOtEvwDpjjaYaQK
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\2024-05-25_be9f4950051291f00ba1ad4dfbe2a7d0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_be9f4950051291f00ba1ad4dfbe2a7d0_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
38KB
MD548489f9b393e8aa76c042efa52f11d80
SHA1c88392f43913bc1628f7a1722af219f8fa0f27fd
SHA25689bee435dc2f4a35fdcc69c7f74c0cf5c7bbc653d1fbf168d69a14b6feaa0caf
SHA5125c1c2ee19f395e89d0fd2ef9dfde75613824f865f51b733497442ecfa972b08f2fa52e3d2144db9f4d2f2a146959b365aae7d068c344609999b7fa4a60df3a39
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB