Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
24/02/2024, 04:44
General
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Target
2024-02-24_5c09358e90d96310301a265324b74339_cryptolocker.exe
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Size
86KB
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MD5
5c09358e90d96310301a265324b74339
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SHA1
f2698d5666f7d5a077c7a4603f9f094f10135499
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SHA256
37bf59da0175a8bc170dcf16286a3513125db1491e83cbf3856ae0905cc91cf6
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SHA512
e103014371eb3f4126c90fdc4bc23a078ea54c97292ffbd3098d8bd272958eab594e8a7932d515aa4bd208b50f72955aa07bb7906acb8b7ed816f84bf87124c7
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIOzM78Yg:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgZ
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\2024-02-24_5c09358e90d96310301a265324b74339_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-24_5c09358e90d96310301a265324b74339_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
87KB
MD5a0df3647a2dd45ec644e02641914b87c
SHA15b0f4ec57f0048305b7844bd310a9834ea81352e
SHA2564c75a0bfe5038a9447c0161728e71bed1bb0312dc05f1eacb8cf936dddd191a1
SHA51251cbde81cb8fdce6ff783f3ea210c5f68397112eab1be75613a2bdb9398611d2405a268f1c3ee07ed5f81d8538bdbbf8963df8d349bb947451aee5ec72182991
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Filesize
73KB
MD5896e199238b0c995f8ace395d9a1869f
SHA1ab2e0682fe1199b562fc3685f86639a8e48865a8
SHA25617842a087484adb483f547333b02a8b5e0fee1754f89cd164b104b4144a3f0ed
SHA512fc79842ed5faf2c0a1f3cc2c9e223f006211c2475a28c6b93e7ee05b99b12460b58eeb1b8023ee815f8920bf7c59a052076b31044d705ba1e08fc06e04edc0d8
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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