Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
28/01/2024, 08:46
General
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Target
2024-01-28_f75c358b0b950cbb4c419ecc395fab5f_cryptolocker.exe
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Size
125KB
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MD5
f75c358b0b950cbb4c419ecc395fab5f
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SHA1
49d3f62ac289ddbd354393a766bd853126ecb8e0
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SHA256
2366af1b3f16e7cf0187f928562210f0b082a8c56ff507cb64df84860383ba8d
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SHA512
07d1fd5bbd9c402551deea74fa6418bdf49c26599f9eddc88e34e1734cf117b412431e5be94f4e68def352b7b04cb67c554af4d280863176f5207b8aa351a2ce
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1ed:AnBdOOtEvwDpj6z3
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-28_f75c358b0b950cbb4c419ecc395fab5f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_f75c358b0b950cbb4c419ecc395fab5f_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
125KB
MD5184dc744b4f6b369e4f25bfe911d80d2
SHA1d2142435e5a8fcd67e430e80be15ad5408fb6de5
SHA256e72e1c1ab14bd9d604b5ee7b6b9349a08e84a5aa699339afee20390926cc4b86
SHA512d4aa1c59dbcb26e3aa0285aca92c7a9bb0bb0e9d0ffcad296a4c5684704de5f4f83d3e2d972e401f2e9c6318e2241c1d288153d9f7efd480dbbb08c1c272f91b
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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