Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
31/05/2024, 19:31
General
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Target
2024-05-31_5bf30fbd5ec88e41cbdc516b83dee17f_cryptolocker.exe
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Size
52KB
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MD5
5bf30fbd5ec88e41cbdc516b83dee17f
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SHA1
6d3ce405fe352fcc8c23e287d8fcc4d749bea272
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SHA256
263fc7c65374290d53110450f44a25b98dde4fef69f8699a4d716f20fc486b55
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SHA512
2c59c5c6efc31546535b8762f80660605299a546d3b0dce6121d579e2d435df60c2ae322ffa2275918e94081adb57af48ce1d8976d39bc3ec106314373070024
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXiJ:bODOw9acifAoc+vXiJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 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\2024-05-31_5bf30fbd5ec88e41cbdc516b83dee17f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_5bf30fbd5ec88e41cbdc516b83dee17f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.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
52KB
MD52373ebec2a85039d274a6bf435c26f47
SHA10c4e0e9a9e61b32199080630c1d981c843866196
SHA256f197b39a292c364a0f5443904d47d251f5edfdb2b8006c2bdbed395608505a8d
SHA512e09e199e1938674a8c4517f997c4f2729f5e16853e792257f425976f8b202c826b9b46f9cf7bcb842d933da3aef14c0172c25a72b26e7c88b55cffd508025c8f
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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
24KB
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Filesize
60KB
-
Filesize
24KB
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Filesize
60KB