Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
24-05-2024 05:31
General
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Target
2024-05-24_7bf5a7c553f523c8970155fab35c1f70_cryptolocker.exe
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Size
41KB
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MD5
7bf5a7c553f523c8970155fab35c1f70
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SHA1
c0b0ad347df38525c473d3addcd88f9946133f6b
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SHA256
d6f93379b6336f8fdfb756ecaeec7a8457aa76371d0f02adbe39967c57e27828
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SHA512
b0153d106ea0a5f64d28656d48503fc76a59f3508cad7a1efa662f48a98a7d78f79b888b0c8a97bdb76802b7f9cd2d0b7532357ab6e269c4cc0f582949445d41
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHM:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKs
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\2024-05-24_7bf5a7c553f523c8970155fab35c1f70_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-24_7bf5a7c553f523c8970155fab35c1f70_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.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
41KB
MD5314012f237ffbc62c28cc39e223fece3
SHA1dbf0c6b73fcaf4bb522275496d26f5f4ba3fc997
SHA25645097939757225e99d0b56845f45add6058057244d7d2524f8e48d9043d4cc4e
SHA5128103f28850020cc97d3775e5ab27de59deb8d128039362225b9f3ee3e38c0376af1d24a224e5f4d969f39f15ee158914fb1fdfa5ed2fe5d0551601e24711398e
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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