Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23/02/2024, 17:40
General
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Target
2024-02-23_a3ec31a559b1ed067eb0a0165bc899f4_cryptolocker.exe
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Size
98KB
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MD5
a3ec31a559b1ed067eb0a0165bc899f4
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SHA1
9b024de12434c7e5ccef97dbf084cd8554ec5b2e
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SHA256
bd69efc732e0fc2d935c9a251f2a66791ada196ceb856a95370075e2222056c1
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SHA512
3ed5a92d149542d8395baab4bcb46eb68dcf056ef075fc45e5fdb0fe363fba07a9c99716096aadf445edb7d2e964157f11770429ad1389255b059080f881735c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPGF2K:AnBdOOtEvwDpj6zPK
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\2024-02-23_a3ec31a559b1ed067eb0a0165bc899f4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_a3ec31a559b1ed067eb0a0165bc899f4_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
98KB
MD5674d6460a809f158a32f0bccd553364f
SHA14995d61fc716e3b949c3d9c0761d76c9c0dedd9f
SHA25640d813728a06267f28b76b953ec647597448da81a212ce8a2f6b429362392635
SHA51276f088fd22c9d51ec1d59fd8dee42d0d097223b2cc87e94f34d5263ce679ffbc46fcbe24124903c8f10e4fb0733025c3bf0f9587512924d0fcc4bdd1d6e30782
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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
60KB