Behavioral task
behavioral1
Sample
2024-05-01_1b3a66c8b37e0c58cd85cb1d42208f5a_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-01_1b3a66c8b37e0c58cd85cb1d42208f5a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-01_1b3a66c8b37e0c58cd85cb1d42208f5a_cryptolocker
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Size
40KB
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MD5
1b3a66c8b37e0c58cd85cb1d42208f5a
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SHA1
bfe0c746ec03ba09df27aab8158efc9477d0644f
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SHA256
5719553f8d33d38157a04538ca25349abf575bedd3a0cf5b47a70770de3a5c97
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SHA512
2f5c3b0a50b6c59a3d677fd982e62a0edecfc8f618bad6f8c1bfe1e41fcb909f7f29f1c33eeebe3812b012efc5ca18b6f15877a145ed91e85ee999cd372cb0c3
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHBQ:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKS
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-01_1b3a66c8b37e0c58cd85cb1d42208f5a_cryptolocker
Files
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2024-05-01_1b3a66c8b37e0c58cd85cb1d42208f5a_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE