Behavioral task
behavioral1
Sample
2024-05-03_12feb022b206b96653dc81a757b004e7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_12feb022b206b96653dc81a757b004e7_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-03_12feb022b206b96653dc81a757b004e7_cryptolocker
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Size
40KB
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MD5
12feb022b206b96653dc81a757b004e7
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SHA1
b12761b7a7e807488e4fbb3a2efdd8af24054e3d
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SHA256
cb4378cb9bbf2b3035d1b2bd8ac5e9b9aff247b47da760bb3a579f7fac1b1066
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SHA512
98354bdd4309f9dc9e78d821d96e59bc48157fc34a541b4e8104d2668624d93200df2836b74f948f05fc9f5f5d095f690ec9990e3d42ab83d3bb1c42ef42df81
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHBz:ba74zYcgT/EkdCQgpwXFXSqQXfj0xK1
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 2024-05-03_12feb022b206b96653dc81a757b004e7_cryptolocker
Files
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2024-05-03_12feb022b206b96653dc81a757b004e7_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