Behavioral task
behavioral1
Sample
2024-05-05_36fbe0e9fd5e4441e898d43eb8df5b16_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-05_36fbe0e9fd5e4441e898d43eb8df5b16_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-05_36fbe0e9fd5e4441e898d43eb8df5b16_cryptolocker
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Size
40KB
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MD5
36fbe0e9fd5e4441e898d43eb8df5b16
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SHA1
ff5317f152e05c4df4a4109ee71409b6b9195abf
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SHA256
1011424c2785ce779ace9559f401e03ff1e280d8c4e6ec1de8795a17d67aa47a
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SHA512
75a2d9f6790b89d61f55713c613df67eb1cece47909b836e5895e86bfa25acf7250fea18a386ccb54d7263e85890a9620ae010c4feb930f8d16adcaaa5b6d27d
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHB0:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKe
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 2024-05-05_36fbe0e9fd5e4441e898d43eb8df5b16_cryptolocker
Files
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2024-05-05_36fbe0e9fd5e4441e898d43eb8df5b16_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