Behavioral task
behavioral1
Sample
2024-06-16_b441dc859106cf799bed696be68a4cd9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-16_b441dc859106cf799bed696be68a4cd9_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-16_b441dc859106cf799bed696be68a4cd9_cryptolocker
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Size
42KB
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MD5
b441dc859106cf799bed696be68a4cd9
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SHA1
2b9f0f36336b29321768d69186daa6f72ace723c
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SHA256
bad6d7c9eea5267f278cb609c36ffa80b720dceeae85969dc48ce0376f968ecb
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SHA512
309bb1a716e87506742ea1b87b9ba478160242a703386c4b1b318f7bde4b5f9307404b6a02efb82f658897ae80d646ba019f1b36a94b8deebae4aacc00ed2229
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoWkH:ba6YcA/Xk3wXFXSqAJwH
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 2024-06-16_b441dc859106cf799bed696be68a4cd9_cryptolocker
Files
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2024-06-16_b441dc859106cf799bed696be68a4cd9_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