Behavioral task
behavioral1
Sample
2024-06-01_74b45e27a003d549f2dcd8a0b82d4ec1_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-01_74b45e27a003d549f2dcd8a0b82d4ec1_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-01_74b45e27a003d549f2dcd8a0b82d4ec1_cryptolocker
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Size
42KB
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MD5
74b45e27a003d549f2dcd8a0b82d4ec1
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SHA1
bb6a210a2ea1fe8ff4c757e9a0f8317508b4ca4c
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SHA256
a3e93a9e2849864b02f46222160ed1e822da91d7f7f5aa53a5f47d5ccf8ef3e1
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SHA512
963430619bcd1c8462d06e073510646a7815aa24ef00aa6c6a6ce41f8f093ff2daf6ab607eb1dc29f4096ff8520951231da0f71f33c1c135a2b043f5950e7810
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHTEX1:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoF
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 2024-06-01_74b45e27a003d549f2dcd8a0b82d4ec1_cryptolocker
Files
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2024-06-01_74b45e27a003d549f2dcd8a0b82d4ec1_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