Behavioral task
behavioral1
Sample
2024-04-16_839758459fd7efb9948e6cf2d7861ad0_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-16_839758459fd7efb9948e6cf2d7861ad0_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_839758459fd7efb9948e6cf2d7861ad0_cryptolocker
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Size
51KB
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MD5
839758459fd7efb9948e6cf2d7861ad0
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SHA1
16cbc37f78057170979a66f95b2ba92f926a86fd
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SHA256
dc6ac403956ed21cc4e274cdc21ae8f857580c7b8b8926346c5cf5f1ffa4336b
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SHA512
4cbc86a5cd8e4b1e0d20d3a83ed0604842c4fc590e49194d106a2a87fdeb9a5563bc06b695950e0d8cd218c8e3059f527bdf0174bc2692d3e97b2e2befc4937f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTON:z6QFElP6n+gKmddpMOtEvwDpj31iN
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-16_839758459fd7efb9948e6cf2d7861ad0_cryptolocker
Files
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2024-04-16_839758459fd7efb9948e6cf2d7861ad0_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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