Behavioral task
behavioral1
Sample
2024-05-31_a7568ddb1fa9c5e67450051a6b7d2d09_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_a7568ddb1fa9c5e67450051a6b7d2d09_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_a7568ddb1fa9c5e67450051a6b7d2d09_cryptolocker
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Size
90KB
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MD5
a7568ddb1fa9c5e67450051a6b7d2d09
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SHA1
e92a1008fdf0fcd9b942ac202133b2cb4f8ff0fa
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SHA256
e61a024f39af026846c2f9f7c5f8e351bff0c3de7f224ac75227a66c3a34725b
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SHA512
b7105d2b94831d7556a36fed31a6adbd1298f5991338e3a70ad7aadbf6d32e08319583a71e8eceb7a98d7bcda0a722dc5c5cdae52f6372f770ca81d218eada5b
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/W:n6a+1SEOtEvwDpjYYvQd2P9
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 2024-05-31_a7568ddb1fa9c5e67450051a6b7d2d09_cryptolocker
Files
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2024-05-31_a7568ddb1fa9c5e67450051a6b7d2d09_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: 11KB - 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