Behavioral task
behavioral1
Sample
2024-05-01_a2d4967f8eeaf5ddbe087b85453a3dc3_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-01_a2d4967f8eeaf5ddbe087b85453a3dc3_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_a2d4967f8eeaf5ddbe087b85453a3dc3_cryptolocker
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Size
89KB
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MD5
a2d4967f8eeaf5ddbe087b85453a3dc3
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SHA1
5540a57e4d8c65374e38dca4ad7eade381ad5a64
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SHA256
5adcfcaad824ff12108e09728f046350cf41d558f16d8842501d5841efb463cd
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SHA512
1420b1d0a7828434706efbd42c4e8b20e323fe5a704ecb495f53e4b9059e34f83f7b60cd613ad3f395922821ec84235373a22e61c6c901b1ce6329247c6f7066
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/O:n6a+1SEOtEvwDpjYYvQd2Pl
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 2024-05-01_a2d4967f8eeaf5ddbe087b85453a3dc3_cryptolocker
Files
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2024-05-01_a2d4967f8eeaf5ddbe087b85453a3dc3_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