Behavioral task
behavioral1
Sample
2024-05-20_b55bd12ff92ca45d15425776c52708dd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-20_b55bd12ff92ca45d15425776c52708dd_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-20_b55bd12ff92ca45d15425776c52708dd_cryptolocker
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Size
94KB
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MD5
b55bd12ff92ca45d15425776c52708dd
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SHA1
2f32a0e6a653e75ede0e45303100f84d945633cf
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SHA256
e53ea72e0179fc37b8277c34dcdcbaa3b87150256d9704908220d8ed3584cbcf
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SHA512
be8d3702ab381a53ac5c128fd0f6c915eacf995074d6a95b78e269113224255e88ce692cbfbc0aeedfbf44d11262f3b038127193d2c8fcece4a48d564c621d16
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/ks:zCsanOtEvwDpjB3
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 2024-05-20_b55bd12ff92ca45d15425776c52708dd_cryptolocker
Files
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2024-05-20_b55bd12ff92ca45d15425776c52708dd_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_CODE
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