Behavioral task
behavioral1
Sample
2024-05-04_b99cc677d356ed06f4f1d31d9f82eaad_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_b99cc677d356ed06f4f1d31d9f82eaad_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_b99cc677d356ed06f4f1d31d9f82eaad_cryptolocker
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Size
66KB
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MD5
b99cc677d356ed06f4f1d31d9f82eaad
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SHA1
67d558387227c4410254e67a4ac617fda79f654b
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SHA256
3bc50704c07c7c915441173c2c34bfa24ca4597eefdbd5906f67cdf809d9d3c7
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SHA512
49cdff685021e7b96935f583883e569db4d3a82e05442d929cc904512627522d8a32a44fd6c03a0bd5976a2b87b69be2e2cf3005cdddae926b70c94e6bb67471
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5BO:zj+soPSMOtEvwDpj4kpmeLmQ/O
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 2024-05-04_b99cc677d356ed06f4f1d31d9f82eaad_cryptolocker
Files
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2024-05-04_b99cc677d356ed06f4f1d31d9f82eaad_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