Behavioral task
behavioral1
Sample
2024-05-27_99fd055dbb7ef8c31b2b70a0f73c9294_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-27_99fd055dbb7ef8c31b2b70a0f73c9294_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-27_99fd055dbb7ef8c31b2b70a0f73c9294_cryptolocker
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Size
60KB
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MD5
99fd055dbb7ef8c31b2b70a0f73c9294
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SHA1
ee8d2fc1d9e63fc141cc72adf6f634dcab59ad66
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SHA256
81840d027da8551fd3f4c6c8c59cd7681619246b3ad9b04862c2c5527f83ea6b
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SHA512
9e7a2576bd4ec636874db916a407c84585052afb67f6d8518d8bea8e64f9aaa7ea75fe39f4d35ea69ddeca4ba77ace1b9a4e9ff9edcbadfc8f04030dc7511bb0
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ8vS:z6a+CdOOtEvwDpjQo
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 2024-05-27_99fd055dbb7ef8c31b2b70a0f73c9294_cryptolocker
Files
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2024-05-27_99fd055dbb7ef8c31b2b70a0f73c9294_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