Static task
static1
Behavioral task
behavioral1
Sample
2024-01-23_877bbf93bc2759d1fd1f55a7c56d6bdd_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_877bbf93bc2759d1fd1f55a7c56d6bdd_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_877bbf93bc2759d1fd1f55a7c56d6bdd_cryptolocker
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Size
46KB
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MD5
877bbf93bc2759d1fd1f55a7c56d6bdd
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SHA1
ef3d49a9ce2b8941868026cb848d2e4f58b95d7e
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SHA256
155b471d750649c35c7b90b0ebf6ec1f2280b4f0e119c2bafbaa577bffcfdb30
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SHA512
8a8e9104845cc6150f788b2efc922bd90acf114bbf4321d9d4d8b944bda710c1b0bf75d9a7e282d02a2cf082d949c412e490a132924fe59c907c8bc0db0ec8d2
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rzhwa7:xj+VGMOtEvwDpjy+T7
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-23_877bbf93bc2759d1fd1f55a7c56d6bdd_cryptolocker
Files
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2024-01-23_877bbf93bc2759d1fd1f55a7c56d6bdd_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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