Behavioral task
behavioral1
Sample
2024-03-08_99975ad17ec0fefb5a55e71225179985_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_99975ad17ec0fefb5a55e71225179985_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_99975ad17ec0fefb5a55e71225179985_cryptolocker
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Size
81KB
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MD5
99975ad17ec0fefb5a55e71225179985
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SHA1
7d83b139365e4efb7fb014ff93da7e19bea5522a
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SHA256
d1c59979de43976cd6f2e38f39562db0c104dc6a3cdd11aec3e924c5cf19d3ec
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SHA512
0c65e9a407ce7bd163a827c6ea3bb99cb99906a1346c2bdaba7466c3ff0752a625fc6657fc6bd8a0a634a03c86a4d37e250fedd1585b7d6020630eff33ef5c3f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1M:zCsanOtEvwDpjC
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 2024-03-08_99975ad17ec0fefb5a55e71225179985_cryptolocker
Files
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2024-03-08_99975ad17ec0fefb5a55e71225179985_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