Behavioral task
behavioral1
Sample
2024-01-26_b9a87f9a18f7a0b8c16d9bbd296a5fd7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_b9a87f9a18f7a0b8c16d9bbd296a5fd7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_b9a87f9a18f7a0b8c16d9bbd296a5fd7_cryptolocker
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Size
81KB
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MD5
b9a87f9a18f7a0b8c16d9bbd296a5fd7
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SHA1
63e72e4da7004bbd61ea5d278f6d02e1794455e1
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SHA256
57d710fb290c21083b9fc5a30b679f1bf87d24f47bf17de589ef392091407c8f
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SHA512
db454b1790bf0c68cf69063f45a5c3ae4aa9e5f079d17c67ce475574059ee70d45973e56e35490366096a10f068cc129fce19e2265c91861514d438b1144e545
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1T:zCsanOtEvwDpjp
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 2024-01-26_b9a87f9a18f7a0b8c16d9bbd296a5fd7_cryptolocker
Files
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2024-01-26_b9a87f9a18f7a0b8c16d9bbd296a5fd7_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