Behavioral task
behavioral1
Sample
2024-06-05_cfb5935a9601c3c46db3a7a2aa4fa58f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-05_cfb5935a9601c3c46db3a7a2aa4fa58f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-05_cfb5935a9601c3c46db3a7a2aa4fa58f_cryptolocker
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Size
90KB
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MD5
cfb5935a9601c3c46db3a7a2aa4fa58f
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SHA1
11d57a1126c58b996f233b3f5c45d698989a1c13
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SHA256
519378421a845e373187ca03a163f0a4be33d901c31cf25495f6e5922b24a83b
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SHA512
dca17f6f0a1b831abe13eaf465b52f5183de0a90b43855b705e687ace52edf99259c379118a9bbca2ead087b9db9702a23a4f93d8236d5faf20d55bce3b42255
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tybl9p: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 2024-06-05_cfb5935a9601c3c46db3a7a2aa4fa58f_cryptolocker
Files
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2024-06-05_cfb5935a9601c3c46db3a7a2aa4fa58f_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