Behavioral task
behavioral1
Sample
2024-06-12_71ffa63f6107d3d40b7c2266183801b6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-12_71ffa63f6107d3d40b7c2266183801b6_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-12_71ffa63f6107d3d40b7c2266183801b6_cryptolocker
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Size
25KB
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MD5
71ffa63f6107d3d40b7c2266183801b6
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SHA1
ee65f621630d6112f302d892fde91add200e811b
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SHA256
e07ce4245fef243045411b87d94217619648cf67978c13343d59f7aa9d15443f
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SHA512
46f1d78c477da04cc0ae5f6b0d0125c420dc761f82909c898511f3b1edfc1cfc74d76f7641f2d758dfdd4fbd1107dd14197dfe0385a8ab5d3ed9d8a2e65dc609
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SSDEEP
384:bCj4PdKCpD2jXUrMkeaNJawcudoD7Uh/zzRsTJ:bYOdVB2jXUrMkvnbcuyD7UFXOF
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-12_71ffa63f6107d3d40b7c2266183801b6_cryptolocker
Files
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2024-06-12_71ffa63f6107d3d40b7c2266183801b6_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
Sections
UPX0 Size: - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE