Behavioral task
behavioral1
Sample
2024-05-20_54b84ebf909173ea804c4421600138c8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-20_54b84ebf909173ea804c4421600138c8_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-20_54b84ebf909173ea804c4421600138c8_cryptolocker
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Size
56KB
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MD5
54b84ebf909173ea804c4421600138c8
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SHA1
f23867082d6b9542f18e02219a5b157c1de4cab5
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SHA256
584c1dd3f66ab32be48f35c0f8a10213c8a360b717bebe2e4b042ec36af66198
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SHA512
12db9c39921994b01e44436f15d06088d821c12db8703d9b5eb4b27dcca2cbb1ae065f5428a502662bc1983e5998245720d3e8b728d5b667b95fde08718431ad
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlI:bP9g/xtCS3Dxx0j
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 2024-05-20_54b84ebf909173ea804c4421600138c8_cryptolocker
Files
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2024-05-20_54b84ebf909173ea804c4421600138c8_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: 17KB - Virtual size: 24KB
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE