Behavioral task
behavioral1
Sample
2024-05-10_a25a6f3f5baa373e9f584f1a535b40c3_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-10_a25a6f3f5baa373e9f584f1a535b40c3_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-10_a25a6f3f5baa373e9f584f1a535b40c3_cryptolocker
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Size
55KB
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MD5
a25a6f3f5baa373e9f584f1a535b40c3
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SHA1
85fa3c3100d5d5820ab9ffaedfe6bea7124beb8d
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SHA256
194c89d004a0baa66d62a132e71e15f18332be44cfb3801e5538f70052ab64a6
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SHA512
2ab6f195dcb043ed5976faedaec945b04694318fa4ef9ad21b9c246d028d64a45c9ed85a947b35c5e22a951904e8bc06398da7da57773b90dde695b2e9e5e3a7
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl9+: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 2024-05-10_a25a6f3f5baa373e9f584f1a535b40c3_cryptolocker
Files
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2024-05-10_a25a6f3f5baa373e9f584f1a535b40c3_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