Behavioral task
behavioral1
Sample
2024-04-15_af5e47d3f9565b908fb035b1e965f34e_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-04-15_af5e47d3f9565b908fb035b1e965f34e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_af5e47d3f9565b908fb035b1e965f34e_cryptolocker
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Size
54KB
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MD5
af5e47d3f9565b908fb035b1e965f34e
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SHA1
dfd11633467f90a4592a41400853221081953967
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SHA256
31cf3c60f4fc720d76ff46c4ffc49cf4afeef858091cd412f05b93096608c3bb
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SHA512
f1d7031deec0281bbe77fbd1529fea7408f53abf34546afd8f8c9198e4b645327979df3bab1548cb8449f58c4fa40274c72f8f931b6898c7d49a3b27868ff8e6
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgCN:bP9g/xtCS3Dxx0QN
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 2024-04-15_af5e47d3f9565b908fb035b1e965f34e_cryptolocker
Files
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2024-04-15_af5e47d3f9565b908fb035b1e965f34e_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