Behavioral task
behavioral1
Sample
2024-04-26_97757a042f5c4eb0bec36c2b79d90c2f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-26_97757a042f5c4eb0bec36c2b79d90c2f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_97757a042f5c4eb0bec36c2b79d90c2f_cryptolocker
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Size
55KB
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MD5
97757a042f5c4eb0bec36c2b79d90c2f
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SHA1
0ef698b31049bf807d82a1e254572454b9cf7dec
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SHA256
1f528afb25503318d0750284580578a7b4f28677fa43761b7ff80cbce7705499
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SHA512
53e9c019f57ac05d733da36a6d5c1dd20d6c6dc524cd76da7f9f5eff67acbc737976047531f6e1e9669b600637f038cef4304ec4462184d72e87f144e199385e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl++: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 2024-04-26_97757a042f5c4eb0bec36c2b79d90c2f_cryptolocker
Files
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2024-04-26_97757a042f5c4eb0bec36c2b79d90c2f_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