Behavioral task
behavioral1
Sample
2024-04-28_ac342e38227a05979260db5f999d63b6_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-28_ac342e38227a05979260db5f999d63b6_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_ac342e38227a05979260db5f999d63b6_cryptolocker
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Size
39KB
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MD5
ac342e38227a05979260db5f999d63b6
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SHA1
618e18986b92b85f8b05d9119221bfd79b73fe4e
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SHA256
6a37edc88cddd7bb8d16b30b6e8048d629aa6b4bf1fafb99af6a6370dd96fd68
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SHA512
3f009176db6f8e5fea1e07598cff1ae749a7af066839d65bd8a04dbb216bed06b5084a6e16f97c469669f2a47593429362e64b1093b2921ebb42af7efb2c2772
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHN:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKt
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 2024-04-28_ac342e38227a05979260db5f999d63b6_cryptolocker
Files
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2024-04-28_ac342e38227a05979260db5f999d63b6_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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