Behavioral task
behavioral1
Sample
2024-04-16_4fbc434747012e4d6ccf3dea8b2064f1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_4fbc434747012e4d6ccf3dea8b2064f1_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_4fbc434747012e4d6ccf3dea8b2064f1_cryptolocker
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Size
39KB
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MD5
4fbc434747012e4d6ccf3dea8b2064f1
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SHA1
80c811d021c9ab5ffa79d7963dde90f245acef21
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SHA256
dc4a9283ab9270b9ae3663de78a0d9f9472ec9505af569183671207c1b925a53
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SHA512
7eaca92772818c0b654bb1cb96eeb78962a27b6231e704964697b06b10ca433472330d3b28735a63f0833049810aa9ddc33fac86dadbd459de7d7e9000ba68a2
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHI:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKo
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 2024-04-16_4fbc434747012e4d6ccf3dea8b2064f1_cryptolocker
Files
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2024-04-16_4fbc434747012e4d6ccf3dea8b2064f1_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