Behavioral task
behavioral1
Sample
2024-05-21_ecfffd51a9fcda5e6088c582509ae5fd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_ecfffd51a9fcda5e6088c582509ae5fd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_ecfffd51a9fcda5e6088c582509ae5fd_cryptolocker
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Size
41KB
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MD5
ecfffd51a9fcda5e6088c582509ae5fd
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SHA1
daec92244954673aa591c88ed9b7c2fa06ae07f1
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SHA256
ab06742f1c85f7569dc618d0430f4990c6f4c6b5bd398a4b0d76a1504cd221a0
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SHA512
45a70107039ac822200460c7d9b46dc9c6ca9d3f8b45fca09dde1d5b7668342bdeb8b1c2060ab01aa78c1cf0181e393874430654ad5e0f42ecb2ae955a0f900e
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKH9:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKd
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 2024-05-21_ecfffd51a9fcda5e6088c582509ae5fd_cryptolocker
Files
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2024-05-21_ecfffd51a9fcda5e6088c582509ae5fd_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