Behavioral task
behavioral1
Sample
2024-04-11_5dc8d0bd3b961d886d2d03c19dff9467_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_5dc8d0bd3b961d886d2d03c19dff9467_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_5dc8d0bd3b961d886d2d03c19dff9467_cryptolocker
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Size
117KB
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MD5
5dc8d0bd3b961d886d2d03c19dff9467
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SHA1
9774c7e52a5c083dbeaaebf156b6666fdc263fc3
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SHA256
eb5c95a8924839cb7a41017898816859f2c0c82aa1001626b2b73ec075aa4c58
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SHA512
4867fee847a0b10a05e5d9952224c5af7e91979b1c4c4e33fde1f9b3eece66b00e2ae351c28d07acbda96e58dee91bdcccee74d13a400c7fe2c066e0410b2c3d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpYICSz:z6a+CdOOtEvwDpjczw
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-11_5dc8d0bd3b961d886d2d03c19dff9467_cryptolocker
Files
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2024-04-11_5dc8d0bd3b961d886d2d03c19dff9467_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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