Behavioral task
behavioral1
Sample
2024-04-30_bf44bac5e791dda64657c31c8e1aeaeb_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-30_bf44bac5e791dda64657c31c8e1aeaeb_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_bf44bac5e791dda64657c31c8e1aeaeb_cryptolocker
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Size
40KB
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MD5
bf44bac5e791dda64657c31c8e1aeaeb
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SHA1
5f5d66df8e5345d460a629c37efa4364e57279f1
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SHA256
237f9b549ca829e5736a47e32af7b7db9c1324651a079c1ae31d86b0a65d99fd
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SHA512
047ae68b6254547ba7c11a036704345b1fa16aaf1ee50e088de6736a693b4bafec7566098c339d9c0b6c8142e33e3e22200f208761344edd54440729a8aa695d
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHNQB:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKCB
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 2024-04-30_bf44bac5e791dda64657c31c8e1aeaeb_cryptolocker
Files
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2024-04-30_bf44bac5e791dda64657c31c8e1aeaeb_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