Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_a1efb9a715022dda1b7b1d5c61f90d69_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-27_a1efb9a715022dda1b7b1d5c61f90d69_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_a1efb9a715022dda1b7b1d5c61f90d69_cryptolocker
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Size
86KB
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MD5
a1efb9a715022dda1b7b1d5c61f90d69
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SHA1
b38b85ae83bcc36bbbeee1dfba81d4e391fb3caa
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SHA256
32a1a85b75d17fcf39cb22b4feb6595a85a32e55ea934b273881f08d69c090b6
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SHA512
244bab0855d8f418322ab74bb73cf564ffd5a71c56b8918f8f8c1fe094bd70e3f0595abc5a71d39ea9d0ddc0ed9567110e5b6cdb594d183bc8eca318c16c1f9f
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvP29yWXa:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8eXa
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-27_a1efb9a715022dda1b7b1d5c61f90d69_cryptolocker
Files
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2024-04-27_a1efb9a715022dda1b7b1d5c61f90d69_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE