Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_457915bf10692644b7be79cd7e1c1e2e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-15_457915bf10692644b7be79cd7e1c1e2e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_457915bf10692644b7be79cd7e1c1e2e_cryptolocker
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Size
102KB
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MD5
457915bf10692644b7be79cd7e1c1e2e
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SHA1
fef4d3e92ed3f5ba5df10596266b03060205415b
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SHA256
42bd8f595c0f0a055c145b55c123bac3632a0bc291af7fe1d7e979a21ec862f4
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SHA512
3a0e0e942b72c3e8472d26f4150179d87751757631f71e9ea51f95d97f93980a584d69857c65e3498dcc0927019ceb93e44d50c721267e5ac2dc152792f09cdf
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu5er:i5nkFGMOtEvwDpjNbwQEIikgNN
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 2024-04-15_457915bf10692644b7be79cd7e1c1e2e_cryptolocker
Files
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2024-04-15_457915bf10692644b7be79cd7e1c1e2e_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