Static task
static1
Behavioral task
behavioral1
Sample
2024-02-25_a187e20a975053bf8a3aba26884f1868_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_a187e20a975053bf8a3aba26884f1868_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_a187e20a975053bf8a3aba26884f1868_cryptolocker
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Size
86KB
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MD5
a187e20a975053bf8a3aba26884f1868
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SHA1
2185e4b490b2b7ed3476b3889deb38f8d17617b7
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SHA256
2bc94a6bb510d8f6d33fb0dc464eeab5d76200fe5a3c69e1667f203f3836ed28
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SHA512
249e8381816e484e3910328b2e70b354ccc88e371707f8f4c927f3bc762ed4cf627edb7d7e3ba6062ac675e9f6235904e0ca19620b3ca8c0eb39b88f5deb1627
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SSDEEP
1536:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8AcYU:okFDOtEvwDpjP0
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 2024-02-25_a187e20a975053bf8a3aba26884f1868_cryptolocker
Files
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2024-02-25_a187e20a975053bf8a3aba26884f1868_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