Static task
static1
Behavioral task
behavioral1
Sample
2024-04-18_31ea7addf94248f62cefbf47559bbcf6_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-18_31ea7addf94248f62cefbf47559bbcf6_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_31ea7addf94248f62cefbf47559bbcf6_cryptolocker
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Size
41KB
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MD5
31ea7addf94248f62cefbf47559bbcf6
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SHA1
57940269f6f3ef8ed43343f32892583578b59de7
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SHA256
561841aeba77947bc8232b03d409eb3be1f0fb30d5260d3195a7c1a29087eaf9
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SHA512
31d755728eb5cee21d025e0bfb2bc90609d6a7f122711076cd1963e151abcf3565c0629dc1300196587a4f0fed469ce47dba28a90034efd3906b5edb266835e6
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRY+iyeq:m5nkFNMOtEvwDpjG8hhXy+iyd
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 2024-04-18_31ea7addf94248f62cefbf47559bbcf6_cryptolocker
Files
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2024-04-18_31ea7addf94248f62cefbf47559bbcf6_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE