Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_a8a5fbc96b77208c8d03004fb4c7e41a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_a8a5fbc96b77208c8d03004fb4c7e41a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_a8a5fbc96b77208c8d03004fb4c7e41a_cryptolocker
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Size
39KB
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MD5
a8a5fbc96b77208c8d03004fb4c7e41a
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SHA1
ff4f6b792e9b21d9d3386dcae6f475113fc2a892
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SHA256
71427489342885adf579ff8d23f8f2be913a375549d44a5633181d4644d2e3b3
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SHA512
41c18be0e90705547f2154412da9f356f640b3ac46ad0ff0931e9267697a44bebac4b59369c0ad8326afbdf4206d1d51c2b104fad7067090bb0089ef5e48966c
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRM:m5nkFNMOtEvwDpjG8hhXq
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 2024-01-29_a8a5fbc96b77208c8d03004fb4c7e41a_cryptolocker
Files
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2024-01-29_a8a5fbc96b77208c8d03004fb4c7e41a_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