Static task
static1
Behavioral task
behavioral1
Sample
2024-06-01_4bd1b5558d4e3bd7de8313ac28e576f7_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-01_4bd1b5558d4e3bd7de8313ac28e576f7_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-01_4bd1b5558d4e3bd7de8313ac28e576f7_cryptolocker
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Size
69KB
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MD5
4bd1b5558d4e3bd7de8313ac28e576f7
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SHA1
a769ec6a71a9cdc4626701d811599d1edd30169e
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SHA256
217240234e1671af1f93d0652af6d81f0467f367fb221c9f6f85ec86d8b2351a
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SHA512
548cdd4809e52864f86a650119eead559af532327f84f88a7bb2efbd7e49c9891df1e31723bb57fc143827ceb66f4c4f03e2bc7d39779650e7696cc43afc03df
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/d0:i5nkFGMOtEvwDpjNbwQEI8UZDa
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 2024-06-01_4bd1b5558d4e3bd7de8313ac28e576f7_cryptolocker
Files
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2024-06-01_4bd1b5558d4e3bd7de8313ac28e576f7_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