Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_683a5fbde48b23b1827d74a40e76d3c3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_683a5fbde48b23b1827d74a40e76d3c3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_683a5fbde48b23b1827d74a40e76d3c3_cryptolocker
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Size
36KB
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MD5
683a5fbde48b23b1827d74a40e76d3c3
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SHA1
1ae030600ec86a8d3ad986887c140bddd3898306
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SHA256
8ff18a14db05eb9d2148d82960b35dd36f6e5d1a0e570a30dfbae52c5aff0d34
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SHA512
e77843159145bb2f22d297b919dcf72358f4abdf4920de9d5191154f76ed51189cbe28b07df69ead5465cd6117df65cb02b3585093a31d3da195847ae874e27d
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rz3:i5nkFGMOtEvwDpjR+7
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 2024-02-03_683a5fbde48b23b1827d74a40e76d3c3_cryptolocker
Files
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2024-02-03_683a5fbde48b23b1827d74a40e76d3c3_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