Static task
static1
Behavioral task
behavioral1
Sample
2024-04-18_a58c41884c8b1553b714bed8b463919c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-18_a58c41884c8b1553b714bed8b463919c_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_a58c41884c8b1553b714bed8b463919c_cryptolocker
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Size
40KB
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MD5
a58c41884c8b1553b714bed8b463919c
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SHA1
73b3e302607943cef3177da3efbea0f727379af1
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SHA256
5ec9b35904fc155d60fed5b6503029b86a4c26d0109dec9ee78914193fb7a304
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SHA512
6d34070ee8c6afa77544e4e8745ae9dfa821141de0b33284c092506bc660ad1ed56a8153987b4d12fa49ac0d61acd5a3ede238f702eaa10cf01d99267a9281d1
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYst:i5nkFGMOtEvwDpjR+viHst
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_a58c41884c8b1553b714bed8b463919c_cryptolocker
Files
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2024-04-18_a58c41884c8b1553b714bed8b463919c_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