Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_73ae5379fdcf13b4523ec6b5f2e7ec69_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-15_73ae5379fdcf13b4523ec6b5f2e7ec69_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_73ae5379fdcf13b4523ec6b5f2e7ec69_cryptolocker
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Size
86KB
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MD5
73ae5379fdcf13b4523ec6b5f2e7ec69
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SHA1
d57276adf17348130fa514fa12dbd31f51571c25
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SHA256
234ebfadf6e45c5e3284567f7b6eceacc5e8836f91a20b17533a6649e0fee990
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SHA512
83e4ca3ec9d48d52303c0d8e728abf8616d01c2d4f4cf7f80b76e77bb9af0a6702d025b391c33f2fa304a6ccd44b52fb1ad56d7eca4c23fe693e0672dcf96e65
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpRv:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8B
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 2024-04-15_73ae5379fdcf13b4523ec6b5f2e7ec69_cryptolocker
Files
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2024-04-15_73ae5379fdcf13b4523ec6b5f2e7ec69_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