Static task
static1
Behavioral task
behavioral1
Sample
2024-04-17_91bea375543a0f8756fe4284666b7c21_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-17_91bea375543a0f8756fe4284666b7c21_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_91bea375543a0f8756fe4284666b7c21_cryptolocker
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Size
86KB
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MD5
91bea375543a0f8756fe4284666b7c21
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SHA1
b0e9e083d4a921c0ae2749e2d85eb103ef16f077
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SHA256
7cc28af9ae98536e233c670e220666286724a7cc1fd4655fd1492af7398dca2a
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SHA512
58c422a1fd049d4fac30453fb02eea65dfbc30c4ed36872299169e4b86811258b7ad6c4164f5ba6a28d3765c0fcdff8ce98599814d2e2328ddf873a4efe5b840
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpRC:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8Y
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 2024-04-17_91bea375543a0f8756fe4284666b7c21_cryptolocker
Files
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2024-04-17_91bea375543a0f8756fe4284666b7c21_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