Static task
static1
Behavioral task
behavioral1
Sample
2024-03-25_d581f05e92461edfc9970890d877990d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-25_d581f05e92461edfc9970890d877990d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_d581f05e92461edfc9970890d877990d_cryptolocker
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Size
85KB
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MD5
d581f05e92461edfc9970890d877990d
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SHA1
2f642e2657b3481396441e1c86d878fd64fd1b84
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SHA256
2f1cb1b9ff34b219a6abd502ec144b367e561607dbae53a6c7f23710822949cb
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SHA512
691c45e5c463e82e7ccab5d1f4d792c96a0c70754a19c21697b77e174ddbf866c18eb77471f04ae3f7f70f57144ad7acc76117a3e57c6ae626fc5f8cf217761e
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxov:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8uv
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 2024-03-25_d581f05e92461edfc9970890d877990d_cryptolocker
Files
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2024-03-25_d581f05e92461edfc9970890d877990d_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