Static task
static1
Behavioral task
behavioral1
Sample
2024-04-18_99da9a19f6cd6479663860e025b85eb2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_99da9a19f6cd6479663860e025b85eb2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-18_99da9a19f6cd6479663860e025b85eb2_cryptolocker
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Size
40KB
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MD5
99da9a19f6cd6479663860e025b85eb2
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SHA1
4128f08058db54510096ee8b79ea42519a9673c1
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SHA256
8bc4e746b857ff06d267358cc4b94d1c2790060feb283e57599d5b81f201f69a
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SHA512
32eb66c092e2408e0a359867ce9dad32cfc72588277cf04a65b8925a25816d36648ec8886ff850a6feee10ac9bda794a5fe7224bf3902fe4837cbb2c4a96d173
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYshNC:i5nkFGMOtEvwDpjR+viHshNC
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_99da9a19f6cd6479663860e025b85eb2_cryptolocker
Files
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2024-04-18_99da9a19f6cd6479663860e025b85eb2_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