Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_4fa6b9b59302f0942386752d50e58eba_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_4fa6b9b59302f0942386752d50e58eba_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_4fa6b9b59302f0942386752d50e58eba_cryptolocker
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Size
48KB
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MD5
4fa6b9b59302f0942386752d50e58eba
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SHA1
deef8b141058163446fcb16facb3ae8f7c0c5d31
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SHA256
23861ae66fb42c57c040f6f8d4b9ffc5fd5a249bd8b07bcb890e5fd4ad8e53bb
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SHA512
9190642541447399639df353f2f90b5a244cac0db84b864c72e481f4cb10c42c34e51c46cac91b929228f62c7fb41c8f1baff88aa1cda9c557e8ed3e574b6533
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbP/MoqvuwG:i5nkFGMOtEvwDpjNbXM2
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 2024-02-28_4fa6b9b59302f0942386752d50e58eba_cryptolocker
Files
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2024-02-28_4fa6b9b59302f0942386752d50e58eba_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