Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_f740a3babf66940f3846a12d3c1d50a2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_f740a3babf66940f3846a12d3c1d50a2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_f740a3babf66940f3846a12d3c1d50a2_cryptolocker
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Size
48KB
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MD5
f740a3babf66940f3846a12d3c1d50a2
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SHA1
d9430455def25e45db4b6d5b8df35c916dc12706
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SHA256
e6e32873b476f85947dba2316649c3c5e2f08729d07c7b067e2c7fe7b49b76d4
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SHA512
039c5dfe73c9e9122f595b8567f9f5ad592955b44cf810a2ef4965fcaa9c247b95996b171599ddd78a466f54e352a42815c397117b825327b1e446cb80c80092
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbP/0Gg7Ai0:i5nkFGMOtEvwDpjNbXdgMr
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 2024-02-13_f740a3babf66940f3846a12d3c1d50a2_cryptolocker
Files
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2024-02-13_f740a3babf66940f3846a12d3c1d50a2_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