Static task
static1
Behavioral task
behavioral1
Sample
2024-05-16_4a82fb79d94d81efb76178ea2d1f820f_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-16_4a82fb79d94d81efb76178ea2d1f820f_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-16_4a82fb79d94d81efb76178ea2d1f820f_cryptolocker
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Size
43KB
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MD5
4a82fb79d94d81efb76178ea2d1f820f
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SHA1
38e9f9eb81fb554f8632fd3047edc28cc14bb7bf
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SHA256
5fe3ba1f6fc1b1b912711382a445e6dc528a0ca5b28a1b65a3d08736fd1f036c
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SHA512
5e8bd7f8c0530f1da754dfdea9cea423773b7351f47192b47651b442a4afba70cf30855d7cf0381b4a08fcc24b85cdaeff65c94aed624f332f37ba1b085c4e54
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5j4:m5nkFNMOtEvwDpjG8hhXj5E
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 2024-05-16_4a82fb79d94d81efb76178ea2d1f820f_cryptolocker
Files
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2024-05-16_4a82fb79d94d81efb76178ea2d1f820f_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE