Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_a5aa8fd3aa91966a56b5ac2a65186ed5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_a5aa8fd3aa91966a56b5ac2a65186ed5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_a5aa8fd3aa91966a56b5ac2a65186ed5_cryptolocker
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Size
47KB
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MD5
a5aa8fd3aa91966a56b5ac2a65186ed5
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SHA1
710004da7aed57b4f2617279066fce0436623b3d
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SHA256
1e75032507d44e6d5d0dc540c34f4f9efa5dc22070e45ab392921cd90eda9afa
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SHA512
243d08bd182edeff6ce7772f9b6b399f84f2aaff020b21f6ac222422e465f21e37e1827eeaa34ce6f96b4c79595889af272af68b9bba1fee2e9ea765eda01874
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/74zpzY:XS5nQJ24LR1bytOOtEvwDpjNbP/0Gv
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 2024-01-18_a5aa8fd3aa91966a56b5ac2a65186ed5_cryptolocker
Files
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2024-01-18_a5aa8fd3aa91966a56b5ac2a65186ed5_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