Static task
static1
Behavioral task
behavioral1
Sample
2024-03-12_99b4b656d1547d3f144f0c2972a94f41_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-12_99b4b656d1547d3f144f0c2972a94f41_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_99b4b656d1547d3f144f0c2972a94f41_cryptolocker
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Size
101KB
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MD5
99b4b656d1547d3f144f0c2972a94f41
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SHA1
74e16631f2fc3a5079c7ec7b0b40e0b64964b384
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SHA256
fe6066fb40fc7b1c215e751e8b1f6ed5312adb8405d4a24d64fd68fbf7a8ba18
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SHA512
5c621f7125f368f6a90b3ffcd90ed2dd3aa145044696a1272c16e4f3e91f64f91c73045a5a9dce304d542449085732ba96cd78676b40f74a897fa8e3f890b035
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu5aT3f:i5nkFGMOtEvwDpjNbwQEIikgNn
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 2024-03-12_99b4b656d1547d3f144f0c2972a94f41_cryptolocker
Files
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2024-03-12_99b4b656d1547d3f144f0c2972a94f41_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