Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_b0b5e603aaab31bb2ac21d9c5434d12b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_b0b5e603aaab31bb2ac21d9c5434d12b_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_b0b5e603aaab31bb2ac21d9c5434d12b_cryptolocker
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Size
85KB
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MD5
b0b5e603aaab31bb2ac21d9c5434d12b
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SHA1
84320989c8a8dd7d12d417fdfc744a0f0e0f23bb
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SHA256
cb534d4dfd29663ed792eed53863114614b57193652111c70f71965f9b55325a
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SHA512
54c5e42dcd6712b2e2bceff9002bdc0e07cdf9f405acbdb3cd457643d51587b7db697de2fbceef909aff60e54f65e62b6458c77f273fce25dceb98ab91cbe678
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvzkxrW:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8zR
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 2024-02-22_b0b5e603aaab31bb2ac21d9c5434d12b_cryptolocker
Files
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2024-02-22_b0b5e603aaab31bb2ac21d9c5434d12b_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