Static task
static1
Behavioral task
behavioral1
Sample
2024-04-05_c87e0eafa13369536087b572ea65db29_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_c87e0eafa13369536087b572ea65db29_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_c87e0eafa13369536087b572ea65db29_cryptolocker
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Size
85KB
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MD5
c87e0eafa13369536087b572ea65db29
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SHA1
8c627a53ce97ba683a14d9ab67fae3199643f0ad
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SHA256
a18c12d28a1991953eb982cf8c67e2231d1a8d01a45f31d038fdcb464794dcb4
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SHA512
fc0b8d5acd3005c2531ce0a767523e3d4f2e67c7097b10f9924ef9e6cf1fab3d8f31d0905a76fc3c27f5cf89531d67c61203fe8380ad6966b5be8a34e2015b54
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SSDEEP
1536:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8zDYc:okFDOtEvwDpjP0h
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 2024-04-05_c87e0eafa13369536087b572ea65db29_cryptolocker
Files
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2024-04-05_c87e0eafa13369536087b572ea65db29_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