Static task
static1
Behavioral task
behavioral1
Sample
2024-03-25_fd273d01b75d90928d8bc2228d185b53_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_fd273d01b75d90928d8bc2228d185b53_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_fd273d01b75d90928d8bc2228d185b53_cryptolocker
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Size
87KB
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MD5
fd273d01b75d90928d8bc2228d185b53
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SHA1
4e2a581db9431eaf3c046e4d9059eaa3a82d4904
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SHA256
740c03b4064eda082dff3e28569c44d8c327a6b0eb0968934e30fb9e63598fed
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SHA512
1884cde41cf8bbc8983cb44ef8f733d019d0175ba2a3cb2786488a5b4c8e432647935cbff3fea0e677b76514247fb83c782092eb1d63980a79847d13328b3903
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvzkxr3:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8zc
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 2024-03-25_fd273d01b75d90928d8bc2228d185b53_cryptolocker
Files
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2024-03-25_fd273d01b75d90928d8bc2228d185b53_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