Static task
static1
Behavioral task
behavioral1
Sample
2024-03-06_31bc258032a0b3890876a233e61fd272_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_31bc258032a0b3890876a233e61fd272_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_31bc258032a0b3890876a233e61fd272_cryptolocker
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Size
37KB
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MD5
31bc258032a0b3890876a233e61fd272
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SHA1
5932925acb9f207510c4f1a7a391fd1f1bb914ae
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SHA256
683316380205fd8f5ae507c6ff81e9a500773f078f407cfcfde38e6c5b02ab7e
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SHA512
cdb6120b1905434b5a9671ec47a2f6e0b97b36ad0bb4d79271e59b589efdfc01809b367dee00ba490a1a32086b6583de4e01fd8764cca431153a82db0a785f41
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SSDEEP
768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3v:bxNrC7kYo1Fxf3s06gZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-06_31bc258032a0b3890876a233e61fd272_cryptolocker
Files
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2024-03-06_31bc258032a0b3890876a233e61fd272_cryptolocker.exe windows:5 windows x86 arch:x86
3c4da9ed0ba02990af7795e358bfd650
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
ShowWindow
SetWindowPos
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 518B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ