Static task
static1
Behavioral task
behavioral1
Sample
2023-08-25_f648664ee93808b0e85d23d52e31ef70_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-25_f648664ee93808b0e85d23d52e31ef70_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-25_f648664ee93808b0e85d23d52e31ef70_cryptolocker_JC.exe
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Size
40KB
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MD5
f648664ee93808b0e85d23d52e31ef70
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SHA1
40e9e37e24c8eb935066bceeb9c1c7854b5952fe
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SHA256
cd6487ac71c10c80d2ff23de5899a6fc880c4c08bf4cac5604a33c08e0271b07
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SHA512
ec6bcb76fbdf3e0d743849f9a60c1370422d1c937ec833f3376624b4962443bf3aef46e817f741cf7f48a01b6331ec1277c30f5719158e2ecfacd5f24b240b14
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDF:bgGYcA/53GAA6y37A
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2023-08-25_f648664ee93808b0e85d23d52e31ef70_cryptolocker_JC.exe
Files
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2023-08-25_f648664ee93808b0e85d23d52e31ef70_cryptolocker_JC.exe.exe windows:5 windows x86
021d5e7849e90fdf4c65d3045c109483
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos
kernel32
GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ