Static task
static1
Behavioral task
behavioral1
Sample
2024-04-21_fb05ac19d9fb7e62b6d68a472e9d3c9f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_fb05ac19d9fb7e62b6d68a472e9d3c9f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-21_fb05ac19d9fb7e62b6d68a472e9d3c9f_cryptolocker
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Size
52KB
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MD5
fb05ac19d9fb7e62b6d68a472e9d3c9f
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SHA1
ef39c7dbc0940a98bfa31e5c414d295ba81538a2
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SHA256
35f238d179523f598e14f35d6ca0aa71a8d74e5cb69eefbc15f707485a060efa
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SHA512
a92d010ed43b29e39d4d3e9f8c6ef5d5e62828fb7e73327d894aa98844ac8c7998d57982ccd0ed01ad4a64e7245a446cccc323eecd2c120b5efc419be73c66ea
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gjh:bgGYcA/53GAA6y37Q6dI+d5QGl
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 2024-04-21_fb05ac19d9fb7e62b6d68a472e9d3c9f_cryptolocker
Files
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2024-04-21_fb05ac19d9fb7e62b6d68a472e9d3c9f_cryptolocker.exe windows:5 windows x86 arch: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