2024-05-16_4cb8ae89151ebf303bcd122d86c2fe30_cryptolocker | Triage

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General

Target

2024-05-16_4cb8ae89151ebf303bcd122d86c2fe30_cryptolocker
Size

41KB
MD5

4cb8ae89151ebf303bcd122d86c2fe30
SHA1

f458d33cd65cc50b9d02f028f5baa0944163e028
SHA256

ed1b26162e4f6cc2ae927a47b7210c40f92008f974f34ad8b2f10b81225cec60
SHA512

46c840682275b5375276038a929b02629d4dacd1a1562d3561fa9b87ef8fbc72872841dd945121cd19f6e1e8c6031b3a791b567f87bc4b03d660a5ccb11bd9d2
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3Hwqn:bA6YcA/X6G0W143QQ

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-16_4cb8ae89151ebf303bcd122d86c2fe30_cryptolocker

Files

2024-05-16_4cb8ae89151ebf303bcd122d86c2fe30_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