2024-03-18_fd3f9968d0f3e7ee0b8ce24aa759cd99_cryptolocker | Triage

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General

Target

2024-03-18_fd3f9968d0f3e7ee0b8ce24aa759cd99_cryptolocker
Size

44KB
MD5

fd3f9968d0f3e7ee0b8ce24aa759cd99
SHA1

f41075e38870eecead15973eea76740e08d93017
SHA256

17b60c7f80a76ab148d16604211f23c9eb2991ba65c9398d0037a06e068a0538
SHA512

a7abbe237d91e0dab49211ad4e4c42ec4ffebebbede3794dbdfdfb44a975a60aa13d2658d863c94fe6ab6f97ac08fe9058f7f67acfce446142ab39cdcc09ec95
SSDEEP

768:bA74zYcgT/Ekd0ryfjLzViYmGl3J2dBqW3xwA:bA6YcA/X6G/zVinyUugn

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
2024-03-18_fd3f9968d0f3e7ee0b8ce24aa759cd99_cryptolocker

Files

2024-03-18_fd3f9968d0f3e7ee0b8ce24aa759cd99_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