2024-05-29_d730e4d07e1100ca759c7f4800d93db0_cryptolocker | Triage

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General

Target

2024-05-29_d730e4d07e1100ca759c7f4800d93db0_cryptolocker
Size

44KB
MD5

d730e4d07e1100ca759c7f4800d93db0
SHA1

47a5ef1c11d4b829d433606014fb7430a4e689a8
SHA256

955b7296287c5f737805a936d38f3f42eea06356cb9ac6b00cbad2750bf249ac
SHA512

37273e723eba41167136c5aab8f875fb0b23e7681b4469f3cd07a540a2bdd4dc2d7ffd64febdd7a9695274f069e5353a6fcff742ae7ccfe9263c3649522baaf9
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUkO:bm74zYcgT/EkM0ryfjdO

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
2024-05-29_d730e4d07e1100ca759c7f4800d93db0_cryptolocker

Files

2024-05-29_d730e4d07e1100ca759c7f4800d93db0_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

.htext
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE