2024-04-27_8a030273bfbb7bfb041cb5c42357619f_cryptolocker | Triage

Sharing

General

Target

2024-04-27_8a030273bfbb7bfb041cb5c42357619f_cryptolocker
Size

43KB
MD5

8a030273bfbb7bfb041cb5c42357619f
SHA1

8b772014d9d6c28f2ff6069e13cf49d869a6e8f8
SHA256

7e8b3368bec5b91f0f55d0eb744151691156fd8c4b899448bb436f94fc6f52c7
SHA512

547f1d459c572aa1fe23f6a5eefd384a277c22127a569470e005649e530b65b935be819e64261fef5cb0caf99af762be310cfb88172c9c858c802b9fad627db7
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDU/D:bm74zYcgT/Ekn0ryfjMD

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
2024-04-27_8a030273bfbb7bfb041cb5c42357619f_cryptolocker

Files

2024-04-27_8a030273bfbb7bfb041cb5c42357619f_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