2024-03-09_b13b784b4d685ffd74abba54239300f7_cryptolocker | Triage

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General

Target

2024-03-09_b13b784b4d685ffd74abba54239300f7_cryptolocker
Size

30KB
MD5

b13b784b4d685ffd74abba54239300f7
SHA1

cb8b2561719b5f8e4fd7db9c0f6bfcd364b302ce
SHA256

98b971b2ca3ec4af85f9e8719d6044395efcbbac7cc3308897f04f56a43069a2
SHA512

b37679244471dc225863be81f8bd11ab69427aa2447776b439fc0eb5978d3b25a7ea89463a5e7d6f8e2974a3f8cfa134219afa3d1703848f7c349fdbc3342c76
SSDEEP

384:buWbtjL8L1iE0eBhkzPbKAaomTqC9Mwf4fjDCgpmaPc4mb8Ybm:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbm

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
2024-03-09_b13b784b4d685ffd74abba54239300f7_cryptolocker

Files

2024-03-09_b13b784b4d685ffd74abba54239300f7_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
ShowWindow
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

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: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ