2024-02-13_6a4c8d6ac20388fd061c7f6db9a8437b_cryptolocker | Triage

Sharing

General

Target

2024-02-13_6a4c8d6ac20388fd061c7f6db9a8437b_cryptolocker
Size

37KB
MD5

6a4c8d6ac20388fd061c7f6db9a8437b
SHA1

91c496af865ee3c113a471af0ff6a5a4ca23636a
SHA256

bf7261febfb6f3450c28b74e8a819b64cfe933a7be5972a5c1cb05974c9ca7a0
SHA512

5fd1b076e6097c764e2e75aa80ca057ec5f3e2b5457895add6b4627237e1740c72d110bf7ef471a8b49d71e2beb81b5c3b9bf1bd27860e6fd5189e9f33b6d97c
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3O/:bxNrC7kYo1Fxf3s06gY/

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
2024-02-13_6a4c8d6ac20388fd061c7f6db9a8437b_cryptolocker

Files

2024-02-13_6a4c8d6ac20388fd061c7f6db9a8437b_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