2024-02-02_a4d34315da6fe6bbb7c18765038c8e7f_cryptolocker | Triage

Sharing

General

Target

2024-02-02_a4d34315da6fe6bbb7c18765038c8e7f_cryptolocker
Size

42KB
MD5

a4d34315da6fe6bbb7c18765038c8e7f
SHA1

1a258da02f18a2ca9812a056f5f6056210cccdc4
SHA256

0c04f35eee0c3c46664c9f617cd4d935e7bc121e88c3f3c5c1b03aa59ce1b3a0
SHA512

1157edbea00e2021240cbb078076a8276a5fb6bf8889437e67fc617639c2b8352deefe92c121309cf1c7a3c85e534be9c56ee0b37c1dcc7a14fbfdbc0a5ad088
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9o:bxNrC7kYo1Fxf3s05rwxbF7YvbG

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
2024-02-02_a4d34315da6fe6bbb7c18765038c8e7f_cryptolocker

Files

2024-02-02_a4d34315da6fe6bbb7c18765038c8e7f_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