2024-05-17_4fd5e57f757bb18de58ece8cc9591ea5_cryptolocker | Triage

Sharing

General

Target

2024-05-17_4fd5e57f757bb18de58ece8cc9591ea5_cryptolocker
Size

40KB
MD5

4fd5e57f757bb18de58ece8cc9591ea5
SHA1

9c6ce0322c0bee51ad008bfbe4d7d0a21a27ff95
SHA256

7819ee904337c879ec1477a1e71812597c3dcefe60b7256619395558f3195c18
SHA512

32508fc73add70942919c94bc68afa0d22e4e121f0dccddf3959dabc0cfc2ee8c0ee63ef0c79f2fcbe58e3218a16b2d51f4d3e2da08b7f00f66d5f532323f6d6
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCF:bA6YcA/X6G0W143Qe

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
2024-05-17_4fd5e57f757bb18de58ece8cc9591ea5_cryptolocker

Files

2024-05-17_4fd5e57f757bb18de58ece8cc9591ea5_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