2024-01-25_76bfb8fdb8a9b9b1ae4ba5f74b57190d_cryptolocker | Triage

Sharing

General

Target

2024-01-25_76bfb8fdb8a9b9b1ae4ba5f74b57190d_cryptolocker
Size

30KB
MD5

76bfb8fdb8a9b9b1ae4ba5f74b57190d
SHA1

1a67bc566c08717129c2ad9f5f68057c95fcdbda
SHA256

674adad47989f90e7c0b6c74ab2e8513590ceaec40f78013835a5c47a9f73220
SHA512

a104e9d004a5b30157c3615a6c38cf6eb4dd78e0311af6f67a6f6db2053e46dc99b7d099ca88d11c6ca11416eebf38c15cb02816b2d5b738843026c7d03bfe3e
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunvsV:bA74zYcgT/Ekd0ryfjPIunvsV

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
2024-01-25_76bfb8fdb8a9b9b1ae4ba5f74b57190d_cryptolocker

Files

2024-01-25_76bfb8fdb8a9b9b1ae4ba5f74b57190d_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