2024-02-25_dd5c7d7e77edd5b76f3d270502857a6e_cryptolocker | Triage

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General

Target

2024-02-25_dd5c7d7e77edd5b76f3d270502857a6e_cryptolocker
Size

43KB
MD5

dd5c7d7e77edd5b76f3d270502857a6e
SHA1

5a04d534bb8664e2cf7a98f6a9dc8ca29d531039
SHA256

fd0e57f87d053e0ebef03ff19995daea700be150a06efbe157e279c91cb58bb8
SHA512

9485dfc6b8cb8792d43288ffa3577319e9e7e631cfa7e8d571f90a17d4187e2360fbf223e8d7f49725e11bb24f0c1a81880bec53eb470dcd21d7deaf10da98eb
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9S6:bxNrC7kYo1Fxf3s05rwxbF7YvbU6

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
2024-02-25_dd5c7d7e77edd5b76f3d270502857a6e_cryptolocker

Files

2024-02-25_dd5c7d7e77edd5b76f3d270502857a6e_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