2024-02-21_4a8b4fecf8aa120c5bfbe53356e1f44a_cryptolocker | Triage

Sharing

Copy URL Twitter E-mail

General

Target

2024-02-21_4a8b4fecf8aa120c5bfbe53356e1f44a_cryptolocker
Size

40KB
MD5

4a8b4fecf8aa120c5bfbe53356e1f44a
SHA1

44ef091b30fb6d3e4bc4e4ee9756d6982c2917d8
SHA256

bb38e1e0fa33e36a49b00b9d50b623b2207f51b46dd3ffe0e3cf04aa891bc102
SHA512

d7e1ccfe13b6606a0235daf6f523a54b6cce41cd4680ef3fb9fb4b37ce6fc35355435600aa052821ce745718d725cacd96912259da991867b442c6a2eccf23c9
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFh9:bxNrC7kYo1Fxf3s05rwxbFh9

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
2024-02-21_4a8b4fecf8aa120c5bfbe53356e1f44a_cryptolocker

Files

2024-02-21_4a8b4fecf8aa120c5bfbe53356e1f44a_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