2024-05-31_3deee5c82befa0eb2b3a9d8f70f9998b_cryptolocker | Triage

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General

Target

2024-05-31_3deee5c82befa0eb2b3a9d8f70f9998b_cryptolocker
Size

34KB
MD5

3deee5c82befa0eb2b3a9d8f70f9998b
SHA1

21f3afcf30a51635ef58c0a426f84836021ef4da
SHA256

40e97ea9dec88cf0bd8cbff6fd3f94b48e0b367dad64ab0180c821df74fa782c
SHA512

05d55fbd302244a98616825acf97f0284854acd0d9f0a9fa7d8d2d497476164df637068457e034a58e54927f7fec23e7ea7a7e97b84e7f2e9a6007c7e1a55673
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5jmU6:bxNrC7kYo1Fxf2rYPL6

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
2024-05-31_3deee5c82befa0eb2b3a9d8f70f9998b_cryptolocker

Files

2024-05-31_3deee5c82befa0eb2b3a9d8f70f9998b_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