2024-04-16_a0741fb92bf10bcdee77783f220cbba4_cryptolocker | Triage

Sharing

General

Target

2024-04-16_a0741fb92bf10bcdee77783f220cbba4_cryptolocker
Size

42KB
MD5

a0741fb92bf10bcdee77783f220cbba4
SHA1

34ae124178e4af1c85b4f583163d75755f2224c2
SHA256

4ae3374676cd60e3b08e428bbaad67a06ed08a46fb83110e7d7aa48387250753
SHA512

2e37d066cbae542411d291ddcf270d2f6ab7acc1def6ae58d6d35cd89284afc79962f47bcff9dbdd46b8454cc4ba658e9e1ef30d3a28409cf616bb8cb27335af
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8uYo0nrlwfjDUO4:bm74zYcgT/Ek70ryfjB4

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
2024-04-16_a0741fb92bf10bcdee77783f220cbba4_cryptolocker

Files

2024-04-16_a0741fb92bf10bcdee77783f220cbba4_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

.htext
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE