2024-04-27_dfa84d4bfa6239bf22b9e43f6ecd5877_cryptolocker | Triage

Sharing

General

Target

2024-04-27_dfa84d4bfa6239bf22b9e43f6ecd5877_cryptolocker
Size

42KB
MD5

dfa84d4bfa6239bf22b9e43f6ecd5877
SHA1

e71868d441ddaa92b98778edf6d45d293a424425
SHA256

f570ef855cb5237af5ea2fc5978f84b167b6f36ea6cf98cca94135c083831588
SHA512

80d97c2eaf19cb525a7595fa4dc9d52dcfba701f3ebcca2e4f02d9c6b595f9427e9dd453f1825f475684e2cf3ecb31ad557c2970487ee2a50fa84a306c489c66
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8uYo0nrlwfjDU9:bm74zYcgT/Ek70ryfjQ

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
2024-04-27_dfa84d4bfa6239bf22b9e43f6ecd5877_cryptolocker

Files

2024-04-27_dfa84d4bfa6239bf22b9e43f6ecd5877_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