2024-05-22_4a735a82190c82aab5d225cc47dfce15_cryptolocker | Triage

Sharing

General

Target

2024-05-22_4a735a82190c82aab5d225cc47dfce15_cryptolocker
Size

31KB
MD5

4a735a82190c82aab5d225cc47dfce15
SHA1

9dc587ebb8c2aa1bd5bf90cd60a82f98c00dbe89
SHA256

9261ebc53eac1c9995ccb5ea25b67f6a55eb9527860842811109e5f0d55e15f0
SHA512

3ea074e0f03548748b6fe344f05a71c2ecd066d55c5ff7a9acc204c051384b955be8cfbfb8bb61837ba3b74cdc7c5692a7a7e40ec5164bfffffa02064e55a805
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznum+U8Ss87vhL:b/yC4GyNM01GuQMNXum+NSnL

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource yara_rule

sample CryptoLocker_rule2

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
2024-05-22_4a735a82190c82aab5d225cc47dfce15_cryptolocker

Files

2024-05-22_4a735a82190c82aab5d225cc47dfce15_cryptolocker
.exe windows:5 windows x86 arch:x86

ad86a1414a0514f4c041167365378f70

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

EndPaint
GetMessageA
DrawTextA
ShowWindow
UpdateWindow
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
PostQuitMessage
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ