2024-06-09_f3fb4217731b7d623a5a20c6a8b5b542_cryptolocker | Triage

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General

Target

2024-06-09_f3fb4217731b7d623a5a20c6a8b5b542_cryptolocker
Size

43KB
MD5

f3fb4217731b7d623a5a20c6a8b5b542
SHA1

443eb06e1f39035e4b68b1a7d1ef9a84f36ca21b
SHA256

e23c8b0eeaa5a1d8008c630d12761eb5807c1ddf0da8b0020bdbd8fbd4ab91c3
SHA512

329f4dfa16474976b1a0fc252ab50e1a952320c8a9ca40d9ed1d0884e9c1369b8c3c90a92cc31a5ad0ab30c246fe39fa2f3a7dcbfb5a90277bb2e637dcba759d
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlmoHR8uypR1R:b/yC4GyNM01GuQMNXw2PSjHPbSuYlZQj

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
2024-06-09_f3fb4217731b7d623a5a20c6a8b5b542_cryptolocker

Files

2024-06-09_f3fb4217731b7d623a5a20c6a8b5b542_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