2024-06-11_aa4b3e08e3ba0a77d4cd21a22e950c78_cryptolocker | Triage

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General

Target

2024-06-11_aa4b3e08e3ba0a77d4cd21a22e950c78_cryptolocker
Size

31KB
MD5

aa4b3e08e3ba0a77d4cd21a22e950c78
SHA1

fab0b0a4410810faf873645f99ffd2ebd104d583
SHA256

8dd26011b14fd703b1a1c37a727a6b702edec8991ae971115f3fa9c991e9180f
SHA512

17d47cc6d78ac9ad869f0a9403ce91a1aab7721dbece62697cb4f943c9f2e26e27bf35425991ec456bb6d93344af8f8c28cad27c905bd85f98fde8e33159abdf
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznum+U8Ss87vhiY:b/yC4GyNM01GuQMNXum+NSniY

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
2024-06-11_aa4b3e08e3ba0a77d4cd21a22e950c78_cryptolocker

Files

2024-06-11_aa4b3e08e3ba0a77d4cd21a22e950c78_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