2024-05-25_4a686306b80b96e9bf13f03a4285a6e4_cryptolocker | Triage

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General

Target

2024-05-25_4a686306b80b96e9bf13f03a4285a6e4_cryptolocker
Size

34KB
MD5

4a686306b80b96e9bf13f03a4285a6e4
SHA1

23ef6e607b28fcf1ee9178e5e352d1669a6669ca
SHA256

437fd1a2446a994dc479b322e53930a42a94598e09799e2adeece084d4b7bec4
SHA512

029f0822a74ae19b9c0aa8d1cdcef6692002b8811a842c7e16d8d3d7f37760d585817a0f41ccec7621a809dbf5c894203ee599a54254f55b41955aaafc5affb5
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5YG:bxNrC7kYo1Fxf2rYx

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
2024-05-25_4a686306b80b96e9bf13f03a4285a6e4_cryptolocker

Files

2024-05-25_4a686306b80b96e9bf13f03a4285a6e4_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
CreateFileA

gdi32

CreateFontIndirectA

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

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: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ