2024-03-08_4f9a36bbc2bbdc6af7da822ff57ee2a4_cryptolocker | Triage

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General

Target

2024-03-08_4f9a36bbc2bbdc6af7da822ff57ee2a4_cryptolocker
Size

37KB
MD5

4f9a36bbc2bbdc6af7da822ff57ee2a4
SHA1

1d17ed28f0c930208e6a136b94c5bf9c3af18de8
SHA256

33489631e693fa4d9e37da6f189a094fb27e683fe56e9c4fd529eec5a6cab4c2
SHA512

05d9f4cf5e781bffdc616205e94d085f075803180d68f39d05d0c2d6abb86a6970165ed762d2c2fbec49680333d6dc8c5744d74aba0e3d927bd7fb469213b683
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3p:bxNrC7kYo1Fxf3s06g/

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
2024-03-08_4f9a36bbc2bbdc6af7da822ff57ee2a4_cryptolocker

Files

2024-03-08_4f9a36bbc2bbdc6af7da822ff57ee2a4_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