2024-02-28_efaad648cbbecb7a56fbd3c489e32935_cryptolocker | Triage

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General

Target

2024-02-28_efaad648cbbecb7a56fbd3c489e32935_cryptolocker
Size

39KB
MD5

efaad648cbbecb7a56fbd3c489e32935
SHA1

ef3dbdb0572d47022cf04a90ddcfe75791c5499f
SHA256

862dac68a45682309012ac64189bbeb3dccf7ffcf2d58ace2a7a4a30694aac44
SHA512

9d1d6f5c0e655f4e5f57facb387b5b67d35babaf4b75de1b797df30dcfecc9350b41c67f4d36b7ae6b1c5d34938ac6a1be0504eda541ecdf4de7e3157f6fb9e6
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlxujsFwk:b/yC4GyNM01GuQMNXw2PSjHPbSuYlaJk

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
2024-02-28_efaad648cbbecb7a56fbd3c489e32935_cryptolocker

Files

2024-02-28_efaad648cbbecb7a56fbd3c489e32935_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