2024-04-04_f5d9a2c8e67b40dd409c74f5145e25bd_cryptolocker | Triage

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General

Target

2024-04-04_f5d9a2c8e67b40dd409c74f5145e25bd_cryptolocker
Size

40KB
MD5

f5d9a2c8e67b40dd409c74f5145e25bd
SHA1

a0f428a262d11efcc86014347771f0ffe2444e63
SHA256

dbd77e7b505a8aa3cc285d224e677820b82b70c9190e9b0ca72158bd28f9e3f8
SHA512

b3147f73e4c57e79cedb4743af168db9e97e9db3ebb01b781ae732df74a8421856d04cfc22f17796c26b63987f67744a94db19ecfe4cdd71657ad9d309404b7e
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlxujsFwc0F:b/yC4GyNM01GuQMNXw2PSjHPbSuYlaJ/

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
2024-04-04_f5d9a2c8e67b40dd409c74f5145e25bd_cryptolocker

Files

2024-04-04_f5d9a2c8e67b40dd409c74f5145e25bd_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