bootskin_free[.]exe

General

Target

bootskin_free.exe
Size

943KB
MD5

496735ba53f15afba30233c7c1b11e13
SHA1

66df0da35a8567f3f1387716dbd152a3f9c6b3b4
SHA256

8efd264263ca146cacc03a301d2852d1fa3625228c39c6676ab620fc67054e92
SHA512

1dff5f577118768c5f4cc91124f8b3697da99cadc199fa2fd0922b018b8b4125912de6840809059cd7f5c0435d98fa60b59d42d186ea9e3042a21fe306932251
SSDEEP

24576:xsaUsg4LRfOtjDSRdqR6hgzedFX38cef9n7b7JT:x2m2tXHRqgKdc57ZT

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bootskin_free.exe

Files

bootskin_free.exe
.exe windows:4 windows x86 arch:x86

5318cd03ef5b5da86800f1483484cfd0

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
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP

Imports

kernel32

lstrcpyA
GetCommandLineA
SetErrorMode
lstrlenA
MulDiv
GetTempFileNameA
GetWindowsDirectoryA
GetModuleFileNameA
GetModuleHandleA
FormatMessageA
lstrcatA
GetLastError
_lwrite
_llseek
GlobalUnlock
_lopen
GlobalAlloc
GlobalFree
_lclose
_lcreat
LoadLibraryA
GetProcAddress
FreeLibrary
OpenFile
GetVersionExA
GetCurrentProcess
WinExec
ExitProcess
_lread
LocalFree
GetTempPathA
GlobalLock

user32

GetDC
BeginPaint
EndPaint
InvalidateRect
PostQuitMessage
SendMessageA
DefWindowProcA
GetClientRect
CreateWindowExA
DrawTextA
ReleaseDC
SetWindowPos
ShowWindow
UpdateWindow
SetTimer
LoadIconA
wsprintfA
MessageBoxA
ExitWindowsEx
RegisterClassA
LoadCursorA

gdi32

DeleteObject
GetStockObject
GetDeviceCaps
PatBlt
CreateSolidBrush
TextOutA
SetTextColor
SetBkMode
SelectObject
StretchDIBits
CreateFontA
RealizePalette
SelectPalette
CreatePalette

advapi32

OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueA

Exports

Exports

_MainWndProc@16
_StubFileWrite@12

Sections

.text
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5318cd03ef5b5da86800f1483484cfd0

Headers

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

Exports

Exports

Sections

.text Size: 8KB - Virtual size: 8KB

.rdata Size: 2KB - Virtual size: 1KB

.data Size: 1024B - Virtual size: 1KB

.rsrc Size: 2KB - Virtual size: 1KB

.text
Size: 8KB - Virtual size: 8KB

.rdata
Size: 2KB - Virtual size: 1KB

.data
Size: 1024B - Virtual size: 1KB

.rsrc
Size: 2KB - Virtual size: 1KB