Static task
static1
Behavioral task
behavioral1
Sample
boot500.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
boot500.exe
Resource
win10v2004-20230220-en
General
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Target
boot500.exe
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Size
639KB
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MD5
d353c0efb7bb57ce64aca275a50aa01a
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SHA1
ed54620d9659447c4f8e32bab1c1e8e03ba63805
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SHA256
3eafe152158e4b80d4fdfa8d8e41ea16f9ab9398377b2d60df3e28495a58d374
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SHA512
60246fed9f8cd041c1f8a7e28afe948b8cc6471d7a8ba8ab18d483aacead3acec6330637159039f5c09cecde6001e93cb015f545eedaf2e05cba9fd746a5414b
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SSDEEP
12288:695pOLYz7lMTTiQgAxox+LGCZeHmgpqIMKs47eHsTqV9BOkD:6BOAyTT4UBjgpqIiKeHsuV9B3
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource boot500.exe
Files
-
boot500.exe.exe windows x86
67565c1c330845ef8d6996fcd11571bc
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
crtdll
_purecall
memset
memmove
??2@YAPAXI@Z
??3@YAXPAX@Z
rand
strchr
srand
time
memcmp
memcpy
strcmp
strncmp
atol
strcat
_chdir
_getcwd
calloc
free
_strcmpi
strlen
_exit
_XcptFilter
exit
_acmdln_dll
_initterm
__GetMainArgs
_commode_dll
_fmode_dll
_global_unwind2
_local_unwind2
strstr
_getdrive
_chdrive
_mkdir
mpr
WNetConnectionDialog
WNetGetUserA
kernel32
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
CloseHandle
OpenFile
CreateFileA
SetFilePointer
ReadFile
IsDBCSLeadByte
WriteFile
WideCharToMultiByte
lstrcmpiA
GetVersion
FormatMessageA
SetErrorMode
DeviceIoControl
GetLastError
GetDiskFreeSpaceA
FreeLibrary
_lread
_llseek
GetTickCount
_lopen
GetWindowsDirectoryA
GetModuleFileNameA
GetModuleHandleA
lstrcpynA
DeleteFileA
_lwrite
lstrcatA
LockResource
LoadResource
FindResourceA
LoadLibraryExA
GetTempPathA
GetStartupInfoA
lstrlenA
lstrcpyA
GlobalLock
_lclose
GlobalAlloc
GlobalHandle
GlobalReAlloc
GlobalUnlock
FindNextFileA
GlobalFree
FindFirstFileA
GetDriveTypeA
FindClose
GetLogicalDrives
GetProcAddress
GetVolumeInformationA
LoadLibraryA
GetFileTime
FreeResource
user32
EnableMenuItem
GetSystemMenu
SetWindowPos
GetSystemMetrics
SetWindowLongA
LoadCursorA
IsIconic
GetParent
SetFocus
MessageBeep
DestroyWindow
OemToCharA
CharNextA
CharToOemA
DrawFocusRect
SetCursor
MessageBoxA
GetDesktopWindow
GetWindowRect
LoadStringA
CreateDialogParamA
DrawTextA
GetClientRect
GetWindowLongA
EndPaint
BeginPaint
DefWindowProcA
RegisterClassA
DispatchMessageA
CharPrevA
CharUpperA
TranslateMessage
SetWindowTextA
CreateIconIndirect
GetIconInfo
KillTimer
SetTimer
CreateWindowExA
LoadBitmapA
CheckDlgButton
PostMessageA
GetDlgItemInt
IsDlgButtonChecked
SetDlgItemInt
InvalidateRect
GetScrollRange
CharLowerA
DialogBoxParamA
GetWindowTextA
SetDlgItemTextA
SendDlgItemMessageA
wsprintfA
ShowWindow
EnableWindow
EndDialog
GetDlgItemTextA
GetDlgItem
SendMessageA
GetDC
SetRect
GetSysColor
IsDialogMessageA
PeekMessageA
FillRect
ReleaseDC
DestroyIcon
gdi32
DeleteDC
CreateSolidBrush
SelectObject
DeleteObject
CreateCompatibleBitmap
GetObjectA
CreateCompatibleDC
ExtTextOutA
SetTextColor
GetTextMetricsA
GetBkColor
BitBlt
GetStockObject
SetBkMode
SetBkColor
comdlg32
GetSaveFileNameA
Sections
.text Size: 65KB - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 18KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ