Static task
static1
Behavioral task
behavioral1
Sample
MrsMajor2.0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
MrsMajor2.0.exe
Resource
win10v2004-20241007-en
General
-
Target
MrsMajor2.0.exe
-
Size
25.6MB
-
MD5
247a35851fdee53a1696715d67bd0905
-
SHA1
d2e86020e1d48e527e81e550f06c651328bd58a4
-
SHA256
5dd4ea169cabf9226f54bb53e63ea6a1b5880a0d1222242aee378efb6255b57d
-
SHA512
a173801aaef4fab608d99b52223b5b2400d69b91edcbf33c21fcb47bd832eef9d771dfd36da350a502a371ed1739c869a7c2b4dca456c93f2feed9ac9c647c7c
-
SSDEEP
786432:7VQ4fX8siQIZwastE9oGH5UcnaAVBmn163+L2:7ywXwdwRQo2O1L2
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource MrsMajor2.0.exe
Files
-
MrsMajor2.0.exe.exe windows:4 windows x86 arch:x86
d7ee0bec939bda9b20c9cb9dcb985e30
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
msvcrt
memset
strncmp
memmove
strncpy
strstr
_strnicmp
_stricmp
strlen
strcmp
sprintf
fabs
ceil
malloc
floor
free
fclose
memcpy
strcpy
tolower
kernel32
GetModuleHandleA
HeapCreate
RemoveDirectoryA
GetTempFileNameA
GetShortPathNameA
GetWindowsDirectoryA
GetSystemDirectoryA
HeapDestroy
ExitProcess
GetExitCodeProcess
GetNativeSystemInfo
FindResourceA
LoadResource
SizeofResource
HeapAlloc
HeapFree
Sleep
LoadLibraryA
GetProcAddress
FreeLibrary
GetCurrentThreadId
GetCurrentProcessId
CloseHandle
InitializeCriticalSection
GetCommandLineA
GetModuleFileNameA
GetEnvironmentVariableA
SetEnvironmentVariableA
GetCurrentProcess
TerminateProcess
SetUnhandledExceptionFilter
EnterCriticalSection
LeaveCriticalSection
GetVersionExA
HeapReAlloc
SetLastError
TlsAlloc
GetCurrentDirectoryA
SetCurrentDirectoryA
SetFileAttributesA
DeleteFileA
GetTempPathA
CreateDirectoryA
WriteFile
CreateFileA
SetFilePointer
ReadFile
DeleteCriticalSection
user32
CharLowerA
MessageBoxA
SendMessageA
PostMessageA
GetWindowThreadProcessId
IsWindowVisible
GetWindowLongA
GetForegroundWindow
IsWindowEnabled
EnableWindow
EnumWindows
SetWindowPos
DestroyWindow
GetDC
GetWindowTextLengthA
GetWindowTextA
SetRect
DrawTextA
GetSystemMetrics
ReleaseDC
GetSysColor
GetSysColorBrush
CreateWindowExA
CallWindowProcA
SetWindowLongA
SetFocus
RedrawWindow
RemovePropA
DefWindowProcA
SetPropA
GetParent
GetPropA
GetWindow
SetActiveWindow
UnregisterClassA
DestroyAcceleratorTable
LoadIconA
LoadCursorA
RegisterClassA
AdjustWindowRectEx
ShowWindow
CreateAcceleratorTableA
PeekMessageA
MsgWaitForMultipleObjects
GetMessageA
GetActiveWindow
TranslateAcceleratorA
TranslateMessage
DispatchMessageA
GetFocus
GetClientRect
FillRect
EnumChildWindows
DefFrameProcA
GetWindowRect
IsChild
GetClassNameA
GetKeyState
DestroyIcon
RegisterWindowMessageA
gdi32
GetStockObject
SelectObject
SetBkColor
SetTextColor
GetTextExtentPoint32A
CreateSolidBrush
DeleteObject
GetObjectA
CreateCompatibleDC
GetDIBits
DeleteDC
GetObjectType
CreateDIBSection
BitBlt
CreateBitmap
SetPixel
comctl32
InitCommonControlsEx
ole32
CoInitialize
CoTaskMemFree
RevokeDragDrop
shell32
ShellExecuteExA
winmm
timeBeginPeriod
shlwapi
PathQuoteSpacesA
PathRenameExtensionA
PathAddBackslashA
PathUnquoteSpacesA
Sections
.code Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 25.6MB - Virtual size: 25.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ