msdotnetsec[.]exe

Sharing

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General

Target

msdotnetsec.exe
Size

68KB
MD5

87d600580f7bd261990ee7593b658029
SHA1

968e4b5e0ae43077530f737de915c4fdf85a26c4
SHA256

1c826b9f8b774d4d433914ba984e454c75c6264e739931f474eaa68ac0a9022f
SHA512

28d79bf517c413f5ad36b78db6c8f8b503661d095db7c7ac088f8b49a15ca1f9ded430b6ad14211f9001352c7eb63d79f4e77bdfdf0184bdbd3391bc3a5ba1bc
SSDEEP

1536:AcZ1DDc7/DJTPEzBzBSx4Romu/TGdVLnVLJMosGv:r147/deBSx45hFndJMI

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

msdotnetsec.exe
.exe windows x86

e42c0ba5350d48c9fb666ff52855f8ec

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CompareFileTime
SearchPathA
GetShortPathNameA
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
Sleep
GetTickCount
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
GetWindowsDirectoryA
SetFileTime
GetCommandLineA
SetErrorMode
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
LoadLibraryA
CreateProcessA
CreateFileA
GetTempFileNameA
lstrlenA
lstrcatA
GetSystemDirectoryA
GetVersion
RemoveDirectoryA
CloseHandle
lstrcmpiA
lstrcmpA
ExpandEnvironmentStringsA
GlobalAlloc
WaitForSingleObject
GetExitCodeProcess
GlobalFree
GetModuleHandleA
LoadLibraryExA
GetProcAddress
FreeLibrary
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
WriteFile
ReadFile
MulDiv
SetFilePointer
FindClose
FindNextFileA
FindFirstFileA
DeleteFileA
GetTempPathA

user32

ScreenToClient
GetMessagePos
CallWindowProcA
IsWindowVisible
LoadBitmapA
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
TrackPopupMenu
GetWindowRect
AppendMenuA
CreatePopupMenu
GetSystemMetrics
EndDialog
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
CheckDlgButton
GetClassInfoA
CreateWindowExA
SystemParametersInfoA
RegisterClassA
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
DestroyWindow
CreateDialogParamA
SetTimer
SetWindowTextA
PostQuitMessage
SetForegroundWindow
wsprintfA
SendMessageTimeoutA
FindWindowExA
LoadCursorA
SetCursor
GetWindowLongA
GetSysColor
CharNextA
DialogBoxParamA
ExitWindowsEx
IsWindow
GetDlgItem
SetWindowLongA
LoadImageA
GetDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndPaint
ShowWindow

gdi32

SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject

shell32

SHBrowseForFolderA
SHGetPathFromIDListA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation

advapi32

RegEnumKeyA
RegOpenKeyExA
RegCloseKey
RegDeleteKeyA
RegDeleteValueA
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumValueA

comctl32

ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create

ole32

CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 167KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 176KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e42c0ba5350d48c9fb666ff52855f8ec

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 22KB - Virtual size: 22KB

.rdata Size: 5KB - Virtual size: 5KB

.data Size: 512B - Virtual size: 167KB

.ndata Size: - Virtual size: 176KB

.rsrc Size: 16KB - Virtual size: 15KB

.text
Size: 22KB - Virtual size: 22KB

.rdata
Size: 5KB - Virtual size: 5KB

.data
Size: 512B - Virtual size: 167KB

.ndata
Size: - Virtual size: 176KB

.rsrc
Size: 16KB - Virtual size: 15KB