GFS_Installer_v0[.]27[.]exe

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General

Target

GFS_Installer_v0.27.exe
Size

95KB
MD5

47381bd124fd18239ac2cc88f11ffaa6
SHA1

5816372f14f2f00b1c54795932f900863ff71adc
SHA256

f9603373682cdd54a5017fb81b2895d0c62511983796003fb78c1fe9b00a63d2
SHA512

584dd6de04563d86d21421e53eaf23ab2bdd073d2fb8faf7506f50ca43c60b417623485d4579b88454b9508b0a60acb185b3ca7a977e1cb0fe74299d21f08475
SSDEEP

1536:/pgpHzb9dZVX9fHMvG0D3XJR4Romu/Jgn+xn0+jChecM3P/S6+uQxHRXDeSzhGlY:hgXdZt9P6D3XJR45Sy+j1Pc3/XKSKOx

Score

3^/10

Malware Config

Signatures

Unsigned PE 3 IoCs

Checks for missing Authenticode signature.

resource
GFS_Installer_v0.27.exe
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsDialogs.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

GFS_Installer_v0.27.exe
.exe windows:4 windows x86 arch:x86

7fa974366048f9c551ef45714595665e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

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

kernel32

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

user32

EndDialog
ScreenToClient
GetWindowRect
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
RegisterClassA
TrackPopupMenu
AppendMenuA
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
DestroyWindow
CreateDialogParamA
SetTimer
SetWindowTextA
PostQuitMessage
SetForegroundWindow
wsprintfA
SendMessageTimeoutA
FindWindowExA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
OpenClipboard
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

SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation

advapi32

RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA

comctl32

ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create

ole32

CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 151KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 60KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:4 windows x86 arch:x86

2017f2acbdaa42ab3e4adeb8b4c37e7b

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GlobalAlloc
GlobalFree
GlobalSize
GetLastError
lstrcpyA
lstrcpynA
FreeLibrary
lstrcatA
GetProcAddress
LoadLibraryA
GetModuleHandleA
MultiByteToWideChar
lstrlenA
WideCharToMultiByte
VirtualAlloc
VirtualProtect

user32

wsprintfA

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store

Sections

.text
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 784B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 100B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 520B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/choosecamo.bmp
$PLUGINSDIR/choosetank.bmp
$PLUGINSDIR/nsDialogs.dll
.dll windows:4 windows x86 arch:x86

1e2884056e655f2b7bc5a904e352fc80

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

lstrcpyA
GetFileAttributesA
lstrcmpiA
MulDiv
lstrlenA
HeapFree
GetCurrentDirectoryA
HeapAlloc
HeapReAlloc
GlobalFree
lstrcpynA
GlobalAlloc
GetProcessHeap
SetCurrentDirectoryA

user32

GetPropA
DestroyWindow
CallWindowProcA
SetCursor
LoadCursorA
RemovePropA
CharPrevA
GetWindowLongA
DrawTextA
GetWindowTextA
GetDlgItem
SetWindowLongA
SetWindowPos
CreateDialogParamA
MapWindowPoints
GetWindowRect
SetPropA
CreateWindowExA
IsWindow
SetTimer
KillTimer
DispatchMessageA
TranslateMessage
GetMessageA
IsDialogMessageA
ShowWindow
wsprintfA
MapDialogRect
GetClientRect
CharNextA
SendMessageA
DrawFocusRect

gdi32

SetTextColor

shell32

SHBrowseForFolderA
SHGetPathFromIDListA

comdlg32

GetSaveFileNameA
GetOpenFileNameA
CommDlgExtendedError

ole32

CoTaskMemFree

Exports

Exports

Create
CreateControl
CreateItem
CreateTimer
GetUserData
KillTimer
OnBack
OnChange
OnClick
OnNotify
SelectFileDialog
SelectFolderDialog
SetRTL
SetUserData
Show

Sections

.text
Size: 4KB - Virtual size: 4KB

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: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 572B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 23KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 151KB

.ndata Size: - Virtual size: 60KB

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

2017f2acbdaa42ab3e4adeb8b4c37e7b

Headers

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 7KB - Virtual size: 7KB

.rdata Size: 1024B - Virtual size: 784B

.data Size: 512B - Virtual size: 100B

.reloc Size: 1024B - Virtual size: 520B

1e2884056e655f2b7bc5a904e352fc80

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

comdlg32

ole32

Exports

Exports

Sections

.text Size: 4KB - Virtual size: 4KB

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

.data Size: 512B - Virtual size: 4KB

.rsrc Size: 512B - Virtual size: 152B

.reloc Size: 1024B - Virtual size: 572B

.text
Size: 23KB - Virtual size: 23KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 151KB

.ndata
Size: - Virtual size: 60KB

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

.text
Size: 7KB - Virtual size: 7KB

.rdata
Size: 1024B - Virtual size: 784B

.data
Size: 512B - Virtual size: 100B

.reloc
Size: 1024B - Virtual size: 520B

.text
Size: 4KB - Virtual size: 4KB

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

.data
Size: 512B - Virtual size: 4KB

.rsrc
Size: 512B - Virtual size: 152B

.reloc
Size: 1024B - Virtual size: 572B