aMSN-0[.]98[.]9-tcl85-windows-installer[.]exe

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General

Target

aMSN-0.98.9-tcl85-windows-installer.exe
Size

17.7MB
MD5

8c31a650c0030bff0c1907a7755ab497
SHA1

0feaf6ac6284db55c894ce6db91c65b901dd9ef9
SHA256

77033842b2a9721e9e10a0b510f8479330dc84330f4adebf3c72d0e84d3d6766
SHA512

b9ff83531afe0569cd14570bcd66dadbb976e51c66f3c47f6ee681b54af2fbfa38176bf93fbcbc573653dc1f91a972d94a283c9010339c46a1f4030c9364356f
SSDEEP

393216:Pvna0V2xadNmlVT4yVPZo8rJAmcmy0HUjMLgC9nOKccl8T3W:Pva0V2xazU8UFmYXLgsiclWW

Score

3^/10

Malware Config

Signatures

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
aMSN-0.98.9-tcl85-windows-installer.exe
unpack001/$PLUGINSDIR/InstallOptions.dll
unpack001/$PLUGINSDIR/LangDLL.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/UserInfo.dll
unpack001/amsn.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

aMSN-0.98.9-tcl85-windows-installer.exe
.exe windows:4 windows x86 arch:x86

b1a57b635b23ffd553b3fd1e0960b2bd

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

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA
ShellExecuteA

advapi32

RegDeleteValueA
SetFileSecurityA
RegOpenKeyExA
RegDeleteKeyA
RegEnumValueA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_AddMasked
ImageList_Destroy
ImageList_Create
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 40KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 34KB - Virtual size: 34KB

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

738dc9bb91549f627cf1953c2000e1d6

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

GetCurrentDirectoryA
MultiByteToWideChar
SetCurrentDirectoryA
GetPrivateProfileStringA
GetPrivateProfileIntA
GetModuleHandleA
lstrcmpiA
lstrcatA
lstrcpynA
WritePrivateProfileStringA
lstrlenA
lstrcpyA
GlobalFree
GlobalAlloc
GlobalUnlock
GlobalLock

user32

GetDlgCtrlID
CloseClipboard
GetClipboardData
MapWindowPoints
LoadCursorA
GetClientRect
SetWindowRgn
LoadIconA
GetWindowLongA
SetWindowLongA
CreateWindowExA
MapDialogRect
SetWindowPos
GetWindowRect
CreateDialogParamA
ShowWindow
SetCursor
PtInRect
EnableWindow
GetDlgItem
DestroyIcon
DestroyWindow
DispatchMessageA
TranslateMessage
GetMessageA
IsDialogMessageA
DrawFocusRect
CallWindowProcA
PostMessageA
MessageBoxA
CharNextA
wsprintfA
GetWindowTextA
SetWindowTextA
SendMessageA
EnableMenuItem
DrawTextA
GetSystemMenu
OpenClipboard
LoadImageA

gdi32

SetTextColor
DeleteObject
CombineRgn
CreateRectRgn
GetDIBits
SelectObject
CreateCompatibleDC
GetObjectA

shell32

SHGetPathFromIDListA
ShellExecuteA
SHBrowseForFolderA
SHGetDesktopFolder

comdlg32

GetOpenFileNameA
GetSaveFileNameA
CommDlgExtendedError

ole32

CoTaskMemFree

Exports

Exports

dialog
initDialog
show

Sections

.text
Size: 7KB - Virtual size: 6KB

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: 2KB - Virtual size: 10KB

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: 1KB - Virtual size: 1KB

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

4e5f0ae8071ae04cdb537283701198ff

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

GetACP
GlobalFree
GetModuleHandleA
lstrcpynA
lstrcmpA
MulDiv
GlobalAlloc
lstrlenA
lstrcpyA

user32

SetDlgItemTextA
SendDlgItemMessageA
EndDialog
DialogBoxParamA
SetWindowTextA
LoadIconA
SendMessageA
ShowWindow
GetDC

gdi32

DeleteObject
CreateFontIndirectA
GetDeviceCaps

Exports

Exports

LangDialog

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 697B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 352B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 320B

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

f2ac1ab587d5531d5f1bf76c094aef4c

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

MultiByteToWideChar
GlobalFree
GlobalSize
GetLastError
lstrcpyA
lstrcpynA
FreeLibrary
lstrcatA
GetProcAddress
LoadLibraryA
GetModuleHandleA
GlobalAlloc
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: 512B - Virtual size: 510B

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

87cef8501ab86470cdb266e427b811c4

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

GetModuleHandleA
GetProcAddress
GlobalAlloc
GetVersion
GetCurrentThread
GetCurrentProcess
GetLastError
GlobalFree
CloseHandle
lstrcpynA

advapi32

OpenThreadToken
OpenProcessToken
GetTokenInformation
AllocateAndInitializeSid
EqualSid
GetUserNameA
FreeSid

Exports

Exports

GetAccountType
GetName
GetOriginalAccountType

Sections

.text
Size: 1024B - Virtual size: 741B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 673B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 190B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/ioSpecial.ini
$PLUGINSDIR/modern-header.bmp
$PLUGINSDIR/modern-wizard.bmp
amsn.exe
.exe windows:4 windows x86 arch:x86

5c29f7fd36d7ea45b4aa2fd8c6d2f507

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

kernel32

HeapFree
CloseHandle
GetLastError
CreateProcessW
HeapAlloc
GetProcessHeap
lstrlenW
GetModuleFileNameW

user32

wsprintfW
CharPrevW
MessageBoxW

Sections

.text
Size: 4KB - Virtual size: 432B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 352B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b1a57b635b23ffd553b3fd1e0960b2bd

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

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

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

.data Size: 1KB - Virtual size: 108KB

.ndata Size: - Virtual size: 40KB

.rsrc Size: 34KB - Virtual size: 34KB

738dc9bb91549f627cf1953c2000e1d6

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

comdlg32

ole32

Exports

Exports

Sections

.text Size: 7KB - Virtual size: 6KB

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

.data Size: 2KB - Virtual size: 10KB

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

.reloc Size: 1KB - Virtual size: 1KB

4e5f0ae8071ae04cdb537283701198ff

Headers

File Characteristics

Imports

kernel32

user32

gdi32

Exports

Exports

Sections

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

.rdata Size: 1024B - Virtual size: 697B

.data Size: 512B - Virtual size: 3KB

.rsrc Size: 512B - Virtual size: 352B

.reloc Size: 512B - Virtual size: 320B

f2ac1ab587d5531d5f1bf76c094aef4c

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: 512B - Virtual size: 510B

87cef8501ab86470cdb266e427b811c4

Headers

File Characteristics

Imports

kernel32

advapi32

Exports

Exports

Sections

.text Size: 1024B - Virtual size: 741B

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

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

.data
Size: 1KB - Virtual size: 108KB

.ndata
Size: - Virtual size: 40KB

.rsrc
Size: 34KB - Virtual size: 34KB

.text
Size: 7KB - Virtual size: 6KB

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

.data
Size: 2KB - Virtual size: 10KB

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

.reloc
Size: 1KB - Virtual size: 1KB

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

.rdata
Size: 1024B - Virtual size: 697B

.data
Size: 512B - Virtual size: 3KB

.rsrc
Size: 512B - Virtual size: 352B

.reloc
Size: 512B - Virtual size: 320B

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

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

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

.reloc
Size: 512B - Virtual size: 510B

.text
Size: 1024B - Virtual size: 741B

.rdata
Size: 1024B - Virtual size: 673B

.data
Size: 512B - Virtual size: 88B

.reloc
Size: 512B - Virtual size: 190B

.text
Size: 4KB - Virtual size: 432B

.rdata
Size: 4KB - Virtual size: 352B

.data
Size: 4KB - Virtual size: 168B

.rsrc
Size: 16KB - Virtual size: 13KB