65627701c93ae7dc05d33b13118decba

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General

Target

65627701c93ae7dc05d33b13118decba
Size

5.8MB
MD5

65627701c93ae7dc05d33b13118decba
SHA1

b0ac7a64a32a3854ac1b70aa1f641d48cefe1b3e
SHA256

28f5bef6308d9efd89b640603104176e0ef387c5fb28ae1b08397cd77c01f782
SHA512

0f5acc6e6de774c8202432bbee72641cddc2c192b159f54f3a9546b655896f3199998603e83f5016fc1dbb6ee803e2c6cb0b7a05590e759661d4ccfe654fff37
SSDEEP

98304:ETnz6dqv8H+alxA3UEkoiYGlDSEMQVwin33gR4CQnmAZvgJ8jQUDmm6mkV8ECrak:Ez65okoiYG4W4mmAZvEnUSmVkmPaoDz9

Score

3^/10

Malware Config

Signatures

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
65627701c93ae7dc05d33b13118decba
unpack001/$PLUGINSDIR/LangDLL.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsDialogs.dll
unpack001/Primorun.exe
unpack001/gsdll32.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

65627701c93ae7dc05d33b13118decba
.exe windows:4 windows x86 arch:x86

099c0646ea7282d232219f8807883be0

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

CompareFileTime
SearchPathA
GetShortPathNameA
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
Sleep
GetTickCount
CreateFileA
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
SetFileTime
GetTempPathA
GetCommandLineA
SetErrorMode
LoadLibraryA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
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
GetWindowsDirectoryA

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: 22KB

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: 1024B - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 88KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 27KB - Virtual size: 27KB

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

9b6b6a7858e17fb0b17e1c1428330343

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

GlobalFree
GetACP
lstrlenA
lstrcmpA
lstrcpynA
GetModuleHandleA
MulDiv
lstrcpyA
GlobalAlloc

user32

SetWindowTextA
SetDlgItemTextA
SendDlgItemMessageA
EndDialog
DialogBoxParamA
LoadIconA
SendMessageA
ShowWindow
GetDC

gdi32

CreateFontIndirectA
GetDeviceCaps
DeleteObject

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

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/modern-header.bmp
$PLUGINSDIR/modern-wizard.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
$WINDIR/primopdf.ini
Primorun.exe
.exe windows:4 windows x86 arch:x86

64ee0585b1235bcdd1c4d7aba4a05da7

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

user32

WaitForInputIdle
MessageBoxA

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock

kernel32

LocalFree
LocalHandle
FormatMessageA
lstrcatA
lstrlenA
lstrcpyA
GetLastError
CreateProcessA
CloseHandle
OpenProcess
GetCurrentProcessId
GetProcAddress
LoadLibraryA
lstrcmpA
GetCommandLineA
GetExitCodeProcess
Sleep
GetDriveTypeA
GetFullPathNameA
DeleteFileA
GetFileAttributesA
GetCurrentDirectoryA
ProcessIdToSessionId
TlsAlloc
EnterCriticalSection
LeaveCriticalSection
HeapAlloc
HeapFree
GetVersionExA
GetProcessHeap
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
DeleteCriticalSection
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleA
ExitProcess
RtlUnwind
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
TlsGetValue
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
LCMapStringA
WideCharToMultiByte
MultiByteToWideChar
LCMapStringW
VirtualFree
VirtualAlloc
HeapReAlloc
HeapDestroy
HeapCreate
WriteFile
GetModuleFileNameA
GetConsoleCP
GetConsoleMode
ReadFile
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetSystemTimeAsFileTime
InitializeCriticalSection
FlushFileBuffers
CreateFileA
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
CompareStringA
CompareStringW
SetEnvironmentVariableA
SetStdHandle
SetFilePointer
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
HeapSize
SetEndOfFile

advapi32

OpenProcessToken
DuplicateTokenEx
SetTokenInformation
CreateProcessAsUserA

Sections

.text
Size: 52KB - Virtual size: 49KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 176B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gsdll32.dll
.dll windows:4 windows x86 arch:x86

21aeef1688ae79c4583424d2da1949bf

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

gdi32

SelectObject
CreateFontIndirectA
GetTextMetricsA
GetTextExtentPointA
DeleteDC
GetBitmapBits
TextOutA
SetBkMode
SetTextColor
GetTextFaceA
SetMapMode
GetMapMode
CreateCompatibleDC
CreateBitmap
SetDIBitsToDevice
RealizePalette
SelectPalette
DeleteObject
GetDeviceCaps
CreatePalette
PatBlt

user32

SendDlgItemMessageA
EndDialog
PostMessageA
MessageBoxA
DialogBoxParamA
ReleaseDC
GetDC
MessageBeep

winspool.drv

EnumPrintersA
ClosePrinter
EndDocPrinter
WritePrinter
AbortPrinter
StartDocPrinterA
OpenPrinterA
EndPagePrinter
StartPagePrinter

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey

kernel32

CompareStringW
CompareStringA
GetStringTypeW
GetStringTypeA
GetLocaleInfoA
GetTickCount
QueryPerformanceCounter
GetEnvironmentStringsW
SetEnvironmentVariableA
WriteConsoleA
GetConsoleOutputCP
GetVersion
lstrlenA
GetLastError
CreateProcessA
GetStdHandle
CloseHandle
DuplicateHandle
CreatePipe
GetCurrentProcess
CreateFileA
GetTempFileNameA
GetTempPathA
GetProfileStringA
FindClose
FindNextFileA
FindFirstFileA
GetSystemTime
WaitForSingleObject
GlobalUnlock
GlobalLock
GlobalAlloc
GlobalFree
ReleaseMutex
CreateMutexA
GetProcAddress
GetModuleHandleA
ExitProcess
HeapFree
HeapAlloc
SetStdHandle
EnterCriticalSection
LeaveCriticalSection
GetFileType
MultiByteToWideChar
ReadFile
RtlUnwind
GetSystemTimeAsFileTime
FileTimeToSystemTime
FileTimeToLocalFileTime
GetFileInformationByHandle
PeekNamedPipe
HeapReAlloc
ExitThread
ResumeThread
CreateThread
WriteConsoleW
GetModuleFileNameW
MoveFileA
GetDriveTypeA
GetCurrentThreadId
GetCommandLineA
GetVersionExA
GetProcessHeap
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
InterlockedDecrement
WriteFile
GetModuleFileNameA
DeleteCriticalSection
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
LoadLibraryA
InitializeCriticalSection
GetCPInfo
GetACP
GetOEMCP
LCMapStringA
WideCharToMultiByte
LCMapStringW
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
SetHandleCount
GetStartupInfoA
Sleep
SetFilePointer
RaiseException
GetTimeZoneInformation
GetConsoleCP
GetConsoleMode
FlushFileBuffers
GetFileAttributesA
GetExitCodeProcess
LoadLibraryW
HeapSize
GetCurrentProcessId
SetEndOfFile
GetFullPathNameA
GetCurrentDirectoryA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
DeleteFileA

Exports

Exports

DllEntryPoint
DllMain
gsapi_delete_instance
gsapi_exit
gsapi_init_with_args
gsapi_new_instance
gsapi_revision
gsapi_run_file
gsapi_run_string
gsapi_run_string_begin
gsapi_run_string_continue
gsapi_run_string_end
gsapi_run_string_with_length
gsapi_set_display_callback
gsapi_set_poll
gsapi_set_stdio
gsapi_set_visual_tracer
gsdll_copy_dib
gsdll_copy_palette
gsdll_draw
gsdll_execute_begin
gsdll_execute_cont
gsdll_execute_end
gsdll_exit
gsdll_get_bitmap_row
gsdll_init
gsdll_lock_device
gsdll_revision

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 656KB - Virtual size: 652KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 52KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 76KB - Virtual size: 73KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
primopdf_UG_4-1.pdf
.pdf

Sharing

General

Malware Config

Signatures

Files

099c0646ea7282d232219f8807883be0

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 22KB

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

.data Size: 1024B - Virtual size: 107KB

.ndata Size: - Virtual size: 88KB

.rsrc Size: 27KB - Virtual size: 27KB

9b6b6a7858e17fb0b17e1c1428330343

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

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

64ee0585b1235bcdd1c4d7aba4a05da7

Headers

File Characteristics

Imports

user32

userenv

kernel32

advapi32

Sections

.text Size: 52KB - Virtual size: 49KB

.text
Size: 23KB - Virtual size: 22KB

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

.data
Size: 1024B - Virtual size: 107KB

.ndata
Size: - Virtual size: 88KB

.rsrc
Size: 27KB - Virtual size: 27KB

.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: 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

.text
Size: 52KB - Virtual size: 49KB

.rdata
Size: 12KB - Virtual size: 8KB

.data
Size: 8KB - Virtual size: 12KB

.rsrc
Size: 4KB - Virtual size: 176B

.text
Size: 1.8MB - Virtual size: 1.8MB

.rdata
Size: 656KB - Virtual size: 652KB

.data
Size: 3.4MB - Virtual size: 3.4MB

.rsrc
Size: 52KB - Virtual size: 50KB

.reloc
Size: 76KB - Virtual size: 73KB