D16_RSA_KeyGen[.]exe

Sharing

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General

Target

D16_RSA_KeyGen.exe
Size

536KB
MD5

f40cd5765fb6fe6962026da7bcf8bf4f
SHA1

1f912a6ec1097b5c6de0544f294640e6aecd290e
SHA256

ad98a2f148bf0982c914396c1732e84f0566fc59f6265d8d99239c60b7d0325f
SHA512

5ee332267b32cc629bdbf16a7d231ac668aae7411c4b3389995ac0536099ddc36756ba11bf20a216699c3dbb118e8aa4999c11b421405ee0a6831f831b607be2
SSDEEP

12288:XYkc9t2Sll/8zbFS3JhbXiIa9UtA4pDwTr982Bs7XGFL9:XYkcL589WbhWUtA4pDCR7q72FJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
D16_RSA_KeyGen.exe
unpack001/$TEMP/BASSMOD.dll
unpack001/$TEMP/R2RJUCE.dll
unpack001/$TEMP/keygen.exe

Files

D16_RSA_KeyGen.exe
.exe windows:4 windows x86 arch:x86

61259b55b8912888e90f516ca08dc514

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
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

advapi32

RegCreateKeyExW
RegEnumKeyW
RegQueryValueExW
RegSetValueExW
RegCloseKey
RegDeleteValueW
RegDeleteKeyW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
SetFileSecurityW
RegOpenKeyExW
RegEnumValueW

shell32

SHGetSpecialFolderLocation
SHFileOperationW
SHBrowseForFolderW
SHGetPathFromIDListW
ShellExecuteExW
SHGetFileInfoW

ole32

OleInitialize
OleUninitialize
CoCreateInstance
IIDFromString
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

GetClientRect
EndPaint
DrawTextW
IsWindowEnabled
DispatchMessageW
wsprintfA
CharNextA
CharPrevW
MessageBoxIndirectW
GetDlgItemTextW
SetDlgItemTextW
GetSystemMetrics
FillRect
AppendMenuW
TrackPopupMenu
OpenClipboard
SetClipboardData
CloseClipboard
IsWindowVisible
CallWindowProcW
GetMessagePos
CheckDlgButton
LoadCursorW
SetCursor
GetSysColor
SetWindowPos
GetWindowLongW
PeekMessageW
SetClassLongW
GetSystemMenu
EnableMenuItem
GetWindowRect
ScreenToClient
EndDialog
RegisterClassW
SystemParametersInfoW
CreateWindowExW
GetClassInfoW
DialogBoxParamW
CharNextW
ExitWindowsEx
DestroyWindow
CreateDialogParamW
SetTimer
SetWindowTextW
PostQuitMessage
SetForegroundWindow
ShowWindow
wsprintfW
SendMessageTimeoutW
FindWindowExW
IsWindow
GetDlgItem
SetWindowLongW
LoadImageW
GetDC
ReleaseDC
EnableWindow
InvalidateRect
SendMessageW
DefWindowProcW
BeginPaint
EmptyClipboard
CreatePopupMenu

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectW
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

GetExitCodeProcess
WaitForSingleObject
GetModuleHandleA
GetProcAddress
GetSystemDirectoryW
lstrcatW
Sleep
lstrcpyA
WriteFile
GetTempFileNameW
lstrcmpiA
RemoveDirectoryW
CreateProcessW
CreateDirectoryW
GetLastError
CreateThread
GlobalLock
GlobalUnlock
GetDiskFreeSpaceW
WideCharToMultiByte
lstrcpynW
lstrlenW
SetErrorMode
GetVersionExW
GetCommandLineW
GetTempPathW
GetWindowsDirectoryW
SetEnvironmentVariableW
CopyFileW
ExitProcess
GetCurrentProcess
GetModuleFileNameW
GetFileSize
CreateFileW
GetTickCount
MulDiv
SetFileAttributesW
GetFileAttributesW
SetCurrentDirectoryW
MoveFileW
GetFullPathNameW
GetShortPathNameW
SearchPathW
CompareFileTime
SetFileTime
CloseHandle
lstrcmpiW
lstrcmpW
ExpandEnvironmentStringsW
GlobalFree
GlobalAlloc
GetModuleHandleW
LoadLibraryExW
MoveFileExW
FreeLibrary
WritePrivateProfileStringW
GetPrivateProfileStringW
lstrlenA
MultiByteToWideChar
ReadFile
SetFilePointer
FindClose
FindNextFileW
FindFirstFileW
DeleteFileW

Sections

.text
Size: 26KB - Virtual size: 25KB

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: 1KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 138KB - Virtual size: 138KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$TEMP/BASSMOD.dll
.dll windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Exports

Exports

BASSMOD_ErrorGetCode
BASSMOD_Free
BASSMOD_GetCPU
BASSMOD_GetDeviceDescription
BASSMOD_GetVersion
BASSMOD_GetVolume
BASSMOD_Init
BASSMOD_MusicDecode
BASSMOD_MusicFree
BASSMOD_MusicGetLength
BASSMOD_MusicGetName
BASSMOD_MusicGetPosition
BASSMOD_MusicGetVolume
BASSMOD_MusicIsActive
BASSMOD_MusicLoad
BASSMOD_MusicPause
BASSMOD_MusicPlay
BASSMOD_MusicPlayEx
BASSMOD_MusicRemoveSync
BASSMOD_MusicSetAmplify
BASSMOD_MusicSetPanSep
BASSMOD_MusicSetPosition
BASSMOD_MusicSetPositionScaler
BASSMOD_MusicSetSync
BASSMOD_MusicSetVolume
BASSMOD_MusicStop
BASSMOD_SetVolume

Sections

Size: 31KB - Virtual size: 68KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
$TEMP/R2RJUCE.dll
.dll windows:6 windows x86 arch:x86

e3236e8b8108636c2974d71b8c00bf88

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

EnterCriticalSection
FindNextFileW
GetCurrentProcess
WriteFile
GetModuleHandleExW
TerminateProcess
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
FindClose
GetLocaleInfoW
CreateFileW
GetCurrentThreadId
CreateEventW
GetLastError
QueryPerformanceFrequency
CloseHandle
LoadLibraryW
GetProcAddress
DeleteCriticalSection
ExitProcess
GetModuleHandleW
FreeLibrary
QueryPerformanceCounter
IsDebuggerPresent
SetUnhandledExceptionFilter
FlushFileBuffers
HeapSize
SetStdHandle
GetProcessHeap
SetEnvironmentVariableW
ReadFile
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
FindFirstFileExW
ReadConsoleW
GetConsoleMode
GetConsoleOutputCP
SetFilePointerEx
GetFileSizeEx
GetOEMCP
GetACP
IsValidCodePage
GetFileType
GetStdHandle
HeapReAlloc
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
LCMapStringW
CompareStringW
HeapAlloc
HeapFree
GetTimeZoneInformation
WriteConsoleW
LoadLibraryExW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
SetLastError
InterlockedFlushSList
RaiseException
RtlUnwind
InitializeSListHead
GetCurrentProcessId
GetStartupInfoW
UnhandledExceptionFilter
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
GetCPInfo
GetStringTypeW
LCMapStringEx
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte
InitializeCriticalSectionEx
GetSystemTimeAsFileTime

winmm

timeGetTime
timeBeginPeriod

Exports

Exports

ConvertToJTime
DecodeBase64
DecodeBase64Formal
DecryptBlowFish
DecryptRSAA
DecryptRSAB
EncodeBase64
EncodeBase64Formal
EncryptBlowFish
EncryptRSAA
EncryptRSAB
GetCurrentJTime
GetMD5A
GetMD5B
GetMacAddress
GetMacAddressStr
GetSHA256A
GetSHA256B

Sections

.text
Size: 150KB - Virtual size: 149KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 82KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$TEMP/bgm.xm
$TEMP/keygen.exe
.exe windows:4 windows x86 arch:x86

61baf0ac33a569be37eaea52c317de1e

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

comctl32

_TrackMouseEvent
ord17

msimg32

GradientFill

kernel32

FreeEnvironmentStringsA
UnhandledExceptionFilter
VirtualQuery
VirtualProtect
GetStringTypeW
GetStringTypeA
IsValidCodePage
IsValidLocale
EnumSystemLocalesA
GetLocaleInfoA
GetUserDefaultLCID
GetCPInfo
GetOEMCP
GetACP
HeapSize
SetUnhandledExceptionFilter
WriteFile
GetFileType
GetStdHandle
SetHandleCount
IsBadWritePtr
VirtualAlloc
VirtualFree
HeapCreate
HeapDestroy
ReadFile
CloseHandle
LCMapStringW
LCMapStringA
SetFilePointer
GetCurrentProcess
TerminateProcess
ExitProcess
GetVersionExA
GetStartupInfoA
GetModuleHandleA
SetCurrentDirectoryA
SetEnvironmentVariableA
CreateDirectoryA
GetFullPathNameA
GetCurrentDirectoryA
GetDriveTypeA
HeapReAlloc
RtlUnwind
RaiseException
HeapFree
HeapAlloc
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetStdHandle
FlushFileBuffers
CreateFileA
IsBadReadPtr
IsBadCodePtr
QueryPerformanceCounter
GetLocalTime
FindFirstFileA
FindNextFileA
GetLastError
FindClose
DeleteFileA
GetShortPathNameA
GlobalLock
GlobalUnlock
MulDiv
GlobalAlloc
GlobalFree
WideCharToMultiByte
MultiByteToWideChar
WinExec
GetWindowsDirectoryA
GetSystemDirectoryA
GetSystemInfo
GlobalMemoryStatus
GetVersion
GetComputerNameA
FreeLibrary
LoadLibraryA
GetProcAddress
GetCommandLineA
Sleep
GetTickCount
GetModuleFileNameA
GetLocaleInfoW
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
InterlockedExchange
SetEndOfFile
GetEnvironmentStrings

user32

UnregisterClassA
AdjustWindowRectEx
LoadIconA
LoadCursorA
RegisterClassA
PostQuitMessage
DefWindowProcA
InvalidateRect
BeginPaint
EndPaint
FillRect
TabbedTextOutA
GetSysColor
MoveWindow
ReleaseDC
GetClassLongA
SetClassLongA
SetWindowLongA
IsWindowEnabled
EnableWindow
SetFocus
GetFocus
GetWindowLongA
GetClientRect
InflateRect
DrawFocusRect
DrawTextA
PostMessageA
SetWindowTextA
GetDlgItemTextA
GetDlgCtrlID
IsDlgButtonChecked
CallWindowProcA
FindWindowA
MsgWaitForMultipleObjects
PeekMessageA
GetMessageA
TranslateMessage
DispatchMessageA
MapVirtualKeyA
GetWindowRect
SetActiveWindow
SetWindowPos
GetAsyncKeyState
GetCursorPos
ShowCursor
SetCursorPos
MessageBoxA
EnumDisplaySettingsA
ChangeDisplaySettingsA
CreateWindowExA
ShowWindow
SendMessageA
DestroyWindow
GetDC
GetSystemMetrics
GetActiveWindow

gdi32

CreateDIBSection
CreateCompatibleDC
Rectangle
DeleteDC
SetBkColor
SetStretchBltMode
StretchBlt
Ellipse
MoveToEx
LineTo
SetPixel
GetPixel
GetTextExtentPoint32A
SetDIBColorTable
CreatePalette
CreatePen
GetTextMetricsA
SelectPalette
RealizePalette
BitBlt
SelectObject
SetBkMode
SetTextColor
GetStockObject
CreateFontIndirectA
DeleteObject
CreateSolidBrush
GetDeviceCaps

comdlg32

GetSaveFileNameA
ChooseColorA
GetOpenFileNameA

advapi32

GetUserNameA

shell32

ShellExecuteA
ShellExecuteExA
SHGetSpecialFolderPathA

ole32

CoCreateInstance
IIDFromString
CLSIDFromProgID
CoUninitialize
CreateStreamOnHGlobal
OleUninitialize
CoInitializeEx
OleInitialize

oleaut32

SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayGetVartype
SafeArrayCopy
OleLoadPicture
SafeArrayGetElement
VariantClear
VariantInit
SafeArrayAccessData
SafeArrayGetDim
SafeArrayUnaccessData
SafeArrayCreate
SysFreeString
SysAllocStringByteLen
VariantChangeType
VariantCopyInd
VariantCopy
SysAllocString
SafeArrayPutElement

winmm

sndPlaySoundA
mciSendStringA
timeEndPeriod
timeGetDevCaps
timeBeginPeriod
timeGetTime

Sections

.text
Size: 197KB - Virtual size: 200KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

61259b55b8912888e90f516ca08dc514

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 26KB - Virtual size: 25KB

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

.data Size: 1KB - Virtual size: 128KB

.ndata Size: - Virtual size: 64KB

.rsrc Size: 138KB - Virtual size: 138KB

Headers

File Characteristics

Exports

Exports

Sections

Size: 31KB - Virtual size: 68KB

Size: 2KB - Virtual size: 1KB

e3236e8b8108636c2974d71b8c00bf88

Headers

File Characteristics

Imports

kernel32

winmm

Exports

Exports

Sections

.text Size: 150KB - Virtual size: 149KB

.rdata Size: 82KB - Virtual size: 81KB

.data Size: 4KB - Virtual size: 7KB

.reloc Size: 8KB - Virtual size: 8KB

61baf0ac33a569be37eaea52c317de1e

Headers

File Characteristics

Imports

comctl32

msimg32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

winmm

Sections

.text Size: 197KB - Virtual size: 200KB

.rdata Size: 34KB - Virtual size: 36KB

.data Size: 5KB - Virtual size: 16KB

.rsrc Size: 1024B - Virtual size: 4KB

.text
Size: 26KB - Virtual size: 25KB

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

.data
Size: 1KB - Virtual size: 128KB

.ndata
Size: - Virtual size: 64KB

.rsrc
Size: 138KB - Virtual size: 138KB

.text
Size: 150KB - Virtual size: 149KB

.rdata
Size: 82KB - Virtual size: 81KB

.data
Size: 4KB - Virtual size: 7KB

.reloc
Size: 8KB - Virtual size: 8KB

.text
Size: 197KB - Virtual size: 200KB

.rdata
Size: 34KB - Virtual size: 36KB

.data
Size: 5KB - Virtual size: 16KB

.rsrc
Size: 1024B - Virtual size: 4KB