D16_RSA_KeyGen[.]exe

Resubmissions

28/06/2024, 23:51

240628-3wa3xsydrj 7

28/06/2024, 23:50

240628-3vygtsydqm 7

28/06/2024, 14:14

240628-rkdtwstend 7

Sharing

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General

Target

D16_RSA_KeyGen.exe
Size

520KB
MD5

378285ea7ab4da84fd0bbbc700df3a0f
SHA1

e5ca477cc26944ba8ac790570db096112d3262f5
SHA256

9e325fb0a0f6e1b35922c4ae07865d26bd6ba4e61cbd997bf7ce04bdc5f10d44
SHA512

ce5c926cc8b1d0249ca7f23e738c7baf4e4770cc1b7fb3d768606ccb8c80e404a8902bfc7d88a2682527877c2fa96165435abb16f2de0b477086a01e68b57206
SSDEEP

6144:iay2nA8P9tlASRzKW3k52lKXvBxkhqWmrH/BGGTDXUUfubossXDEGXnpADNCocMS:sc9t2SllU2ovBCo7siDZWbCj3wcKpWf

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

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

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

57e98d9a5a72c8d7ad8fb7a6a58b3daf

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

kernel32

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA

advapi32

AdjustTokenPrivileges
RegCreateKeyExA
RegOpenKeyExA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
RegEnumValueA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 24KB - Virtual size: 24KB

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: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 32KB

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

17d1431e0dbaa479817d5be2afcc1e43

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

EnterCriticalSection
GetCurrentProcess
WriteFile
TerminateProcess
LeaveCriticalSection
FindClose
GetLocaleInfoW
CreateFileW
GetCurrentThreadId
CreateEventW
GetLastError
SetEvent
QueryPerformanceFrequency
CloseHandle
LoadLibraryW
ResetEvent
GetProcAddress
DeleteCriticalSection
ExitProcess
FreeLibrary
QueryPerformanceCounter
IsDebuggerPresent
SetUnhandledExceptionFilter
FlushFileBuffers
WriteConsoleW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
GetProcessHeap
GetFileType
GetStdHandle
GetACP
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetModuleFileNameA
HeapFree
HeapReAlloc
HeapAlloc
GetModuleHandleExW
GetTimeZoneInformation
InterlockedFlushSList
LoadLibraryExW
RaiseException
RtlUnwind
InitializeSListHead
GetCurrentProcessId
IsProcessorFeaturePresent
GetStartupInfoW
UnhandledExceptionFilter
WaitForSingleObjectEx
GetCPInfo
GetStringTypeW
LCMapStringW
CompareStringW
GetModuleHandleW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
SetLastError
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte

winmm

timeBeginPeriod

Exports

Exports

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

Sections

.text
Size: 173KB - Virtual size: 172KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 103KB - Virtual size: 103KB

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

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 10KB

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

9afd408c16ad749aaf647af5f1acf3a7

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

kernel32

MultiByteToWideChar
SetEndOfFile
InterlockedExchange
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
QueryPerformanceCounter
IsBadCodePtr
IsBadReadPtr
GetStringTypeW
GetStringTypeA
GetLocaleInfoA
CreateFileA
FlushFileBuffers
SetStdHandle
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
UnhandledExceptionFilter
VirtualQuery
VirtualProtect
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
GetLastError
GetFullPathNameA
GetCurrentDirectoryA
GetDriveTypeA
HeapReAlloc
RtlUnwind
RaiseException
HeapFree
GetLocalTime
FindFirstFileA
FindNextFileA
FindClose
DeleteFileA
GetShortPathNameA
GlobalLock
GlobalUnlock
MulDiv
GlobalAlloc
GlobalFree
GetCommandLineA
GetSystemInfo
GlobalMemoryStatus
GetVersion
GetComputerNameA
GetWindowsDirectoryA
GetSystemDirectoryA
WinExec
GetProcAddress
LoadLibraryA
FreeLibrary
WideCharToMultiByte
Sleep
HeapAlloc
GetModuleFileNameA
GetTickCount

user32

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

gdi32

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

comdlg32

GetOpenFileNameA
ChooseColorA
GetSaveFileNameA

advapi32

GetUserNameA

shell32

ShellExecuteA
ShellExecuteExA
SHGetSpecialFolderPathA

ole32

CreateStreamOnHGlobal

oleaut32

OleLoadPicture

winmm

sndPlaySoundA
mciSendStringA
timeEndPeriod
timeGetDevCaps
timeGetTime
timeBeginPeriod

Sections

.text
Size: 135KB - Virtual size: 136KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 4KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Resubmissions

Sharing

General

Malware Config

Signatures

Files

57e98d9a5a72c8d7ad8fb7a6a58b3daf

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 24KB - Virtual size: 24KB

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

.data Size: 1024B - Virtual size: 106KB

.ndata Size: - Virtual size: 32KB

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

Headers

File Characteristics

Exports

Exports

Sections

Size: 31KB - Virtual size: 68KB

Size: 2KB - Virtual size: 1KB

17d1431e0dbaa479817d5be2afcc1e43

Headers

File Characteristics

Imports

kernel32

winmm

Exports

Exports

Sections

.text Size: 173KB - Virtual size: 172KB

.rdata Size: 103KB - Virtual size: 103KB

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

.tls Size: 512B - Virtual size: 9B

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

.reloc Size: 11KB - Virtual size: 10KB

9afd408c16ad749aaf647af5f1acf3a7

Headers

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

winmm

Sections

.text Size: 135KB - Virtual size: 136KB

.rdata Size: 26KB - Virtual size: 28KB

.data Size: 4KB - Virtual size: 16KB

.text
Size: 24KB - Virtual size: 24KB

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

.data
Size: 1024B - Virtual size: 106KB

.ndata
Size: - Virtual size: 32KB

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

.text
Size: 173KB - Virtual size: 172KB

.rdata
Size: 103KB - Virtual size: 103KB

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

.tls
Size: 512B - Virtual size: 9B

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

.reloc
Size: 11KB - Virtual size: 10KB

.text
Size: 135KB - Virtual size: 136KB

.rdata
Size: 26KB - Virtual size: 28KB

.data
Size: 4KB - Virtual size: 16KB