KernelEx-4[.]5[.]2[.]exe

Resubmissions

29/06/2024, 02:42

240629-c62erasdrl 7

29/06/2024, 02:20

240629-csptssyfjb 10

Sharing

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General

Target

KernelEx-4.5.2.exe
Size

223KB
MD5

e5f833acc4a69085e86097a1f2346e92
SHA1

80e9342f1ae1a0ada5f07b6b92080d8d56617492
SHA256

b4d4e6475ecf5e3099c0807ba85340a07dabdf9ac0d77b9f03fa5c37312c321b
SHA512

b5feff9738e0ff69089fdd6effcd8e0c938bcc864c8fcc7254fb9291b9ae05f96d6c57c9b219b29db054657c083cf49aa88ca6d66d79c7070ce839e02143cace
SSDEEP

6144:AlHik2dfTGAmuvgX+K4wk+gZ1mUbPk/ZD1e:k4iAxvguKpzgjRs/Zhe

Score

3^/10

Malware Config

Signatures

Unsigned PE 7 IoCs

Checks for missing Authenticode signature.

resource
KernelEx-4.5.2.exe
unpack001/$0
unpack001/$PLUGINSDIR/Banner.dll
unpack001/$PLUGINSDIR/NSISdl.dll
unpack001/$PLUGINSDIR/StartMenu.dll
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

KernelEx-4.5.2.exe
.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: 84KB

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
$0
.dll windows:4 windows x86 arch:x86

0368bce84201f58afaed2fd089200f71

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

DeviceIoControl
CreateFileA
SetLastError
HeapCreate
GetProcessHeap
GetVersion
GetFileAttributesA
DisableThreadLibraryCalls
GetModuleFileNameA
HeapAlloc
HeapFree
GetFileSize
CloseHandle
InterlockedIncrement
InterlockedExchange
InitializeCriticalSection
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
ExpandEnvironmentStringsA
HeapDestroy
HeapReAlloc
ord97
ord98
GetModuleHandleA
GetSystemDirectoryA
LoadLibraryA
GetProcAddress
FreeLibrary
GetPrivateProfileSectionA
GetPrivateProfileIntA
ReadFile
GetPrivateProfileStringA
MakeCriticalSectionGlobal

user32

LoadStringA
MessageBoxA
GetSystemMetrics

advapi32

RegSetValueExA
RegOpenKeyA
RegEnumKeyA
RegOpenKeyExA
RegQueryValueExA
RegCloseKey
RegDeleteValueA
RegEnumValueA

Exports

Exports

_MprStart@4
kexAreExtensionsEnabled
kexDebugPrint
kexFlushAppSettings
kexGetCoreCaps
kexGetK32Lock
kexGetKEXVersion
kexGetModuleSettings
kexGetProcAddress
kexGetVersion
kexOpenThread
kexPsAllocIndex
kexPsGetValue
kexPsSetValue
kexResetModuleSettings
kexSetModuleSettings

Sections

.text
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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/Banner.dll
.dll windows:4 windows x86 arch:x86

7a3709b093081d5614be1eaa2fe7fe76

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
CloseHandle
Sleep
CreateThread
GetCurrentThreadId
GlobalFree
lstrcpyA
lstrcpynA
GlobalAlloc

user32

DestroyWindow
SetWindowLongA
GetWindowLongA
SetWindowTextA
SetDlgItemTextA
DispatchMessageA
PeekMessageA
WaitMessage
IsWindow
CreateDialogParamA
ShowWindow
AttachThreadInput
IsWindowVisible
wsprintfA
PostMessageA

Exports

Exports

destroy
getWindow
show

Sections

.text
Size: 1024B - Virtual size: 862B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 224B

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

9cce555dd3ff1b6c7dc92d64c794c51a

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

WaitForSingleObject
lstrcpynA
lstrlenA
lstrcatA
GlobalAlloc
GlobalFree
CloseHandle
GetTickCount
DeleteFileA
Sleep
WriteFile
CreateFileA
lstrcmpiA
lstrcpyA
MulDiv
CreateThread

user32

CharPrevA
SetWindowLongA
RegisterWindowMessageA
CallWindowProcA
DestroyWindow
EnableWindow
GetWindowLongA
CreateWindowExA
GetWindowRect
GetClientRect
ShowWindow
IsWindowVisible
GetFocus
GetDlgItem
FindWindowExA
SetWindowTextA
SendMessageA
wsprintfA
SetDlgItemTextA

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey

ws2_32

gethostbyname
inet_addr
ioctlsocket
htons
socket
closesocket
shutdown
connect
__WSAFDIsSet
select
recv
WSAGetLastError
send
WSACleanup
WSAStartup

Exports

Exports

download
download_quiet

Sections

.text
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 836B

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

a648aeaa164b592c1e8892a10400b5ae

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
lstrcatA
FindClose
FindNextFileA
MulDiv
GlobalFree
lstrcpynA
GlobalAlloc
lstrcmpiA
FindFirstFileA
lstrcpyA

user32

TranslateMessage
GetMessageA
IsDialogMessageA
PostMessageA
DispatchMessageA
GetWindowLongA
CheckDlgButton
ShowWindow
LoadIconA
GetClientRect
MoveWindow
ScreenToClient
GetWindowRect
ReleaseDC
GetDC
EnableWindow
SetWindowTextA
SendMessageA
IsDlgButtonChecked
GetWindowTextA
DestroyWindow
GetDlgItem
CreateDialogParamA
SetWindowLongA
wsprintfA
CallWindowProcA

gdi32

GetTextMetricsA
SelectObject

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA

ole32

CoTaskMemFree

Exports

Exports

Init
Select
Show

Sections

.text
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 296B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 518B

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-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

Resubmissions

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: 84KB

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

0368bce84201f58afaed2fd089200f71

Headers

File Characteristics

Imports

kernel32

user32

advapi32

Exports

Exports

Sections

.text Size: 31KB - Virtual size: 31KB

.rdata Size: 3KB - Virtual size: 3KB

.data Size: 512B - Virtual size: 1KB

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

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

7a3709b093081d5614be1eaa2fe7fe76

Headers

File Characteristics

Imports

kernel32

user32

Exports

Exports

Sections

.text Size: 1024B - Virtual size: 862B

.rdata Size: 1024B - Virtual size: 792B

.data Size: 512B - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 224B

9cce555dd3ff1b6c7dc92d64c794c51a

Headers

File Characteristics

Imports

kernel32

user32

advapi32

ws2_32

Exports

Exports

Sections

.text Size: 9KB - Virtual size: 9KB

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

.data Size: 1KB - Virtual size: 25KB

.reloc Size: 1024B - Virtual size: 836B

a648aeaa164b592c1e8892a10400b5ae

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

ole32

Exports

Exports

Sections

.text Size: 3KB - Virtual size: 2KB

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

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

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

.ndata
Size: - Virtual size: 84KB

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

.text
Size: 31KB - Virtual size: 31KB

.rdata
Size: 3KB - Virtual size: 3KB

.data
Size: 512B - Virtual size: 1KB

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

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

.text
Size: 1024B - Virtual size: 862B

.rdata
Size: 1024B - Virtual size: 792B

.data
Size: 512B - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 224B

.text
Size: 9KB - Virtual size: 9KB

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

.data
Size: 1KB - Virtual size: 25KB

.reloc
Size: 1024B - Virtual size: 836B

.text
Size: 3KB - Virtual size: 2KB

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

.data
Size: 512B - Virtual size: 5KB

.rsrc
Size: 512B - Virtual size: 296B

.reloc
Size: 1024B - Virtual size: 518B

.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