AppInstall_4[.]12[.]67[.]0[.]exe

Sharing

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General

Target

AppInstall_4.12.67.0.exe
Size

209.8MB
MD5

69319c3dc285b37a4d9381eccb128083
SHA1

9b8852051d31d489c98ec9b9120e550d27fa6826
SHA256

7e044eda0078b872100774eac17842770f0a0086e26d181ec5b05c3c99fde53d
SHA512

32c81142dce90637ebc265e7a7a02daab6cbf4aec77d254eb467a785372a4cfe0cff9cea7541c9331da7c87cd96026c598d8bdae275076d0584045211ae5217d
SSDEEP

6291456:D3ZGqkr83MrdasbK2wPnWUPXDUAR90WrLyPI75w3pW:D3D+RasWFxPXDvIQLyPigW

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
AppInstall_4.12.67.0.exe
unpack001/$PLUGINSDIR/INetC.dll

Files

AppInstall_4.12.67.0.exe
.exe windows:4 windows x86 arch:x86

f4639a0b3116c2cfc71144b88a929cfd

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

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

shell32

SHGetPathFromIDListW
SHBrowseForFolderW
SHGetFileInfoW
SHFileOperationW
ShellExecuteExW

ole32

CoCreateInstance
OleUninitialize
OleInitialize
IIDFromString
CoTaskMemFree

comctl32

ImageList_Destroy
ord17
ImageList_AddMasked
ImageList_Create

user32

MessageBoxIndirectW
GetDlgItemTextW
SetDlgItemTextW
CreatePopupMenu
AppendMenuW
TrackPopupMenu
OpenClipboard
EmptyClipboard
SetClipboardData
CloseClipboard
IsWindowVisible
CallWindowProcW
GetMessagePos
CheckDlgButton
LoadCursorW
SetCursor
GetSysColor
SetWindowPos
GetWindowLongW
IsWindowEnabled
SetClassLongW
GetSystemMenu
EnableMenuItem
GetWindowRect
ScreenToClient
EndDialog
RegisterClassW
SystemParametersInfoW
CharPrevW
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
GetClientRect
FillRect
DrawTextW
EndPaint
CharNextA
wsprintfA
DispatchMessageW
CreateWindowExW
PeekMessageW
GetSystemMetrics

gdi32

GetDeviceCaps
SetBkColor
SelectObject
DeleteObject
CreateBrushIndirect
CreateFontIndirectW
SetBkMode
SetTextColor

kernel32

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

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 170KB

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: 18KB - Virtual size: 17KB

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

163fdad7b5f915e3a0ca7ad1d08b4ff8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

lstrcpyW
CreateThread
LocalAlloc
lstrcpynW
SleepEx
MulDiv
GetModuleHandleW
GetTickCount
ReadFile
CreateFileA
CreateFileW
GetFileSize
lstrcmpiW
lstrcatW
LoadLibraryA
lstrcmpW
lstrlenA
MultiByteToWideChar
WriteFile
lstrlenW
CloseHandle
GetLastError
DeleteFileW
GetProcAddress
WideCharToMultiByte
LocalFree
TerminateThread
GlobalAlloc
GlobalFree
SetFilePointer
WaitForSingleObject

user32

wsprintfA
FindWindowExW
GetWindowLongW
IsWindow
CreateDialogParamW
ShowWindow
GetParent
DispatchMessageW
LoadIconW
KillTimer
PostMessageW
IsDialogMessageW
SetWindowPos
SetWindowTextW
GetMessageW
SendDlgItemMessageW
TranslateMessage
EnableWindow
RedrawWindow
UpdateWindow
GetWindowRect
SendMessageW
SetTimer
SetWindowLongW
wsprintfW
SetDlgItemTextW
GetDlgItem
IsWindowVisible
MessageBoxW
GetClientRect
DestroyWindow
SystemParametersInfoW
GetWindowTextW

comctl32

ord17

wininet

HttpSendRequestExW
InternetErrorDlg
InternetWriteFile
HttpSendRequestW
InternetSetFilePointer
HttpAddRequestHeadersA
FtpCreateDirectoryW
InternetCrackUrlW
FtpOpenFileW
InternetSetOptionW
InternetOpenW
InternetGetLastResponseInfoW
HttpEndRequestW
InternetReadFile
HttpAddRequestHeadersW
HttpQueryInfoW
InternetCloseHandle
InternetConnectW
InternetQueryOptionW
HttpOpenRequestW

Exports

Exports

get
head
post
put

Sections

.text
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
dotnet-sdk-8.0.401-win-x64.exe
.exe windows:6 windows x86 arch:x86

e277f1464e7729ad9df5ec047611738a

Code Sign

33:00:00:03:d3:76:69:dc:80:ec:01:a2:43:00:00:00:00:03:d3
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

22/02/2024, 20:25

Not After

19/02/2025, 20:25

Subject

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

8d:39:6b:09:82:87:3b:67:01:fb:09:34:96:95:3e:4a:4c:d8:ca:e5:6c:56:cd:2d:b1:b2:07:32:dd:99:2b:e6
Signer

Actual PE Digest

8d:39:6b:09:82:87:3b:67:01:fb:09:34:96:95:3e:4a:4c:d8:ca:e5:6c:56:cd:2d:b1:b2:07:32:dd:99:2b:e6

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP

PDB Paths

C:\agent\_work\36\s\wix\build\ship\x86\burn.pdb

Imports

advapi32

RegCloseKey
RegOpenKeyExW
RegCreateKeyExW
RegDeleteKeyW
RegDeleteValueW
RegEnumKeyExW
RegEnumValueW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueW
InitiateSystemShutdownExW
GetUserNameW
CloseEventLog
OpenEventLogW
ReportEventW
ConvertStringSecurityDescriptorToSecurityDescriptorW
CreateWellKnownSid
InitializeAcl
DecryptFileW
SetEntriesInAclW
ChangeServiceConfigW
CloseServiceHandle
ControlService
OpenSCManagerW
OpenServiceW
QueryServiceStatus
SetNamedSecurityInfoW
CheckTokenMembership
AllocateAndInitializeSid
SetEntriesInAclA
SetSecurityDescriptorOwner
SetSecurityDescriptorGroup
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetTokenInformation
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextW
QueryServiceConfigW

user32

PeekMessageW
PostMessageW
IsWindow
WaitForInputIdle
PostQuitMessage
GetMessageW
TranslateMessage
MsgWaitForMultipleObjects
PostThreadMessageW
GetMonitorInfoW
MonitorFromPoint
IsDialogMessageW
LoadCursorW
LoadBitmapW
SetWindowLongW
GetWindowLongW
GetCursorPos
MessageBoxW
CreateWindowExW
UnregisterClassW
RegisterClassW
DefWindowProcW
DispatchMessageW

oleaut32

VariantInit
SysAllocString
VariantClear
SysFreeString

gdi32

DeleteDC
DeleteObject
SelectObject
StretchBlt
GetObjectW
CreateCompatibleDC

shell32

CommandLineToArgvW
SHGetFolderPathW
ShellExecuteExW

ole32

CoUninitialize
CoInitializeEx
CoInitialize
StringFromGUID2
CoCreateInstance
CoTaskMemFree
CoInitializeSecurity
CLSIDFromProgID

kernel32

GetFileType
GetStdHandle
EncodePointer
InitializeCriticalSectionAndSpinCount
SetLastError
RtlUnwind
CreateFileW
CloseHandle
ExitProcess
CreateFileA
SetFilePointer
WriteFile
GetLastError
GetCurrentProcessId
GetSystemDirectoryW
LoadLibraryW
lstrlenA
HeapSetInformation
GetModuleHandleW
GetProcAddress
LocalFree
SetCurrentDirectoryW
GetCurrentDirectoryW
CreateDirectoryW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetFileAttributesW
GetTempFileNameW
RemoveDirectoryW
SetFileAttributesW
GetTempPathW
MoveFileExW
FormatMessageW
lstrlenW
MultiByteToWideChar
IsValidCodePage
LCMapStringW
ExpandEnvironmentStringsW
GetFileSizeEx
GetFullPathNameW
ReadFile
SetFilePointerEx
SetFileTime
Sleep
GlobalAlloc
GlobalFree
CopyFileW
GetLocalTime
GetModuleFileNameW
CompareStringW
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
FreeLibrary
InitializeCriticalSection
DeleteCriticalSection
ReleaseMutex
GetCurrentProcess
FindFirstFileExW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateProcessW
GetVersionExW
VerSetConditionMask
GetVolumePathNameW
EnterCriticalSection
LeaveCriticalSection
GetSystemTime
GetWindowsDirectoryW
GetNativeSystemInfo
GetSystemWow64DirectoryW
GetModuleHandleExW
GetComputerNameW
VerifyVersionInfoW
GetDateFormatW
GetUserDefaultUILanguage
GetUserDefaultLangID
GetSystemDefaultLangID
GetStringTypeW
DuplicateHandle
LoadLibraryExW
CreateEventW
ProcessIdToSessionId
ConnectNamedPipe
SetNamedPipeHandleState
CreateNamedPipeW
WaitForSingleObject
GetProcessId
OpenProcess
CreateThread
GetExitCodeThread
SetEvent
WaitForMultipleObjects
LocalFileTimeToFileTime
SetEndOfFile
ResetEvent
DosDateTimeToFileTime
CompareStringA
GetExitCodeProcess
SetThreadExecutionState
CopyFileExW
CreateMutexW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetThreadLocale
GetStartupInfoW
IsDebuggerPresent
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
DecodePointer
WriteConsoleW
GetModuleHandleA
VirtualAlloc
VirtualFree
SystemTimeToTzSpecificLocalTime
SystemTimeToFileTime
GetCurrentThreadId
WideCharToMultiByte
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
LoadLibraryExA
VirtualQuery
VirtualProtect
GetSystemInfo
RaiseException
GetTimeZoneInformation

rpcrt4

UuidCreate

Sections

.text
Size: 307KB - Virtual size: 306KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 126KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.wixburn
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f4639a0b3116c2cfc71144b88a929cfd

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

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

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

.data Size: 1KB - Virtual size: 170KB

.ndata Size: - Virtual size: 88KB

.rsrc Size: 18KB - Virtual size: 17KB

163fdad7b5f915e3a0ca7ad1d08b4ff8

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

comctl32

wininet

Exports

Exports

Sections

.text Size: 16KB - Virtual size: 15KB

.data Size: 3KB - Virtual size: 21KB

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

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

e277f1464e7729ad9df5ec047611738a

Code Sign

33:00:00:03:d3:76:69:dc:80:ec:01:a2:43:00:00:00:00:03:d3Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

8d:39:6b:09:82:87:3b:67:01:fb:09:34:96:95:3e:4a:4c:d8:ca:e5:6c:56:cd:2d:b1:b2:07:32:dd:99:2b:e6Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

user32

oleaut32

gdi32

shell32

ole32

kernel32

rpcrt4

Sections

.text Size: 307KB - Virtual size: 306KB

.rdata Size: 126KB - Virtual size: 125KB

.data Size: 3KB - Virtual size: 6KB

.wixburn Size: 512B - Virtual size: 56B

.rsrc Size: 15KB - Virtual size: 14KB

.reloc Size: 16KB - Virtual size: 15KB

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

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

.data
Size: 1KB - Virtual size: 170KB

.ndata
Size: - Virtual size: 88KB

.rsrc
Size: 18KB - Virtual size: 17KB

.text
Size: 16KB - Virtual size: 15KB

.data
Size: 3KB - Virtual size: 21KB

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

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

33:00:00:03:d3:76:69:dc:80:ec:01:a2:43:00:00:00:00:03:d3
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

8d:39:6b:09:82:87:3b:67:01:fb:09:34:96:95:3e:4a:4c:d8:ca:e5:6c:56:cd:2d:b1:b2:07:32:dd:99:2b:e6
Signer

.text
Size: 307KB - Virtual size: 306KB

.rdata
Size: 126KB - Virtual size: 125KB

.data
Size: 3KB - Virtual size: 6KB

.wixburn
Size: 512B - Virtual size: 56B

.rsrc
Size: 15KB - Virtual size: 14KB

.reloc
Size: 16KB - Virtual size: 15KB