Valvsteam[.]exe

Sharing

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General

Target

Valvsteam.exe
Size

2.5MB
MD5

c8e1f6d2bc2ed3bf86569a530b1b761a
SHA1

15ab1f6f319ad68922ebb0f39491bb806cee1160
SHA256

2818c4cbba444f3c288eb543b62a2f3f20fdd29b0df5f36cdf3ed14c4ffeda11
SHA512

796cbd3bba6bce76675ec93d4725d946cca30a341185643e99300ec15906eb5d60754784bd37726bc01e36382e598e7989481859dd64d6878acf5615e17df588
SSDEEP

49152:TKzPC1y3ko0F/biTvBH+8FpAaDFVbomPdS/qu0YNtwV:oTTvxAazo/3nNtwV

Score

1^/10

Malware Config

Signatures

Files

Valvsteam.exe
.exe windows:6 windows x64

40598304aad3c01446bfa4ed562af029

Code Sign

04:00:00:00:00:01:21:58:53:08:a2
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

18/03/2009, 10:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

28/07/2020, 00:00

Not After

18/03/2029, 00:00

Subject

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

26:e5:09:e7:14:51:8b:a6:cd:16:d2:6c
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

28/08/2023, 09:02

Not After

28/07/2024, 06:43

Subject

SERIALNUMBER=91510107MAC3AXCB2D,CN=Zhiya Yunke (Chengdu) Finance and Tax Service Co.\, Ltd.,O=Zhiya Yunke (Chengdu) Finance and Tax Service Co.\, Ltd.,STREET=武侯区武科西一路96号2号楼606号,L=Chengdu,ST=Sichuan,C=CN,1.3.6.1.4.1.311.60.2.1.1=#13074368656e676475,1.3.6.1.4.1.311.60.2.1.2=#13075369636875616e,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

b9:e7:a1:40:34:90:92:f4:d8:87:61:7b:b7:86:16:1b:15:69:fb:2c:44:0f:bc:53:f1:c4:ab:52:fe:63:c3:1b
Signer

Actual PE Digest

b9:e7:a1:40:34:90:92:f4:d8:87:61:7b:b7:86:16:1b:15:69:fb:2c:44:0f:bc:53:f1:c4:ab:52:fe:63:c3:1b

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

GetFullPathNameW
GetVolumeInformationW
LockFile
ReadFile
SetEndOfFile
SetFilePointer
UnlockFile
WriteFile
DuplicateHandle
GetCurrentProcess
LoadLibraryExW
lstrcmpiW
EncodePointer
GetSystemDirectoryW
GlobalDeleteAtom
GlobalFindAtomW
GetVersionExW
FileTimeToLocalFileTime
GlobalAddAtomW
GetFileAttributesExW
GetFileSizeEx
GetFileTime
SystemTimeToTzSpecificLocalTime
GetLocaleInfoW
GetUserDefaultUILanguage
VirtualProtect
GetCurrentDirectoryW
lstrcpyW
FindResourceExW
GetWindowsDirectoryW
VerSetConditionMask
VerifyVersionInfoW
GetTempPathW
GetTickCount64
GetProfileIntW
SearchPathW
GetTempFileNameW
GetUserDefaultLCID
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
LCMapStringEx
GetStringTypeW
GetCPInfo
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
ExitProcess
CreateProcessW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
HeapQueryInformation
CreateThread
ExitThread
FreeLibraryAndExitThread
GetCommandLineA
GetCommandLineW
GetSystemInfo
FlushFileBuffers
VirtualQuery
QueryPerformanceFrequency
SetStdHandle
GetStdHandle
SetFilePointerEx
GetExitCodeProcess
CreatePipe
GetConsoleOutputCP
GetConsoleMode
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
IsValidLocale
EnumSystemLocalesW
ReadConsoleW
GetTimeZoneInformation
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
WriteConsoleW
ResumeThread
SetThreadPriority
GetCurrentThreadId
WaitForSingleObject
GlobalFlags
FreeLibrary
CompareStringW
GetProcAddress
GetModuleHandleW
GetCurrentProcessId
LocalReAlloc
LocalAlloc
GlobalHandle
GlobalReAlloc
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSection
FileTimeToSystemTime
GlobalGetAtomNameW
lstrcmpA
QueryActCtxW
FindActCtxSectionStringW
DeactivateActCtx
ActivateActCtx
CreateActCtxW
LoadLibraryW
GetModuleHandleExW
GetModuleFileNameW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
DecodePointer
OutputDebugStringA
CopyFileW
FormatMessageW
MulDiv
LocalFree
GlobalFree
GlobalLock
GlobalUnlock
GlobalSize
GlobalAlloc
SetLastError
WideCharToMultiByte
MultiByteToWideChar
GetFileSize
FindFirstFileW
FindClose
VirtualAlloc
CreateFileW
lstrcmpW
AllocConsole
GetConsoleWindow
FindResourceW
LoadResource
CloseHandle
Process32FirstW
DeleteFileW
LockResource
Process32NextW
GetLastError
Sleep
CreateToolhelp32Snapshot
SetFileAttributesW
OpenProcess
InitializeCriticalSectionEx
CreateMutexW
TerminateProcess
SizeofResource
GetFileAttributesW
CreateDirectoryW
RtlUnwind

user32

IsRectEmpty
DrawIconEx
GetIconInfo
MessageBeep
EnableScrollBar
HideCaret
InvertRect
NotifyWinEvent
CreatePopupMenu
GetMenuDefaultItem
MapVirtualKeyW
GetKeyNameTextW
LoadMenuW
SetLayeredWindowAttributes
EnumDisplayMonitors
OpenClipboard
CloseClipboard
SetClipboardData
EmptyClipboard
DrawStateW
SetClassLongPtrW
SetWindowRgn
SetParent
DrawEdge
DrawFrameControl
IsZoomed
GetSystemMenu
BringWindowToTop
SetCursorPos
CopyIcon
FrameRect
DrawIcon
UnionRect
UpdateLayeredWindow
MonitorFromPoint
LoadAcceleratorsW
TranslateAcceleratorW
InsertMenuItemW
UnpackDDElParam
ReuseDDElParam
GetComboBoxInfo
PostThreadMessageW
WaitMessage
GetKeyboardLayout
IsCharLowerW
MapVirtualKeyExW
ToUnicodeEx
GetKeyboardState
CreateAcceleratorTableW
DestroyAcceleratorTable
CopyAcceleratorTableW
SetRect
LockWindowUpdate
SetMenuDefaultItem
GetDoubleClickTime
ModifyMenuW
RegisterClipboardFormatW
CharUpperBuffW
IsClipboardFormatAvailable
GetUpdateRect
DrawMenuBar
DefFrameProcW
DefMDIChildProcW
TranslateMDISysAccel
SubtractRect
CreateMenu
GetWindowRgn
DestroyCursor
IsMenu
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
KillTimer
DefWindowProcW
PostMessageW
GetMessageTime
GetMessagePos
RegisterWindowMessageW
FillRect
ScreenToClient
EndPaint
BeginPaint
GetWindowDC
TabbedTextOutW
GrayStringW
DrawTextExW
DrawTextW
CharUpperW
DestroyIcon
CallNextHookEx
SetWindowsHookExW
GetCursorPos
ValidateRect
GetKeyState
GetActiveWindow
WindowFromPoint
PeekMessageW
DispatchMessageW
TranslateMessage
GetMessageW
RealChildWindowFromPoint
GetClassNameW
GetDesktopWindow
PtInRect
ClientToScreen
GetWindowRect
IsDialogMessageW
SetWindowLongW
SetWindowTextW
GetFocus
GetDlgCtrlID
CheckDlgButton
GetDlgItem
SetWindowPos
MoveWindow
IsWindow
GetWindow
GetScrollPos
SetScrollPos
SetFocus
LoadCursorW
GetSysColorBrush
GetSysColor
ReleaseDC
GetDC
GetSystemMetrics
GetLastActivePopup
GetWindowThreadProcessId
GetParent
GetWindowLongW
IsWindowEnabled
EnableWindow
SendMessageW
UnhookWindowsHookEx
GetWindowTextLengthW
GetWindowTextW
RemoveMenu
AppendMenuW
InsertMenuW
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuState
GetMenuStringW
SetTimer
DeleteMenu
SetCursor
ShowOwnedPopups
MapDialogRect
GetAsyncKeyState
GetNextDlgTabItem
EndDialog
CreateDialogIndirectParamW
OffsetRect
SetRectEmpty
SendDlgItemMessageA
CopyImage
SystemParametersInfoW
GetMenuItemInfoW
DestroyMenu
IntersectRect
InflateRect
PostQuitMessage
LoadBitmapW
SetMenuItemInfoW
GetMenuCheckMarkDimensions
SetMenuItemBitmaps
EnableMenuItem
CheckMenuItem
GetMonitorInfoW
MonitorFromWindow
WinHelpW
GetScrollInfo
IsChild
LoadIconW
GetTopWindow
GetClassLongPtrW
SetWindowLongPtrW
GetWindowLongPtrW
EqualRect
CopyRect
MapWindowPoints
AdjustWindowRectEx
GetClientRect
RemovePropW
GetPropW
SetPropW
ShowScrollBar
GetScrollRange
SetScrollRange
ScrollWindow
DrawFocusRect
ReleaseCapture
SetCapture
GetNextDlgGroupItem
LoadImageW
TrackMouseEvent
IsWindowVisible
RedrawWindow
SetForegroundWindow
GetForegroundWindow
SetActiveWindow
UpdateWindow
TrackPopupMenu
SetMenu
InvalidateRect
GetMenu
GetCapture
IsIconic
EndDeferWindowPos
MessageBoxW
ShowWindow
DeferWindowPos
BeginDeferWindowPos
SetWindowPlacement
GetWindowPlacement
CallWindowProcW
DestroyWindow
SetScrollInfo

advapi32

RegDeleteKeyW
RegDeleteValueW
RegEnumKeyExW
RegCloseKey
RegOpenKeyExW
GetUserNameW
RegQueryValueExW
RegSetValueExW
RegCreateKeyExW

shell32

SHAppBarMessage
SHBrowseForFolderW
DragFinish
DragQueryFileW
SHGetSpecialFolderPathW
SHGetKnownFolderPath
ShellExecuteW
SHGetDesktopFolder
SHGetFileInfoW
SHGetSpecialFolderLocation
SHGetPathFromIDListW

msimg32

AlphaBlend
TransparentBlt

shlwapi

PathIsUNCW
PathStripToRootW
PathFindExtensionW
PathRemoveFileSpecW
StrFormatKBSizeW
PathFindFileNameW

uxtheme

IsAppThemed
DrawThemeParentBackground
OpenThemeData
CloseThemeData
DrawThemeText
GetThemeColor
GetThemePartSize
GetThemeSysColor
IsThemeBackgroundPartiallyTransparent
GetCurrentThemeName
GetWindowTheme
DrawThemeBackground

gdiplus

GdipSetInterpolationMode
GdipCreateFromHDC
GdipCreateBitmapFromHBITMAP
GdipDrawImageI
GdipDeleteGraphics
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipGetImagePaletteSize
GdipGetImagePalette
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdiplusShutdown
GdipDrawImageRectI

oleacc

LresultFromObject
AccessibleObjectFromWindow
CreateStdAccessibleObject

imm32

ImmReleaseContext
ImmGetOpenStatus
ImmGetContext

winmm

PlaySoundW

gdi32

ExcludeClipRect
GetObjectType
GetPixel
Escape
CreateSolidBrush
CreateRectRgn
CreatePatternBrush
CreatePen
CreateHatchBrush
CreateCompatibleDC
GetClipBox
CreateBitmap
BitBlt
DeleteObject
DeleteDC
GetDeviceCaps
CopyMetaFileW
GetStockObject
GetTextFaceW
GetViewportOrgEx
GetWindowOrgEx
SetPixelV
SetPaletteEntries
ExtFloodFill
PtInRegion
GetBoundsRect
FrameRgn
FillRgn
RoundRect
OffsetRgn
GetRgnBox
Rectangle
LPtoDP
CreateRoundRectRgn
Polyline
Polygon
CreatePolygonRgn
GetTextColor
Ellipse
CreateEllipticRgn
SetDIBColorTable
CreateDIBSection
StretchBlt
SetPixel
GetTextCharsetInfo
EnumFontFamiliesW
CreateDIBitmap
CreateCompatibleBitmap
GetBkColor
GetViewportExtEx
GetWindowExtEx
IntersectClipRect
LineTo
RealizePalette
GetSystemPaletteEntries
GetPaletteEntries
GetNearestPaletteIndex
PtVisible
RectVisible
RestoreDC
SaveDC
SelectClipRgn
ExtSelectClipRgn
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetLayout
GetLayout
SetPolyFillMode
SetROP2
SetTextColor
SetTextAlign
GetObjectW
MoveToEx
TextOutW
ExtTextOutW
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
OffsetViewportOrgEx
OffsetWindowOrgEx
ScaleViewportExtEx
ScaleWindowExtEx
CombineRgn
CreateFontIndirectW
CreateRectRgnIndirect
PatBlt
SetRectRgn
DPtoLP
GetTextExtentPoint32W
GetTextMetricsW
EnumFontFamiliesExW
CreatePalette
CreateDCW

winspool.drv

ClosePrinter
DocumentPropertiesW
OpenPrinterW

ole32

OleTranslateAccelerator
IsAccelerator
CoCreateInstance
OleDestroyMenuDescriptor
OleCreateMenuDescriptor
ReleaseStgMedium
OleDuplicateData
CoTaskMemFree
CoTaskMemAlloc
OleLockRunning
RevokeDragDrop
RegisterDragDrop
CoLockObjectExternal
OleGetClipboard
DoDragDrop
CreateStreamOnHGlobal
CoInitializeEx
CoInitialize
CoUninitialize
CoDisconnectObject

oleaut32

VariantInit
SysAllocString
LoadTypeLi
VarBstrFromDate
SysFreeString
SysAllocStringLen
SysStringLen
SystemTimeToVariantTime
VariantTimeToSystemTime
VariantClear
VariantCopy
VariantChangeType

Sections

.text
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 534KB - Virtual size: 533KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 83KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 48KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 57KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

40598304aad3c01446bfa4ed562af029

Code Sign

04:00:00:00:00:01:21:58:53:08:a2Certificate

Key Usages

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54Certificate

Extended Key Usages

Key Usages

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

26:e5:09:e7:14:51:8b:a6:cd:16:d2:6cCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

b9:e7:a1:40:34:90:92:f4:d8:87:61:7b:b7:86:16:1b:15:69:fb:2c:44:0f:bc:53:f1:c4:ab:52:fe:63:c3:1bSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

msimg32

shlwapi

uxtheme

gdiplus

oleacc

imm32

winmm

gdi32

winspool.drv

ole32

oleaut32

Sections

.text Size: 1.7MB - Virtual size: 1.7MB

.rdata Size: 534KB - Virtual size: 533KB

.data Size: 28KB - Virtual size: 58KB

.pdata Size: 83KB - Virtual size: 83KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 48KB - Virtual size: 48KB

.reloc Size: 57KB - Virtual size: 57KB

04:00:00:00:00:01:21:58:53:08:a2
Certificate

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54
Certificate

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

26:e5:09:e7:14:51:8b:a6:cd:16:d2:6c
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

b9:e7:a1:40:34:90:92:f4:d8:87:61:7b:b7:86:16:1b:15:69:fb:2c:44:0f:bc:53:f1:c4:ab:52:fe:63:c3:1b
Signer

.text
Size: 1.7MB - Virtual size: 1.7MB

.rdata
Size: 534KB - Virtual size: 533KB

.data
Size: 28KB - Virtual size: 58KB

.pdata
Size: 83KB - Virtual size: 83KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 48KB - Virtual size: 48KB

.reloc
Size: 57KB - Virtual size: 57KB