Static task
static1
Behavioral task
behavioral1
Sample
MSWINSCK.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
MSWINSCK.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
YahVox Domination v3.0.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
YahVox Domination v3.0.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
YahVox.exe
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
YahVox.exe
Resource
win10v2004-20231222-en
General
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Target
2d68a13813da04832ca34b79423065c1
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Size
119KB
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MD5
2d68a13813da04832ca34b79423065c1
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SHA1
e6cb2eb067975fef6ccf277a7b0b5cb585381d5f
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SHA256
4fc4dd86e4ad0f052a869138ee7eef68dddf94919d5e14bc67f916b0bc76b90f
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SHA512
5a51172ee6aa761b7f988ff66aa66bb199d4d59ac4027625cb0540b574cdebcf8d65827964c5e5dcaec3823cd0db2ae68706e0de5df00506e7853096a1e6cf69
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SSDEEP
3072:YG+Pz7m7SBuAMrpThSzoyK3uh9auQKhIjbni3S/YSS8VkmyI:uPz1xcTU0yK3uhVh6bn04NyI
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/YahVox Domination v3.0.exe unpack001/YahVox.exe
Files
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2d68a13813da04832ca34b79423065c1.zip
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MSWINSCK.OCX.dll regsvr32 windows:4 windows x86 arch:x86
5270274b4ff20c6f050b9c66331e50cb
Code Sign
03:c7:8f:37:db:92:28:df:3c:bb:1a:ad:82:fa:67:10Certificate
IssuerOU=VeriSign Commercial Software Publishers CA,O=VeriSign\, Inc.,L=InternetNot Before09/04/1996, 00:00Not After07/01/2004, 23:59SubjectOU=VeriSign Commercial Software Publishers CA,O=VeriSign\, Inc.,L=Internetfc:a4:a5:9f:2c:0f:c0:b9:03:98:33:1b:7b:54:54:1dCertificate
IssuerOU=VeriSign\, Inc.+OU=VeriSign Time Stamping Service Root+OU=NO LIABILITY ACCEPTED\, (c)97 VeriSign\, Inc.,O=VeriSign Trust NetworkNot Before16/11/1999, 00:00Not After06/01/2004, 23:59SubjectCN=VeriSign Time Stamping Service CA SW1,OU=VeriSign Trust Network+OU=www.verisign.com/repository/RPA Incorp. by Ref.\,LIAB.LTD(c)98,O=VeriSign\, Inc.Extended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
75:f2:8e:f8:a8:fb:ea:6d:11:52:97:14:95:4b:65:5cCertificate
IssuerOU=VeriSign Commercial Software Publishers CA,O=VeriSign\, Inc.,L=InternetNot Before04/04/2000, 00:00Not After17/04/2001, 23:59SubjectCN=Microsoft Corporation,OU=VeriSign Commercial Software Publishers CA+OU=www.verisign.com/repository/RPA Incorp. by Ref.\,LIAB.LTD(c)98+OU=Digital ID Class 3 - Microsoft Software Validation v2+OU=Microsoft Corporation,O=VeriSign\, Inc.,L=Internet+L=Redmond,ST=Washington,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageKeyEncipherment
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL
Imports
wsock32
accept
listen
inet_ntoa
recv
WSAGetLastError
WSASetLastError
select
__WSAFDIsSet
shutdown
ntohs
sendto
recvfrom
connect
getsockopt
setsockopt
getsockname
getpeername
closesocket
WSACancelAsyncRequest
gethostbyaddr
bind
WSAAsyncSelect
socket
WSAStartup
WSACleanup
inet_addr
WSAAsyncGetHostByName
WSAAsyncGetHostByAddr
gethostbyname
htons
gethostname
ioctlsocket
send
kernel32
lstrlenW
GetProcAddress
GetModuleFileNameA
InitializeCriticalSection
HeapFree
HeapAlloc
GetProcessHeap
lstrcpynA
lstrcpyA
lstrlenA
lstrcatA
IsBadWritePtr
WideCharToMultiByte
GetVersion
LeaveCriticalSection
GetCurrentThreadId
EnterCriticalSection
LocalFree
FormatMessageA
GetTickCount
MultiByteToWideChar
SetLastError
GetLocaleInfoA
LoadLibraryA
DeleteCriticalSection
FreeLibrary
DisableThreadLibraryCalls
lstrcmpA
InterlockedDecrement
GetFileAttributesA
GetWindowsDirectoryA
HeapReAlloc
InterlockedIncrement
lstrcmpiA
GetLastError
LockResource
LoadResource
FindResourceA
user32
EndDialog
DialogBoxParamA
GetActiveWindow
MessageBoxA
DrawEdge
GetDC
CharNextA
LoadCursorA
wsprintfA
GetWindowRect
SetWindowPos
ShowWindow
IsDialogMessageA
GetWindow
GetNextDlgTabItem
IsWindowEnabled
GetDlgItem
IsChild
GetKeyState
SetParent
WinHelpA
IsWindowVisible
EndPaint
GetClientRect
BeginPaint
SendDlgItemMessageA
LoadStringA
ClientToScreen
OffsetRect
EqualRect
IntersectRect
SetWindowRgn
PtInRect
MessageBeep
LoadBitmapA
GetSystemMetrics
GetParent
CreateDialogIndirectParamA
GetDlgItemTextA
SetDlgItemInt
SendMessageA
DefWindowProcA
GetWindowLongA
DestroyWindow
KillTimer
SetTimer
UnregisterClassA
RegisterClassA
PeekMessageA
PostMessageA
SetDlgItemTextA
SetFocus
GetDlgItemInt
MoveWindow
SetWindowLongA
CreateWindowExA
ReleaseDC
ole32
CoTaskMemAlloc
CoTaskMemFree
CoCreateInstance
CreateOleAdviseHolder
advapi32
RegDeleteValueA
RegQueryValueA
RegOpenKeyA
RegQueryValueExA
RegEnumKeyExA
RegDeleteKeyA
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
RegCloseKey
oleaut32
SysAllocString
VariantChangeType
SysAllocStringLen
SysStringLen
SafeArrayRedim
RegisterTypeLi
LoadTypeLi
UnRegisterTypeLi
LoadTypeLibEx
OleCreatePropertyFrame
LoadRegTypeLi
SafeArrayDestroy
SafeArrayUnaccessData
SetErrorInfo
CreateErrorInfo
GetErrorInfo
SysFreeString
SysAllocStringByteLen
SafeArrayCreate
VariantClear
SafeArrayGetUBound
SafeArrayGetLBound
SysStringByteLen
SafeArrayAccessData
SafeArrayGetElemsize
SafeArrayGetDim
VariantInit
gdi32
GetDeviceCaps
CreateCompatibleDC
CreateRectRgnIndirect
GetWindowExtEx
GetViewportExtEx
DeleteDC
DeleteObject
GetObjectA
LPtoDP
SetMapMode
SetViewportExtEx
SetWindowExtEx
SetViewportOrgEx
SetWindowOrgEx
CreateDCA
BitBlt
SelectObject
Exports
Exports
DLLGetDocumentation
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
Sections
.text Size: 66KB - Virtual size: 66KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 26KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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YahVox Domination v3.0.exe.exe windows:4 windows x86 arch:x86
a4e76dba696f5fbbda3da657014d498e
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
msvbvm60
__vbaVarSub
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaVarVargNofree
__vbaFreeVar
__vbaLateIdCall
__vbaStrVarMove
__vbaLenBstr
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
__vbaRecAnsiToUni
__vbaStrCat
__vbaLsetFixstr
__vbaSetSystemError
__vbaHresultCheckObj
_adj_fdiv_m32
__vbaVarForInit
ord593
__vbaExitProc
__vbaObjSet
__vbaOnError
ord595
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaVarIndexLoad
__vbaVarTstLt
__vbaRefVarAry
_CIsin
ord632
__vbaChkstk
EVENT_SINK_AddRef
__vbaStrCmp
__vbaVarTstEq
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
_adj_fpatan
__vbaLateIdCallLd
__vbaRecUniToAnsi
EVENT_SINK_Release
ord600
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord711
ord712
_adj_fprem
_adj_fdivr_m64
__vbaI2Str
ord714
ord607
ord608
__vbaFPException
__vbaStrVarVal
__vbaUbound
__vbaVarCat
ord535
__vbaI2Var
_CIlog
__vbaErrorOverflow
__vbaNew2
__vbaInStr
__vbaR8Str
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaI4Var
__vbaVarAdd
__vbaVarDup
__vbaFpI4
__vbaVarCopy
ord617
_CIatan
__vbaStrMove
__vbaStrVarCopy
_allmul
_CItan
__vbaVarForNext
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 116KB - Virtual size: 112KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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YahVox.exe.exe windows:4 windows x86 arch:x86
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
Sections
.text Size: 35KB - Virtual size: 35KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.mjg Size: - Virtual size: 1B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE