WkRuntime[.]exe

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General

Target

WkRuntime.exe
Size

30.5MB
MD5

0fcf2a10851ebf141a4e2b4acf3a2e62
SHA1

ac4f6aa46ced0b3ff5895c0f483c9fac4fddbd1d
SHA256

d46ae8729aea575172ad4a66861012f49db909996a724124b688345abf3afa3a
SHA512

b904a62b01b569d474a9729ff4800265421469246e2e74d31b485e3d00bbe5c4479a2b969b4796f800ec830ff6bdd736d3b58ebb4b223376444e3381191ba5c5
SSDEEP

786432:KcQNWwYAPHlcpTJ8bVjeA5JjRnqvS/eMOTt/rj4:clYaqJ8leuIrMk9rs

Score

1^/10

Malware Config

Signatures

Files

WkRuntime.exe
.exe windows:4 windows x86 arch:x86

60f2858f8c859062bd16000a4cb2a2ed

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

2f:93:06:89:e0:2d:92:9c:08:58:23:f1:2e:80:9e:27
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

01/04/2015, 00:00

Not After

30/06/2017, 23:59

Subject

CN=WIBU-SYSTEMS AG,O=WIBU-SYSTEMS AG,L=Karlsruhe,ST=Baden Wuerttemberg,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

54:22:3c:50:5a:98:59:3d:68:39:06:2a:8e:15:71:57:d7:bc:59:8f
Signer

Actual PE Digest

54:22:3c:50:5a:98:59:3d:68:39:06:2a:8e:15:71:57:d7:bc:59:8f

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

shell32

SHGetPathFromIDListA
SHGetSpecialFolderLocation
ShellExecuteExA
SHGetMalloc

user32

BeginPaint
GetSysColor
GetClientRect
SetRect
EndPaint
LoadCursorA
GetLastActivePopup
ShowWindow
PostMessageA
SendMessageA
EnableWindow
GetTopWindow
SetWindowLongA
GetWindowLongA
SetWindowTextA
SetForegroundWindow
SetActiveWindow
SetDlgItemTextA
CharUpperBuffA
LoadIconA
SetWindowWord
SendDlgItemMessageA
GetDlgItem
InvalidateRect
UpdateWindow
LoadStringA
MessageBoxA
SetTimer
GetMessageA
KillTimer
PostQuitMessage
DialogBoxParamA
GetDlgItemTextA
EndDialog
GetWindowRect
GetSystemMetrics
SetWindowPos
PeekMessageA
TranslateMessage
DispatchMessageA
SetCursor
CharNextA
GetWindowWord
DefWindowProcA
RegisterClassA
GetParent

kernel32

GetConsoleCP
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
GetFileType
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
LCMapStringW
LCMapStringA
GetStdHandle
HeapCreate
HeapDestroy
VirtualAlloc
VirtualFree
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
HeapSize
Sleep
GetCurrentThreadId
SetLastError
TlsFree
TlsSetValue
TlsAlloc
TlsGetValue
GetVersionExA
FindClose
FindFirstFileA
SetCurrentDirectoryA
CreateDirectoryA
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
LocalAlloc
GetDriveTypeA
GetEnvironmentVariableA
DeleteFileA
SetFileAttributesA
GetConsoleMode
SetEndOfFile
SetFilePointer
CloseHandle
UnmapViewOfFile
MapViewOfFile
CreateFileMappingA
GetFileSize
CreateFileA
GetWindowsDirectoryA
MoveFileExA
GlobalFree
GlobalUnlock
GlobalHandle
_lclose
_llseek
_lread
_lopen
GlobalLock
GlobalAlloc
GlobalMemoryStatus
GetVersion
GetModuleFileNameA
WriteFile
GetSystemTime
CreateProcessA
LocalFree
ExitProcess
FormatMessageA
GetLastError
GetModuleHandleA
GetVolumeInformationA
FindNextFileA
GetTickCount
WideCharToMultiByte
WaitForSingleObject
SetErrorMode
GetLocalTime
lstrlenA
CreateFileW
ReadFile
LoadLibraryA
InitializeCriticalSection
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
FlushFileBuffers
RemoveDirectoryA
MultiByteToWideChar
RtlUnwind
HeapAlloc
HeapFree
HeapReAlloc
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCommandLineA
GetProcessHeap
GetStartupInfoA
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
GetProcAddress

gdi32

SetTextColor
SetTextAlign
GetBkColor
GetTextExtentPoint32A
ExtTextOutA
CreateDCA
GetDeviceCaps
CreateFontIndirectA
DeleteDC
SelectObject
DeleteObject
SetBkColor

comctl32

ord17

Sections

.text
Size: 76KB - Virtual size: 73KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_winzip_
Size: 30.4MB - Virtual size: 30.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

60f2858f8c859062bd16000a4cb2a2ed

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

2f:93:06:89:e0:2d:92:9c:08:58:23:f1:2e:80:9e:27Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

54:22:3c:50:5a:98:59:3d:68:39:06:2a:8e:15:71:57:d7:bc:59:8fSigner

Headers

File Characteristics

Imports

shell32

user32

kernel32

gdi32

comctl32

Sections

.text Size: 76KB - Virtual size: 73KB

.rdata Size: 16KB - Virtual size: 14KB

.data Size: 8KB - Virtual size: 57KB

.rsrc Size: 16KB - Virtual size: 13KB

_winzip_ Size: 30.4MB - Virtual size: 30.4MB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

2f:93:06:89:e0:2d:92:9c:08:58:23:f1:2e:80:9e:27
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

54:22:3c:50:5a:98:59:3d:68:39:06:2a:8e:15:71:57:d7:bc:59:8f
Signer

.text
Size: 76KB - Virtual size: 73KB

.rdata
Size: 16KB - Virtual size: 14KB

.data
Size: 8KB - Virtual size: 57KB

.rsrc
Size: 16KB - Virtual size: 13KB

_winzip_
Size: 30.4MB - Virtual size: 30.4MB