SafeExamBrowserInstaller[.]exe

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General

Target

SafeExamBrowserInstaller.exe
Size

64.6MB
MD5

e36c002b4e46330d5162c836343e4a40
SHA1

aec3ef8a45a40942f8675e7ab77b896e1ce05dba
SHA256

86bb00ef5ced69a745a646d87800fa99177947a76b660fac4dd4d547709070f8
SHA512

89831c70727402c67cb18b72601f513192f30ada055aba3beaf9fb5ed8462dee5f629b5b80c3410550c64824341c80dacb902b9540ea4d3a4d2d837b21c2f9cb
SSDEEP

1572864:3v0RBABheU/Kk5WI5BzhwXB/OnO5UEqfw3yUBTumyqj97v:3v0MHykwyBVwXB/OO5ULNUBTu697v

Score

N/A

Malware Config

Signatures

Files

SafeExamBrowserInstaller.exe
.exe windows x86

a201a3d6fa5f43a92c0c343738837cf1

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

06:f6:70:e8:e3:55:92:59:68:91:fc:a1:57:0f:a0:cc
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

24/07/2019, 00:00

Not After

26/09/2022, 12:00

Subject

CN=Eidgenössische Technische Hochschule Zürich,O=Eidgenössische Technische Hochschule Zürich,L=Zürich,C=CH

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/10/2019, 00:00

Not After

17/10/2030, 00:00

Subject

CN=TIMESTAMP-SHA256-2019-10-15,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

51:e8:48:5b:e9:ed:9e:20:64:a9:eb:50:8c:22:e5:d1:9a:56:08:24:54:db:87:1e:1a:f6:e3:fa:88:67:b4:b6
Signer

Actual PE Digest

51:e8:48:5b:e9:ed:9e:20:64:a9:eb:50:8c:22:e5:d1:9a:56:08:24:54:db:87:1e:1a:f6:e3:fa:88:67:b4:b6

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Eidgenössische Technische Hochschule Zürich,O=Eidgenössische Technische Hochschule Zürich,L=Zürich,C=CH

29/06/2020, 13:59
Valid: true

Chain 1

CN=Eidgenössische Technische Hochschule Zürich,O=Eidgenössische Technische Hochschule Zürich,L=Zürich,C=CH

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

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

Imports

comctl32

ord17

kernel32

GetVersion
GetLocalTime
GetFileAttributesW
GetCurrentDirectoryW
FileTimeToLocalFileTime
GetFileTime
GetSystemDefaultUILanguage
GlobalAlloc
GlobalFree
FlushFileBuffers
VirtualQuery
IsBadReadPtr
GetDiskFreeSpaceExW
GetDriveTypeW
GetCurrentProcess
GetCurrentThread
InterlockedExchange
LoadLibraryExA
GetModuleHandleW
GetProcAddress
GetSystemDirectoryA
LoadLibraryA
GetLastError
SetLastError
CreateFileW
GetFileSize
CloseHandle
CreateFileMappingW
LoadLibraryExW
UnmapViewOfFile
lstrlenA
MultiByteToWideChar
WideCharToMultiByte
ReadFile
SetFilePointer
WriteFile
HeapAlloc
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
RaiseException
MulDiv
GetSystemInfo
MoveFileW
GetPrivateProfileStringW
GetSystemTimeAsFileTime
SetFileAttributesW
FindNextFileW
FindFirstFileW
FindClose
CreateDirectoryW
CompareFileTime
SetCurrentDirectoryW
VerLanguageNameW
GetUserDefaultLangID
GetSystemDefaultLangID
FreeResource
lstrcmpA
SystemTimeToFileTime
ResetEvent
SetEvent
FindResourceExW
SetFileTime
OpenProcess
GetProcessTimes
ReadConsoleW
WriteConsoleW
SetStdHandle
SetFilePointerEx
lstrcmpiW
lstrcmpW
IsValidLocale
GetLocaleInfoW
lstrcpyA
ExitThread
GetExitCodeProcess
WaitForSingleObject
GetCommandLineW
LoadLibraryW
FreeLibrary
CompareStringA
CompareStringW
lstrcatW
GetVersionExW
CreateEventW
QueryPerformanceFrequency
GetTempFileNameW
CopyFileW
GetTickCount
GetExitCodeThread
CreateThread
FindResourceW
MapViewOfFile
GlobalUnlock
GlobalLock
SizeofResource
LockResource
LoadResource
lstrcpyW
SetErrorMode
GetTempPathW
ExpandEnvironmentStringsW
FormatMessageW
LocalFree
GetWindowsDirectoryW
GetSystemDirectoryW
CreateProcessW
InterlockedDecrement
InterlockedIncrement
Sleep
RemoveDirectoryW
DeleteFileW
lstrlenW
lstrcpynW
GetModuleFileNameW
GetProcessHeap
HeapFree
GetConsoleMode
GetConsoleCP
GetTimeFormatW
GetDateFormatW
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCurrentProcessId
QueryPerformanceCounter
GetFileType
HeapReAlloc
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetCurrentThreadId
HeapSize
GetModuleHandleExW
ExitProcess
GetStdHandle
GetFullPathNameW
IsProcessorFeaturePresent
IsDebuggerPresent
RtlUnwind
LCMapStringW
DecodePointer
EncodePointer

user32

SetWindowPos
SetWindowTextW
GetMessageW
TranslateMessage
DispatchMessageW
GetDlgItem
EndDialog
DialogBoxIndirectParamW
ShowWindow
GetDesktopWindow
MsgWaitForMultipleObjects
PeekMessageW
PostMessageW
DefWindowProcW
wsprintfW
LoadIconW
LoadCursorW
KillTimer
SetTimer
CreateWindowExW
RegisterClassW
FillRect
CharPrevW
wvsprintfW
LoadImageW
CreateDialogParamW
MoveWindow
GetParent
GetWindowTextW
SetCursor
GetWindow
GetDlgItemTextW
SetFocus
SetForegroundWindow
SetActiveWindow
SetDlgItemTextW
FindWindowW
SubtractRect
IntersectRect
SetRect
GetWindowDC
GetSysColorBrush
GetSysColor
GetDC
GetSystemMetrics
GetDlgCtrlID
ExitWindowsEx
CharUpperW
wsprintfA
CallWindowProcW
DrawIcon
DrawTextW
UpdateWindow
InvalidateRect
SetPropW
GetPropW
RemovePropW
MapWindowPoints
DrawFocusRect
CopyRect
InflateRect
EnumChildWindows
GetClassNameW
MapDialogRect
RegisterClassExW
MonitorFromPoint
CreateDialogIndirectParamW
CharNextW
IsDialogMessageW
FindWindowExW
ScreenToClient
MessageBoxW
GetWindowRect
EnableWindow
SendDlgItemMessageW
DestroyWindow
IsWindow
SendMessageW
WaitForInputIdle
SetWindowLongW
GetWindowLongW
GetClientRect
EndPaint
BeginPaint
ReleaseDC
PostQuitMessage

gdi32

CreateHalftonePalette
GetDIBColorTable
SelectPalette
RealizePalette
GetSystemPaletteEntries
CreatePalette
CreateFontW
SetTextColor
SetBkMode
GetDeviceCaps
CreateSolidBrush
GetObjectW
TranslateCharsetInfo
CreateFontIndirectW
SetStretchBltMode
StretchBlt
SelectObject
DeleteDC
CreateDIBitmap
CreateCompatibleDC
BitBlt
DeleteObject
GetStockObject
CreateCompatibleBitmap
CreateDCW
CreatePatternBrush
GetTextExtentPoint32W
RestoreDC
SaveDC
DeleteMetaFile
CreateBitmap
CreateRectRgn
PatBlt
PlayMetaFile
SelectClipRgn
SetBkColor
SetMapMode
SetMetaFileBitsEx
SetPixel
SetViewportExtEx
SetViewportOrgEx
SetWindowExtEx
SetWindowOrgEx
UnrealizeObject

advapi32

CreateWellKnownSid
RegOpenKeyExW
RegOpenKeyW
RegOverridePredefKey
LookupPrivilegeValueW
AdjustTokenPrivileges
GetTokenInformation
FreeSid
EqualSid
AllocateAndInitializeSid
OpenThreadToken
OpenProcessToken
SetEntriesInAclW
SetSecurityDescriptorOwner
SetSecurityDescriptorGroup
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
RegQueryValueExW
RegQueryInfoKeyW
RegEnumKeyExW
RegDeleteKeyW
RegEnumValueW
RegDeleteValueW
RegSetValueExW
RegCreateKeyExW
RegCloseKey

shell32

CommandLineToArgvW
ShellExecuteExW
SHBrowseForFolderW
SHGetFolderPathW
SHGetPathFromIDListW
SHGetMalloc
ShellExecuteW

ole32

CoCreateInstance
CoCreateGuid
CreateStreamOnHGlobal
CLSIDFromProgID
CoTaskMemAlloc
CoTaskMemRealloc
CoTaskMemFree
CoUninitialize
CoInitializeSecurity
CoInitialize

oleaut32

VariantClear
SysStringByteLen
SysAllocStringByteLen
VarBstrCat
VarBstrFromDate
VariantChangeType
GetErrorInfo
VarUI4FromStr
SystemTimeToVariantTime
LoadTypeLi
RegisterTypeLi
UnRegisterTypeLi
VarBstrCmp
SysAllocStringLen
SysFreeString
SysAllocString
SysStringLen
SysReAllocStringLen

shlwapi

PathFileExistsW

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

gdiplus

GdipDrawImageRectI
GdipSetInterpolationMode
GdipDeleteGraphics
GdipCreateFromHDC
GdipCreateBitmapFromResource
GdipCreateBitmapFromStreamICM
GdipCreateBitmapFromFile
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdiplusStartup
GdipFree
GdipAlloc
GdipGetImageHeight
GdipGetImageWidth

Sections

.text
Size: 598KB - Virtual size: 598KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 186KB - Virtual size: 186KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 652KB - Virtual size: 652KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 160KB - Virtual size: 159KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a201a3d6fa5f43a92c0c343738837cf1

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

06:f6:70:e8:e3:55:92:59:68:91:fc:a1:57:0f:a0:ccCertificate

Extended Key Usages

Key Usages

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6dCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

51:e8:48:5b:e9:ed:9e:20:64:a9:eb:50:8c:22:e5:d1:9a:56:08:24:54:db:87:1e:1a:f6:e3:fa:88:67:b4:b6Signer

Signature Validations

Verification

29/06/2020, 13:59 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

shlwapi

rpcrt4

gdiplus

Sections

.text Size: 598KB - Virtual size: 598KB

.rdata Size: 186KB - Virtual size: 186KB

.data Size: 10KB - Virtual size: 43KB

.rsrc Size: 652KB - Virtual size: 652KB

.reloc Size: 160KB - Virtual size: 159KB

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

06:f6:70:e8:e3:55:92:59:68:91:fc:a1:57:0f:a0:cc
Certificate

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

51:e8:48:5b:e9:ed:9e:20:64:a9:eb:50:8c:22:e5:d1:9a:56:08:24:54:db:87:1e:1a:f6:e3:fa:88:67:b4:b6
Signer

29/06/2020, 13:59
Valid: true

.text
Size: 598KB - Virtual size: 598KB

.rdata
Size: 186KB - Virtual size: 186KB

.data
Size: 10KB - Virtual size: 43KB

.rsrc
Size: 652KB - Virtual size: 652KB

.reloc
Size: 160KB - Virtual size: 159KB