WaveBrowserStubv1[.]3[.]11[.]1[.]exe

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General

Target

WaveBrowserStubv1.3.11.1.exe
Size

1015KB
MD5

eb75bdad6744e9cdd21f60497eb44327
SHA1

7b191a3e84e5ce41edf581ef777c6fcea667e67e
SHA256

ce6cc24412a936cee23ddfb31bf91fdcb62008e0025a057080bb2b9b029a82d6
SHA512

9940bc9e4eaca80402250edb918060f59d0b40040e31bc68266b5bb044ea55a23c19f17309b22745ea9f1590a5b2930467dc4fdc727c41ec06daf43854b0fed5
SSDEEP

12288:GjCFXvTk1GDiKI08p7kSrUZeX/N55ZbDF0s+2QGJvsgHYIEGcjR/+p4YK6zZDLYZ:JvoU/BSv/N5rDs2TvCR2+dODbPRir

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

WaveBrowserStubv1.3.11.1.exe
.exe windows x86

3abe302b6d9a1256e6a915429af4ffd2

Code Sign

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

2f:bc:7f:72:ac:41:48:ff:15:d4:17:50
Certificate

Issuer

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

Not Before

12-10-2021 07:56

Not After

13-10-2023 07:56

Subject

SERIALNUMBER=EE 52849,CN=WAVESOR SOFTWARE,O=WAVESOR SOFTWARE,STREET=Promachón Eleftherías,L=Agios Athanasios,ST=Limassol,C=CY,1.3.6.1.4.1.311.60.2.1.3=#13024359,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11-05-2022 00:00

Not After

10-08-2033 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02-05-2019 00:00

Not After

18-01-2038 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

4b:3b:2b:92:38:ac:7f:e4:26:f8:62:44:91:43:fc:66:bf:e6:bc:48:51:73:84:86:c0:b3:fb:59:43:21:1b:53
Signer

Actual PE Digest

4b:3b:2b:92:38:ac:7f:e4:26:f8:62:44:91:43:fc:66:bf:e6:bc:48:51:73:84:86:c0:b3:fb:59:43:21:1b:53

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

SERIALNUMBER=EE 52849,CN=WAVESOR SOFTWARE,O=WAVESOR SOFTWARE,STREET=Promachón Eleftherías,L=Agios Athanasios,ST=Limassol,C=CY,1.3.6.1.4.1.311.60.2.1.3=#13024359,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

03-05-2023 12:01
Valid: false

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

kernel32

GetTempPathA
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
SetEnvironmentVariableA
Sleep
GetTickCount
GetCommandLineA
lstrlenA
GetVersion
SetErrorMode
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GetWindowsDirectoryA
SetCurrentDirectoryA
GetLastError
CreateDirectoryA
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
ReadFile
WriteFile
lstrcpyA
MoveFileExA
lstrcatA
GetSystemDirectoryA
GetProcAddress
GetExitCodeProcess
WaitForSingleObject
CompareFileTime
SetFileAttributesA
GetFileAttributesA
GetShortPathNameA
MoveFileA
GetFullPathNameA
SetFileTime
SearchPathA
CloseHandle
lstrcmpiA
CreateThread
GlobalLock
lstrcmpA
FindFirstFileA
FindNextFileA
DeleteFileA
SetFilePointer
GetPrivateProfileStringA
FindClose
MultiByteToWideChar
FreeLibrary
MulDiv
WritePrivateProfileStringA
LoadLibraryExA
GetModuleHandleA
GlobalAlloc
GlobalFree
ExpandEnvironmentStringsA

user32

ScreenToClient
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
PostQuitMessage
GetWindowRect
EnableMenuItem
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
ReleaseDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndDialog
RegisterClassA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
ExitWindowsEx
GetDC
CreateDialogParamA
SetTimer
GetDlgItem
SetWindowLongA
SetForegroundWindow
LoadImageA
IsWindow
SendMessageTimeoutA
FindWindowExA
OpenClipboard
TrackPopupMenu
AppendMenuA
EndPaint
DestroyWindow
wsprintfA
ShowWindow
SetWindowTextA

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA

advapi32

AdjustTokenPrivileges
RegCreateKeyExA
RegOpenKeyExA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
RegEnumValueA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 106KB

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: 174KB - Virtual size: 174KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3abe302b6d9a1256e6a915429af4ffd2

Code Sign

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

Extended Key Usages

Key Usages

2f:bc:7f:72:ac:41:48:ff:15:d4:17:50Certificate

Extended Key Usages

Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

4b:3b:2b:92:38:ac:7f:e4:26:f8:62:44:91:43:fc:66:bf:e6:bc:48:51:73:84:86:c0:b3:fb:59:43:21:1b:53Signer

Signature Validations

Verification

03-05-2023 12:01 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 24KB - Virtual size: 23KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 106KB

.ndata Size: - Virtual size: 88KB

.rsrc Size: 174KB - Virtual size: 174KB

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

2f:bc:7f:72:ac:41:48:ff:15:d4:17:50
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

4b:3b:2b:92:38:ac:7f:e4:26:f8:62:44:91:43:fc:66:bf:e6:bc:48:51:73:84:86:c0:b3:fb:59:43:21:1b:53
Signer

03-05-2023 12:01
Valid: false

.text
Size: 24KB - Virtual size: 23KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 106KB

.ndata
Size: - Virtual size: 88KB

.rsrc
Size: 174KB - Virtual size: 174KB