TeamSpeak3-Client-win64-3[.]5[.]6[.]exe

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General

Target

TeamSpeak3-Client-win64-3.5.6.exe
Size

86.5MB
MD5

e6d376d413f8be5a309b8c5703045185
SHA1

79f65430893d78d562b1902767a8342f1a0a4dda
SHA256

86381879a3e7dc7a2e90e4da1cccfbd2e5359b7ce6dd8bc11196d18dfc9e2abc
SHA512

fa52f3f13bfac036539e7bc68776a67e2b44d6bed655ac64bbec3baede3e2c35585e31b982316dc022ce803fdc7f96c752bc06134ae10ce17e3c2c1eaaca26b1
SSDEEP

1572864:BmdkE1yA1w+G3D9FnCEBoWKIj4XlTsesl04PNPPlqdlH1os2ZB6fZscHF11MVcGN:BmyEDw1z/ZB8Ij4XlbAVNqdlHGs2ZOZ6

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

TeamSpeak3-Client-win64-3.5.6.exe
.exe windows x86

099c0646ea7282d232219f8807883be0

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

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

0b:01:2e:b9:8c:70:3a:a9:b0:6d:26:43:55:e9:fe:39
Certificate

Issuer

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

Not Before

04/11/2020, 00:00

Not After

08/11/2023, 23:59

Subject

CN=TeamSpeak Systems GmbH,O=TeamSpeak Systems GmbH,L=Krün,ST=Bayern,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

9d:45:64:80:7b:b3:16:5d:07:c7:9b:e3:77:04:61:7c:d8:ee:d9:2f
Signer

Actual PE Digest

9d:45:64:80:7b:b3:16:5d:07:c7:9b:e3:77:04:61:7c:d8:ee:d9:2f

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=TeamSpeak Systems GmbH,O=TeamSpeak Systems GmbH,L=Krün,ST=Bayern,C=DE

25/11/2020, 14:13
Valid: true

Chain 1

CN=TeamSpeak Systems GmbH,O=TeamSpeak Systems GmbH,L=Krün,ST=Bayern,C=DE

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_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

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

user32

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

gdi32

SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject

shell32

SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation

advapi32

RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA

comctl32

ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create

ole32

CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 104KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 102KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

099c0646ea7282d232219f8807883be0

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

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

Extended Key Usages

Key Usages

0b:01:2e:b9:8c:70:3a:a9:b0:6d:26:43:55:e9:fe:39Certificate

Extended Key Usages

Key Usages

9d:45:64:80:7b:b3:16:5d:07:c7:9b:e3:77:04:61:7c:d8:ee:d9:2fSigner

Signature Validations

Verification

25/11/2020, 14:13 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 22KB

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

.data Size: 1024B - Virtual size: 107KB

.ndata Size: - Virtual size: 104KB

.rsrc Size: 102KB - Virtual size: 102KB

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

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

0b:01:2e:b9:8c:70:3a:a9:b0:6d:26:43:55:e9:fe:39
Certificate

9d:45:64:80:7b:b3:16:5d:07:c7:9b:e3:77:04:61:7c:d8:ee:d9:2f
Signer

25/11/2020, 14:13
Valid: true

.text
Size: 23KB - Virtual size: 22KB

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

.data
Size: 1024B - Virtual size: 107KB

.ndata
Size: - Virtual size: 104KB

.rsrc
Size: 102KB - Virtual size: 102KB