download:

TeamViewerQS.exe

Full analysis: https://app.any.run/tasks/e875511a-83cc-4534-8edd-46b65f3bef4e
Verdict: Malicious activity
Threats:

Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links.

Analysis date: January 23, 2019, 07:36:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
teamviewer
tvrat
rat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed, Nullsoft Installer self-extracting archive
MD5:

F063DA33DC162F90E4682DF35E8AE86C

SHA1:

3F66D06EC48D6C0A794D4B477F1CED4723CD68B4

SHA256:

490879A102BADCBB29854A4C4B7B16C12585F464E5CD9396C37B24EBA04A2BDF

SSDEEP:

98304:R1bTjypnPlU+MGYcX2z6g2uZPRt6A63O3ly92pbFeFs:RI3YchgJ9RtkGmWbFv

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Loads dropped or rewritten executable

      • TeamViewerQS.exe (PID: 3212)
      • TeamViewer.exe (PID: 3308)
      • TeamViewer.exe (PID: 3832)
    • Application was dropped or rewritten from another process

      • TeamViewer.exe (PID: 3832)
      • TeamViewer.exe (PID: 3308)
  • SUSPICIOUS

    • Creates files in the user directory

      • TeamViewer.exe (PID: 3832)
    • Executable content was dropped or overwritten

      • TeamViewerQS.exe (PID: 3212)
    • Application launched itself

      • TeamViewer.exe (PID: 3308)
    • Connects to unusual port

      • TeamViewer.exe (PID: 3832)
    • Reads Internet Cache Settings

      • TeamViewer.exe (PID: 3832)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (39.3)
.exe | Win32 EXE Yoda's Crypter (38.6)
.dll | Win32 Dynamic Link Library (generic) (9.5)
.exe | Win32 Executable (generic) (6.5)
.exe | Generic Win/DOS Executable (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:06:06 23:41:54+02:00
PEType: PE32
LinkerVersion: 6
CodeSize: 20480
InitializedDataSize: 28672
UninitializedDataSize: 200704
EntryPoint: 0x36340
OSVersion: 4
ImageVersion: 6.1
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 6.0.17222.0
ProductVersionNumber: 6.0.17222.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Windows, Latin1
Comments: TeamViewer Remote Control Application
CompanyName: TeamViewer GmbH
FileVersion: 6.0.17222.0
LegalCopyright: TeamViewer GmbH

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 06-Jun-2009 21:41:54
Detected languages:
  • English - United States
Comments: TeamViewer Remote Control Application
CompanyName: TeamViewer GmbH
FileVersion: 6.0.17222.0
LegalCopyright: TeamViewer GmbH

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 06-Jun-2009 21:41:54
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x00031000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00032000
0x00005000
0x00004600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.83952
.rsrc
0x00037000
0x00007000
0x00006200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.19167

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.20802
716
UNKNOWN
English - United States
RT_MANIFEST
2
4.79162
4264
UNKNOWN
English - United States
RT_ICON
3
5.25522
3752
UNKNOWN
English - United States
RT_ICON
4
5.84324
2216
UNKNOWN
English - United States
RT_ICON
5
4.21926
1384
UNKNOWN
English - United States
RT_ICON
6
5.1771
1128
UNKNOWN
English - United States
RT_ICON
103
2.69913
90
UNKNOWN
English - United States
RT_GROUP_ICON
105
7.11315
256
UNKNOWN
English - United States
RT_DIALOG
106
7.15625
284
UNKNOWN
English - United States
RT_DIALOG
111
6.16554
96
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.DLL
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start teamviewerqs.exe teamviewer.exe teamviewer.exe

Process information

PID
CMD
Path
Indicators
Parent process
3212"C:\Users\admin\AppData\Local\Temp\TeamViewerQS.exe" C:\Users\admin\AppData\Local\Temp\TeamViewerQS.exe
explorer.exe
User:
admin
Company:
TeamViewer GmbH
Integrity Level:
MEDIUM
Exit code:
0
Version:
6.0.17222.0
Modules
Images
c:\users\admin\appdata\local\temp\teamviewerqs.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\gdi32.dll
3308"C:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer.exe" C:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer.exe
TeamViewerQS.exe
User:
admin
Company:
TeamViewer GmbH
Integrity Level:
MEDIUM
Description:
TeamViewer Remote Control Application
Exit code:
0
Version:
6.0.17222.0
Modules
Images
c:\users\admin\appdata\local\temp\teamviewer\version6\teamviewer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
3832"C:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer.exe" --dreC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer.exe
TeamViewer.exe
User:
admin
Company:
TeamViewer GmbH
Integrity Level:
HIGH
Description:
TeamViewer Remote Control Application
Exit code:
0
Version:
6.0.17222.0
Modules
Images
c:\users\admin\appdata\local\temp\teamviewer\version6\teamviewer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
Total events
810
Read events
781
Write events
28
Delete events
1

Modification events

(PID) Process:(3212) TeamViewerQS.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3212) TeamViewerQS.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3308) TeamViewer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3308) TeamViewer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3308) TeamViewer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3832) TeamViewer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3832) TeamViewer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\TeamViewer\Version6\Temp
Operation:delete keyName:
Value:
Executable files
45
Suspicious files
2
Text files
2
Unknown types
2

Dropped files

PID
Process
Filename
Type
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\nse710C.tmp\TvGetVersion.dllexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer_Service.exeexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer_Resource_bg.dllexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer_Resource_ar.dllexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer_Resource_cs.dllexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer_Resource_da.dllexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\TeamViewer_Resource_de.dllexecutable
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\tvqsfiles.7zcompressed
MD5:
SHA256:
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\x64\tvmonitor.catcat
MD5:FD3C85415503D2660D6314F2606DDC83
SHA256:6A030521959EB55A163B0F81655B10014ED82C26089E5C3485284CDE743B0BDC
3212TeamViewerQS.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version6\tv_w32.exeexecutable
MD5:7D90BDF0F9C2D9224D8B4D5D2F195506
SHA256:C96ED3B60727973D746834EAEC3DF520447A039DC447F717F6CD32335E2DC1D0
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
2
Threats
2

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3832
TeamViewer.exe
188.172.219.158:5938
ping3.teamviewer.com
ANEXIA Internetdienstleistungs GmbH
NL
suspicious
3832
TeamViewer.exe
185.188.32.1:5938
master1.teamviewer.com
TeamViewer GmbH
DE
suspicious
3832
TeamViewer.exe
213.227.168.142:5938
ANEXIA Internetdienstleistungs GmbH
AT
suspicious

DNS requests

Domain
IP
Reputation
ping3.teamviewer.com
  • 188.172.219.158
  • 188.172.198.158
  • 213.227.162.126
  • 188.172.246.190
  • 213.227.168.190
shared
master1.teamviewer.com
  • 185.188.32.1
shared

Threats

PID
Process
Class
Message
3832
TeamViewer.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] TeamViewer negotiation
3832
TeamViewer.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] TeamViewer connection
No debug info