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download:

QS_8.exe

Full analysis: https://app.any.run/tasks/0e08f455-2f52-4a8a-8be1-cf269ba64a74
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: April 15, 2019, 01:34:56
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
MD5:

3DC660B0FD84CF232BBC5CFBDCC48221

SHA1:

5D8354311669FCD5A7925292CB91BE6A74DF3902

SHA256:

E59D1B1C70E195A13AF6D8276405F0BF0F00FED56DCEBA8E4FC176AFE198644B

SSDEEP:

98304:/yC2BtHUpHvTgD0PeGz++z3kYAUuAvpp8ierZzpR:/YBtHUpbgImY++rVAha8FtpR

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

    • Application was dropped or rewritten from another process

      • TeamViewer.exe (PID: 3388)
      • TeamViewer.exe (PID: 2256)
      • tv_w32.exe (PID: 1172)
    • Loads dropped or rewritten executable

      • TeamViewer.exe (PID: 3388)
      • QS_8.exe (PID: 3116)
      • tv_w32.exe (PID: 1172)
      • TeamViewer.exe (PID: 2256)
    • Changes settings of System certificates

      • TeamViewer.exe (PID: 2256)
  • SUSPICIOUS

    • Application launched itself

      • TeamViewer.exe (PID: 3388)
    • Creates files in the user directory

      • TeamViewer.exe (PID: 2256)
    • Adds / modifies Windows certificates

      • TeamViewer.exe (PID: 2256)
    • Executable content was dropped or overwritten

      • QS_8.exe (PID: 3116)
  • 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 | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

ProductVersion: 8.0.17292.0
ProductName: TeamViewer QS
LegalCopyright: TeamViewer
FileVersion: 8.0.17292.0
CompanyName: TeamViewer
Comments: TeamViewer Remote Control Application
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x0000
ProductVersionNumber: 8.0.17292.0
FileVersionNumber: 8.0.17292.0
Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: 6
OSVersion: 5
EntryPoint: 0x39e3
UninitializedDataSize: 16896
InitializedDataSize: 445952
CodeSize: 28672
LinkerVersion: 10
PEType: PE32
TimeStamp: 2012:02:24 20:19:59+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 24-Feb-2012 19:19:59
Detected languages:
  • English - United States
Comments: TeamViewer Remote Control Application
CompanyName: TeamViewer
FileVersion: 8.0.17292.0
LegalCopyright: TeamViewer
ProductName: TeamViewer QS
ProductVersion: 8.0.17292.0

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: 0x000000D0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 24-Feb-2012 19:19:59
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00006F10
0x00007000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.49788
.rdata
0x00008000
0x00002A92
0x00002C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.39389
.data
0x0000B000
0x00067EBC
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.47278
.ndata
0x00073000
0x000A9000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0011C000
0x00006610
0x00006800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.06747
.reloc
0x00123000
0x00000F8A
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
4.97036

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.2266
957
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
7
0
296
UNKNOWN
English - United States
RT_ICON
103
2.80184
104
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.73893
514
UNKNOWN
English - United States
RT_DIALOG
106
2.91148
248
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.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start qs_8.exe teamviewer.exe no specs teamviewer.exe tv_w32.exe

Process information

PID
CMD
Path
Indicators
Parent process
3116"C:\Users\admin\AppData\Local\Temp\QS_8.exe" C:\Users\admin\AppData\Local\Temp\QS_8.exe
explorer.exe
User:
admin
Company:
TeamViewer
Integrity Level:
MEDIUM
Exit code:
0
Version:
8.0.17292.0
3388"C:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer.exe" C:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer.exeQS_8.exe
User:
admin
Company:
TeamViewer GmbH
Integrity Level:
MEDIUM
Description:
TeamViewer 8
Exit code:
0
Version:
8.0.17292.0
2256"C:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer.exe" --dreC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer.exe
TeamViewer.exe
User:
admin
Company:
TeamViewer GmbH
Integrity Level:
HIGH
Description:
TeamViewer 8
Version:
8.0.17292.0
1172"C:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tv_w32.exe" --action hooks --log C:\Users\admin\AppData\Roaming\TeamViewer\TeamViewer8_Logfile.log C:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tv_w32.exe
TeamViewer.exe
User:
SYSTEM
Company:
TeamViewer GmbH
Integrity Level:
SYSTEM
Description:
TeamViewer 8
Version:
8.0.17292.0
Total events
821
Read events
788
Write events
0
Delete events
0

Modification events

No data
Executable files
13
Suspicious files
1
Text files
2
Unknown types
1

Dropped files

PID
Process
Filename
Type
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tvqsfilesx86.7z
MD5:
SHA256:
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\nsv6AA4.tmp
MD5:
SHA256:
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tvqsfiles.7zcompressed
MD5:3790ACAE41B8A763886462D0DFFA21AB
SHA256:D69A581CAE8A0B4DC058F07188ED0C1267E4930FD0BF76030F36DDC59E5EBB23
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\nsk6AB4.tmp\TvGetVersion.dllexecutable
MD5:DDE7D895494C776C07751EB35A704B04
SHA256:68168614FC7519ACEC58D80109CF238830C3344DBB6C13C903B3C7F9336C4B88
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tvinfo.initext
MD5:B07C698E07117B81F50AA8B9F8EC299B
SHA256:27EDC6C6AC1A1AE7560210D0234ED4713F8106B2E7ABD4743BF214B3F2E6A08A
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tv_x64.exeexecutable
MD5:08AA5DB68A1F9E0387A408195855B568
SHA256:F73EBC3CEA0AF3442066E6FBE7A692C1DAF5A248001CA8D16F79D510DE8C2960
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_Resource_pt.dllexecutable
MD5:5BC22684812541291A5C325AE87A8C44
SHA256:B14C35B473BA71B152658FF019AE9BC29AC875485CAC74017D55AACC92E6515E
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\TeamViewer_Service.exeexecutable
MD5:0CC4A7EC3252404F69DEE38DA9405D9F
SHA256:0F2F75BC3C513D4F4148A596CAC509CADE725FA5AA0D87FF80C64D9CD557FF2A
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tv_w32.exeexecutable
MD5:46D050BC84F61F7D871C02E7EF807C7B
SHA256:1D2DF69444C31C9882CEE7B9304458FC3DA2C21ED2CAF45D7B9C3C706E46479C
3116QS_8.exeC:\Users\admin\AppData\Local\Temp\TeamViewer\Version8\tv_x64.dllexecutable
MD5:8F2576FC39361302D50D2DF45D369F5D
SHA256:AE338D95878E1DA085750E4BB2801444F348FCE06CE72E05C2841DBE1128FD44
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
0

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
2256
TeamViewer.exe
195.244.97.222:5938
PlusServer GmbH
DE
suspicious
185.188.32.5:5938
master5.teamviewer.com
TeamViewer GmbH
DE
suspicious
2256
TeamViewer.exe
188.172.198.158:5938
ping3.teamviewer.com
ANEXIA Internetdienstleistungs GmbH
GB
suspicious
2256
TeamViewer.exe
185.188.32.5:5938
master5.teamviewer.com
TeamViewer GmbH
DE
suspicious

DNS requests

Domain
IP
Reputation
ping3.teamviewer.com
  • 188.172.198.158
  • 213.227.162.126
  • 188.172.246.190
  • 188.172.219.158
  • 213.227.168.190
shared
master5.teamviewer.com
  • 185.188.32.5
shared

Threats

PID
Process
Class
Message
2256
TeamViewer.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] TeamViewer connection
2256
TeamViewer.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] TeamViewer connection
2256
TeamViewer.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] TeamViewer negotiation
No debug info