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File name:

cotnau.exe

Full analysis: https://app.any.run/tasks/afc93e14-f80b-4e1d-80f1-beab41a0f4de
Verdict: Malicious activity
Analysis date: June 12, 2019, 03:52:24
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

90DD19A1153FE7E8C2A0B52EA9EFB4CB

SHA1:

BDA6977E44E4A00DDD330087670107910C434C0C

SHA256:

E28128CCB068664A3B46AA9EB36E7F0AA1AB856415F2917FC1A28CE4B43BDB3F

SSDEEP:

12288:CrssqN3F7DCsDfwIiHRiqvb0WPuO5lEBsTY0YAaA6:gssmlDTjwIiHYqz0qr5lEBmN

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

    • Stops/Deletes Windows Defender service via SC.exe

      • cmd.exe (PID: 2888)
      • cmd.exe (PID: 3960)
      • cmd.exe (PID: 804)
      • cmd.exe (PID: 2504)
      • cmd.exe (PID: 2628)
      • cmd.exe (PID: 3016)

    • Executes PowerShell scripts

      • cmd.exe (PID: 3812)

    • Known privilege escalation attack

      • DllHost.exe (PID: 3208)

    • Disables Windows Defender Real-time monitoring

      • cqtpau.exe (PID: 2476)

    • Loads the Task Scheduler COM API

      • cqtpau.exe (PID: 2476)

  • SUSPICIOUS

    • Executes PowerShell scripts

      • cmd.exe (PID: 2924)
      • cmd.exe (PID: 2624)

    • Creates files in the user directory

      • cotnau.exe (PID: 3108)
      • powershell.exe (PID: 3884)
      • powershell.exe (PID: 1908)
      • powershell.exe (PID: 4056)

    • Starts CMD.EXE for commands execution

      • cotnau.exe (PID: 3108)
      • cqtpau.exe (PID: 2476)

    • Executable content was dropped or overwritten

      • cotnau.exe (PID: 3108)

    • Executed via COM

      • DllHost.exe (PID: 3208)

    • Modifies files in Chrome extension folder

      • chrome.exe (PID: 4076)

  • INFO

    • Manual execution by user

      • chrome.exe (PID: 4076)
      • opera.exe (PID: 3784)
      • iexplore.exe (PID: 2720)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3252)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3252)

    • Reads settings of System Certificates

      • chrome.exe (PID: 4076)

    • Application launched itself

      • iexplore.exe (PID: 2720)
      • chrome.exe (PID: 4076)

    • Changes internet zones settings

      • iexplore.exe (PID: 2720)

    • Creates files in the user directory

      • iexplore.exe (PID: 3252)
      • opera.exe (PID: 3784)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (33)
.exe | Win32 Executable MS Visual C++ (generic) (23.9)
.exe | Win64 Executable (generic) (21.2)
.scr | Windows screen saver (10)
.dll | Win32 Dynamic Link Library (generic) (5)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x11102
UninitializedDataSize: -
InitializedDataSize: 372736
CodeSize: 286720
LinkerVersion: 7.1
PEType: PE32
TimeStamp: 2019:06:11 12:45:49+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 11-Jun-2019 10:45:49
Detected languages:
  • English - United States

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: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 11-Jun-2019 10:45:49
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
.text
0x00001000
0x0004599E
0x00046000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.55455
.rdata
0x00047000
0x0004CBEE
0x0004D000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.2158
.data
0x00094000
0x00006284
0x00003000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.19725
.rsrc
0x0009B000
0x00006160
0x00007000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.30361

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.02695
308
UNKNOWN
English - United States
RT_CURSOR
2
2.74274
180
UNKNOWN
English - United States
RT_CURSOR
3
2.34038
308
UNKNOWN
English - United States
RT_CURSOR
4
2.34004
308
UNKNOWN
English - United States
RT_CURSOR
5
2.51649
308
UNKNOWN
English - United States
RT_CURSOR
6
2.45401
308
UNKNOWN
English - United States
RT_CURSOR
7
2.34864
308
UNKNOWN
English - United States
RT_CURSOR
8
2.34505
308
UNKNOWN
English - United States
RT_CURSOR
9
2.66572
156
UNKNOWN
English - United States
RT_STRING
10
2.31114
308
UNKNOWN
English - United States
RT_CURSOR

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
OLEACC.dll (delay-loaded)
OLEAUT32.dll
SHELL32.dll
SHLWAPI.dll
USER32.dll
WINSPOOL.DRV
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
87
Monitored processes
44
Malicious processes
4
Suspicious processes
6

Behavior graph

Click at the process to see the details
start cotnau.exe cmd.exe no specs sc.exe no specs cmd.exe no specs cmd.exe no specs sc.exe no specs powershell.exe no specs CMSTPLUA no specs cqtpau.exe no specs cmd.exe no specs cmd.exe no specs cmd.exe no specs powershell.exe no specs cmd.exe no specs sc.exe no specs sc.exe no specs sc.exe no specs cmd.exe no specs cmd.exe no specs sc.exe no specs powershell.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs opera.exe iexplore.exe iexplore.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3108"C:\Users\admin\AppData\Local\Temp\cotnau.exe" C:\Users\admin\AppData\Local\Temp\cotnau.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3960/c sc stop WinDefendC:\Windows\system32\cmd.exe—cotnau.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
5
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2464sc stop WinDefendC:\Windows\system32\sc.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
A tool to aid in developing services for WindowsNT
Exit code:
5
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2888/c sc delete WinDefendC:\Windows\system32\cmd.exe—cotnau.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
5
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2924/c powershell Set-MpPreference -DisableRealtimeMonitoring $trueC:\Windows\system32\cmd.exe—cotnau.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3748sc delete WinDefendC:\Windows\system32\sc.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
A tool to aid in developing services for WindowsNT
Exit code:
5
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3884powershell Set-MpPreference -DisableRealtimeMonitoring $trueC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3208C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2476"C:\Users\admin\AppData\Roaming\netcache\cqtpau.exe" C:\Users\admin\AppData\Roaming\netcache\cqtpau.exe—DllHost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
3812"C:\Windows\System32\cmd.exe" /c powershell Set-MpPreference -DisableRealtimeMonitoring $trueC:\Windows\System32\cmd.exe—cqtpau.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Total events
1 654
Read events
1 295
Write events
354
Delete events
5

Modification events

(PID) Process:(3108) cotnau.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
Operation:writeName:DisableAntiSpyware
Value:
1
(PID) Process:(3884) powershell.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3208) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3208) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2476) cqtpau.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2476) cqtpau.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2476) cqtpau.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
Operation:writeName:DisableAntiSpyware
Value:
1
(PID) Process:(2476) cqtpau.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection
Operation:writeName:DisableBehaviorMonitoring
Value:
1
(PID) Process:(2476) cqtpau.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection
Operation:writeName:DisableOnAccessProtection
Value:
1
(PID) Process:(2476) cqtpau.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection
Operation:writeName:DisableOnRealtimeEnable
Value:
1
Executable files
1
Suspicious files
91
Text files
142
Unknown types
5

Dropped files

PID
Process
Filename
Type
3884powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N5T8V31WDGYZ2HVMNP6B.temp —
MD5:—
SHA256:—
1908powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7OPL13TNV6DO5PSA4S20.temp —
MD5:—
SHA256:—
4056powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SQ62E663K5NTBFWBQ59Q.temp —
MD5:—
SHA256:—
4076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\index —
MD5:—
SHA256:—
4076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_0 —
MD5:—
SHA256:—
4076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_1 —
MD5:—
SHA256:—
4076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_2 —
MD5:—
SHA256:—
4076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_3 —
MD5:—
SHA256:—
4076chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000018.dbtmp —
MD5:—
SHA256:—
1908powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msbinary
MD5:5F9A7BF5388376D94C2EDCA422810BEC
SHA256:8B2183F4F2F735C231B1F81D46CB86CB1FB51168824DE82F3A9EA79C12CAF82C
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
21
DNS requests
18
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4076
chrome.exe
GET
200
64.15.117.47:80
http://r4---sn-oapm-guhl.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvMjJlQUFXRC12Ny1ldUFnMXF3SDlXZDlFZw/7319.128.0.1_pkedcjkdefgpdelpbcmbmeomcjbeemfm.crx?cms_redirect=yes&mip=31.204.154.121&mm=28&mn=sn-oapm-guhl&ms=nvh&mt=1560311436&mv=m&pl=23&shardbypass=yes
US
crx
842 Kb
whitelisted
4076
chrome.exe
GET
302
172.217.21.238:80
http://redirector.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvMjJlQUFXRC12Ny1ldUFnMXF3SDlXZDlFZw/7319.128.0.1_pkedcjkdefgpdelpbcmbmeomcjbeemfm.crx
US
html
507 b
whitelisted
3784
opera.exe
GET
200
93.184.220.29:80
http://crl4.digicert.com/DigiCertHighAssuranceEVRootCA.crl
US
der
543 b
whitelisted
2720
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4076
chrome.exe
172.217.22.110:443
apis.google.com
Google Inc.
US
whitelisted
4076
chrome.exe
172.217.23.131:443
ssl.gstatic.com
Google Inc.
US
whitelisted
4076
chrome.exe
172.217.16.195:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
4076
chrome.exe
172.217.16.142:443
clients1.google.com
Google Inc.
US
whitelisted
4076
chrome.exe
172.217.22.77:443
accounts.google.com
Google Inc.
US
whitelisted
4076
chrome.exe
172.217.22.3:443
www.google.com.ua
Google Inc.
US
whitelisted
4076
chrome.exe
216.58.207.35:443
www.gstatic.com
Google Inc.
US
whitelisted
3784
opera.exe
185.26.182.94:443
certs.opera.com
Opera Software AS
—
whitelisted
2720
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
—
—
93.184.220.29:80
crl4.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
clientservices.googleapis.com
  • 172.217.16.195
whitelisted
www.google.com.ua
  • 172.217.22.3
whitelisted
accounts.google.com
  • 172.217.22.77
shared
clients1.google.com
  • 172.217.16.142
whitelisted
ssl.gstatic.com
  • 172.217.23.131
whitelisted
www.gstatic.com
  • 216.58.207.35
whitelisted
apis.google.com
  • 172.217.22.110
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
certs.opera.com
  • 185.26.182.94
  • 185.26.182.93
whitelisted
crl4.digicert.com
  • 93.184.220.29
whitelisted

Threats

No threats detected
No debug info
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Reports
cotnau.exe