URL:

https://download.sysinternals.com/files/PSTools.zip

Full analysis: https://app.any.run/tasks/0397d537-75dc-4727-8764-6bc7e651fd67
Verdict: Malicious activity
Analysis date: October 23, 2023, 09:06:20
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
SHA1:

D2BAA16324496F8E3DF5D40BD05DF18F2A1A00BE

SHA256:

5403E823C9DF9CE455C21E033C14504DA3A98AA7ACD772C8628A15161CCB891D

SSDEEP:

3:N8SElyKAXHx0K8ycn:2SKybUn

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

    No malicious indicators.

  • SUSPICIOUS

    • Powershell version downgrade attack

      • powershell.exe (PID: 1580)

    • The process creates files with name similar to system file names

      • WinRAR.exe (PID: 3320)

  • INFO

    • Application launched itself

      • firefox.exe (PID: 3820)
      • firefox.exe (PID: 592)

    • The process uses the downloaded file

      • firefox.exe (PID: 592)
      • WinRAR.exe (PID: 3320)

    • Manual execution by a user

      • WinRAR.exe (PID: 3320)
      • powershell.exe (PID: 1580)

    • Drops the executable file immediately after the start

      • firefox.exe (PID: 592)
      • WinRAR.exe (PID: 3320)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
50
Monitored processes
12
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs winrar.exe no specs powershell.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
592"C:\Program Files\Mozilla Firefox\firefox.exe" https://download.sysinternals.com/files/PSTools.zipC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\api-ms-win-crt-runtime-l1-1-0.dll
960"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="592.6.1065863784\1686300281" -childID 5 -isForBrowser -prefsHandle 4012 -prefMapHandle 4016 -prefsLen 29313 -prefMapSize 244195 -jsInitHandle 872 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ca5bce5c-f354-43fa-b7ea-b4d5a2d584ac} 592 "\\.\pipe\gecko-crash-server-pipe.592" 3996 19e46c90 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
1580"C:\WINDOWS\system32\WindowsPowerShell\v1.0\powershell.exe" C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\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\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\atl.dll
c:\windows\system32\user32.dll
1920"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="592.4.1038260120\1300497356" -childID 3 -isForBrowser -prefsHandle 3684 -prefMapHandle 1644 -prefsLen 34332 -prefMapSize 244195 -jsInitHandle 872 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f5c51989-6968-46e6-9bee-4baf757bb7e6} 592 "\\.\pipe\gecko-crash-server-pipe.592" 3704 186fd3f0 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
2900"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="592.1.1864120246\109518882" -parentBuildID 20230710165010 -prefsHandle 1396 -prefMapHandle 1392 -prefsLen 28600 -prefMapSize 244195 -appDir "C:\Program Files\Mozilla Firefox\browser" - {93b84602-963d-46d0-bd2c-8a581eb0f78f} 592 "\\.\pipe\gecko-crash-server-pipe.592" 1408 f4321a0 socketC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
3320"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Downloads\PSTools.zip" C:\Users\admin\Downloads\PSTools\C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\program files\winrar\winrar.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
3756"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="592.7.1167621789\200222947" -childID 6 -isForBrowser -prefsHandle 4268 -prefMapHandle 4272 -prefsLen 29406 -prefMapSize 244195 -jsInitHandle 872 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9a9f8eff-3ef5-4735-96f3-75fddbf18ad4} 592 "\\.\pipe\gecko-crash-server-pipe.592" 4016 19e46f70 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\vcruntime140.dll
c:\program files\mozilla firefox\api-ms-win-crt-runtime-l1-1-0.dll
3780"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="592.3.1422001048\544847082" -childID 2 -isForBrowser -prefsHandle 2848 -prefMapHandle 2836 -prefsLen 34225 -prefMapSize 244195 -jsInitHandle 872 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {cbc990ed-5f7c-408e-9b46-3d470954109c} 592 "\\.\pipe\gecko-crash-server-pipe.592" 2860 16331f70 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\crypt32.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\api-ms-win-crt-runtime-l1-1-0.dll
3820"C:\Program Files\Mozilla Firefox\firefox.exe" "https://download.sysinternals.com/files/PSTools.zip"C:\Program Files\Mozilla Firefox\firefox.exe—explorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcrt.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\crypt32.dll
c:\program files\mozilla firefox\vcruntime140.dll
3828"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="592.2.207526860\1157252166" -childID 1 -isForBrowser -prefsHandle 2016 -prefMapHandle 2012 -prefsLen 24491 -prefMapSize 244195 -jsInitHandle 872 -jsInitLen 240908 -parentBuildID 20230710165010 -appDir "C:\Program Files\Mozilla Firefox\browser" - {66b942b6-3dc7-4400-9eb0-de9db59b47e7} 592 "\\.\pipe\gecko-crash-server-pipe.592" 2028 127816d0 tabC:\Program Files\Mozilla Firefox\firefox.exe—firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Exit code:
0
Version:
115.0.2
Modules
Images
c:\windows\system32\ntdll.dll
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\crypt32.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\msvcrt.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\program files\mozilla firefox\api-ms-win-crt-runtime-l1-1-0.dll
Total events
11 641
Read events
11 540
Write events
101
Delete events
0

Modification events

(PID) Process:(3820) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Launcher
Value:
2166C0A101000000
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Browser
Value:
044CC1A101000000
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Launcher
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Telemetry
Value:
0
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Theme
Value:
1
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe|Enabled
Value:
1
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableTelemetry
Value:
1
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|DisableDefaultBrowserAgent
Value:
0
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|SetDefaultBrowserUserChoice
Value:
1
(PID) Process:(592) firefox.exeKey:HKEY_CURRENT_USER\Software\Mozilla\Firefox\Default Browser Agent
Operation:writeName:C:\Program Files\Mozilla Firefox|AppLastRunTime
Value:
D14E5F3C23B0D901
Executable files
30
Suspicious files
134
Text files
36
Unknown types
0

Dropped files

PID
Process
Filename
Type
592firefox.exeC:\Users\admin\Downloads\PSTools.nkYzyqh8.zip.part —
MD5:—
SHA256:—
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\3561288849sdhlie.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.jstext
MD5:60E0DE9E05EC76C749D80F0D15A81B21
SHA256:08252FA62CCCCD316474E20CC7317A6B5C932B2C972234318E8CCDA39EC2EF48
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\1657114595AmcateirvtiSty.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\cert9.db-journalbinary
MD5:51E9EBB2D843F02C0FC292FBAB246B5A
SHA256:80AB1D1137AE397C4D919FA5AE2187D587ECA2187A147662C58DCDE857C70AD5
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\storage\permanent\chrome\idb\2918063365piupsah.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
592firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs.jstext
MD5:60E0DE9E05EC76C749D80F0D15A81B21
SHA256:08252FA62CCCCD316474E20CC7317A6B5C932B2C972234318E8CCDA39EC2EF48
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
24
TCP/UDP connections
56
DNS requests
130
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
592
firefox.exe
GET
—
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
unknown
—
—
unknown
592
firefox.exe
POST
200
184.24.77.53:80
http://r3.o.lencr.org/
unknown
binary
503 b
unknown
592
firefox.exe
POST
200
142.250.181.227:80
http://ocsp.pki.goog/gts1c3
unknown
der
472 b
unknown
592
firefox.exe
POST
200
184.24.77.53:80
http://r3.o.lencr.org/
unknown
binary
503 b
unknown
592
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
unknown
binary
471 b
unknown
592
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
unknown
binary
471 b
unknown
592
firefox.exe
GET
200
23.53.40.129:80
http://ciscobinary.openh264.org/openh264-win32-31c4d2e4a037526fd30d4e5c39f60885986cf865.zip
unknown
compressed
461 Kb
unknown
592
firefox.exe
POST
200
142.250.181.227:80
http://ocsp.pki.goog/gts1c3
unknown
binary
472 b
unknown
592
firefox.exe
POST
200
184.24.77.54:80
http://r3.o.lencr.org/
unknown
binary
503 b
unknown
592
firefox.exe
POST
200
192.229.221.95:80
http://ocsp.digicert.com/
unknown
binary
471 b
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
592
firefox.exe
152.199.19.160:443
download.sysinternals.com
EDGECAST
US
whitelisted
592
firefox.exe
184.24.77.54:80
r3.o.lencr.org
Akamai International B.V.
DE
unknown
592
firefox.exe
184.24.77.53:80
r3.o.lencr.org
Akamai International B.V.
DE
unknown
592
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
592
firefox.exe
34.117.237.239:443
contile.services.mozilla.com
GOOGLE-CLOUD-PLATFORM
US
unknown
592
firefox.exe
54.86.121.215:443
spocs.getpocket.com
AMAZON-AES
US
unknown
592
firefox.exe
34.149.100.209:443
firefox.settings.services.mozilla.com
GOOGLE
US
unknown
592
firefox.exe
142.250.185.202:443
safebrowsing.googleapis.com
GOOGLE
US
whitelisted

DNS requests

Domain
IP
Reputation
download.sysinternals.com
  • 152.199.19.160
whitelisted
detectportal.firefox.com
  • 34.107.221.82
whitelisted
cs22.wpc.v0cdn.net
  • 152.199.19.160
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
contile.services.mozilla.com
  • 34.117.237.239
whitelisted
spocs.getpocket.com
  • 54.86.121.215
  • 44.205.83.8
  • 34.192.30.2
  • 3.221.31.29
shared
proxyserverecs-1736642167.us-east-1.elb.amazonaws.com
  • 44.205.83.8
  • 34.192.30.2
  • 3.221.31.29
  • 54.86.121.215
shared
example.org
  • 93.184.216.34
whitelisted
ipv4only.arpa
  • 192.0.0.170
  • 192.0.0.171
whitelisted
firefox.settings.services.mozilla.com
  • 34.149.100.209
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://download.sysinternals.com/files/PSTools.zip