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URL:

https://www.dropbox.com/s/3qx86k2oabnwnq4/?dl=1

Full analysis: https://app.any.run/tasks/9a8d0b46-883a-403d-bb78-db051121913b
Verdict: Malicious activity
Threats:

Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely.

Analysis date: August 08, 2020, 10:48:24
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
trojan
rat
quasar
Indicators:
MD5:

D989FF97FFBF14EFD3DF4025AD98C86D

SHA1:

417C7981AEFF52D09A39543625E1D986AEBD9E65

SHA256:

D1593D4C18A8EEB69DBA9A703DA63A463EC18D2FD7D34CC60A4B07CAA3EEE086

SSDEEP:

3:N8DSLcVHGkGdiLKSYUn:2OLHkKi+An

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

      • Purchase Order.scr (PID: 1484)
      • qcpdpja.pif (PID: 564)
      • RegSvcs.exe (PID: 2248)
      • qcpdpja.pif (PID: 2760)
      • RegSvcs.exe (PID: 3632)
      • RegSvcs.exe (PID: 968)
      • RegSvcs.exe (PID: 2488)
    • Changes the autorun value in the registry

      • RegSvcs.exe (PID: 2248)
      • RegSvcs.exe (PID: 968)
      • qcpdpja.pif (PID: 564)
      • qcpdpja.pif (PID: 2760)
    • Writes to a start menu file

      • qcpdpja.pif (PID: 564)
      • qcpdpja.pif (PID: 2760)
    • Runs PING.EXE for delay simulation

      • cmd.exe (PID: 1680)
      • cmd.exe (PID: 2384)
    • QUASAR was detected

      • RegSvcs.exe (PID: 2248)
      • RegSvcs.exe (PID: 968)
  • SUSPICIOUS

    • Creates files in the program directory

      • firefox.exe (PID: 1492)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2664)
      • Purchase Order.scr (PID: 1484)
      • qcpdpja.pif (PID: 564)
      • qcpdpja.pif (PID: 2760)
    • Starts application with an unusual extension

      • Purchase Order.scr (PID: 1484)
      • cmd.exe (PID: 1680)
      • WScript.exe (PID: 1728)
      • cmd.exe (PID: 2384)
    • Starts MSHTA.EXE for opening HTA or HTMLS files

      • qcpdpja.pif (PID: 564)
      • qcpdpja.pif (PID: 2760)
    • Starts CMD.EXE for commands execution

      • RegSvcs.exe (PID: 2248)
      • RegSvcs.exe (PID: 968)
    • Creates files in the user directory

      • qcpdpja.pif (PID: 564)
    • Checks for external IP

      • RegSvcs.exe (PID: 2248)
      • RegSvcs.exe (PID: 968)
    • Executes scripts

      • qcpdpja.pif (PID: 564)
  • INFO

    • Application launched itself

      • firefox.exe (PID: 1492)
      • firefox.exe (PID: 2744)
    • Reads CPU info

      • firefox.exe (PID: 1492)
    • Reads Internet Cache Settings

      • firefox.exe (PID: 1492)
    • Creates files in the user directory

      • firefox.exe (PID: 1492)
    • Manual execution by user

      • explorer.exe (PID: 2372)
      • Purchase Order.scr (PID: 1484)
    • Dropped object may contain Bitcoin addresses

      • Purchase Order.scr (PID: 1484)
    • Reads internet explorer settings

      • mshta.exe (PID: 2488)
      • mshta.exe (PID: 4028)
      • mshta.exe (PID: 3120)
      • mshta.exe (PID: 3740)
      • mshta.exe (PID: 848)
      • mshta.exe (PID: 2188)
      • mshta.exe (PID: 3372)
      • mshta.exe (PID: 1172)
      • mshta.exe (PID: 3332)
      • mshta.exe (PID: 2640)
      • mshta.exe (PID: 3688)
      • mshta.exe (PID: 3188)
      • mshta.exe (PID: 2504)
      • mshta.exe (PID: 3344)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
84
Monitored processes
36
Malicious processes
6
Suspicious processes
2

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe firefox.exe firefox.exe winrar.exe explorer.exe no specs purchase order.scr qcpdpja.pif mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs #QUASAR regsvcs.exe cmd.exe no specs chcp.com no specs ping.exe no specs regsvcs.exe no specs wscript.exe no specs qcpdpja.pif mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs mshta.exe no specs #QUASAR regsvcs.exe cmd.exe no specs chcp.com no specs ping.exe no specs regsvcs.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2744"C:\Program Files\Mozilla Firefox\firefox.exe" "https://www.dropbox.com/s/3qx86k2oabnwnq4/?dl=1"C:\Program Files\Mozilla Firefox\firefox.exeexplorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
1492"C:\Program Files\Mozilla Firefox\firefox.exe" https://www.dropbox.com/s/3qx86k2oabnwnq4/?dl=1C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
3888"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1492.0.1563701793\925911393" -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1492 "\\.\pipe\gecko-crash-server-pipe.1492" 1200 gpuC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
3828"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1492.3.1398125226\270211373" -childID 1 -isForBrowser -prefsHandle 1732 -prefMapHandle 1728 -prefsLen 1 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1492 "\\.\pipe\gecko-crash-server-pipe.1492" 1752 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
2892"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1492.13.1749067328\1148670940" -childID 2 -isForBrowser -prefsHandle 2896 -prefMapHandle 2900 -prefsLen 5996 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1492 "\\.\pipe\gecko-crash-server-pipe.1492" 2916 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
2380"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1492.20.1833761931\967597261" -childID 3 -isForBrowser -prefsHandle 3812 -prefMapHandle 3816 -prefsLen 7565 -prefMapSize 191824 -parentBuildID 20190717172542 -greomni "C:\Program Files\Mozilla Firefox\omni.ja" -appomni "C:\Program Files\Mozilla Firefox\browser\omni.ja" -appdir "C:\Program Files\Mozilla Firefox\browser" - 1492 "\\.\pipe\gecko-crash-server-pipe.1492" 3828 tabC:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
LOW
Description:
Firefox
Version:
68.0.1
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
2664"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Downloads\Purchase Order.tbz2"C:\Program Files\WinRAR\WinRAR.exe
firefox.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
2372"C:\Windows\explorer.exe" C:\Windows\explorer.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\system32\gdi32.dll
c:\windows\system32\user32.dll
1484"C:\Users\admin\Desktop\Purchase Order.scr" /SC:\Users\admin\Desktop\Purchase Order.scr
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\purchase order.scr
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
564"C:\Users\admin\45564445\qcpdpja.pif" tibblhklv.dogC:\Users\admin\45564445\qcpdpja.pif
Purchase Order.scr
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Write
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\users\admin\45564445\qcpdpja.pif
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
Total events
4 166
Read events
3 742
Write events
0
Delete events
0

Modification events

No data
Executable files
4
Suspicious files
66
Text files
67
Unknown types
51

Dropped files

PID
Process
Filename
Type
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\startupCache\scriptCache-current.bin
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\prefs-1.js
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\sessionCheckpoints.json.tmp
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\search.json.mozlz4.tmp
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\allow-flashallow-digest256.pset
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\allow-flashallow-digest256.sbstore
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\base-track-digest256.pset
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\base-track-digest256.sbstore
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\block-flash-digest256.pset
MD5:
SHA256:
1492firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\qldyz51w.default\safebrowsing-updating\block-flash-digest256.sbstore
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
13
TCP/UDP connections
37
DNS requests
80
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
968
RegSvcs.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
text
255 b
shared
2248
RegSvcs.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
text
255 b
shared
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1492
firefox.exe
POST
200
93.184.220.29:80
http://ocsp.digicert.com/
US
der
471 b
whitelisted
1492
firefox.exe
GET
200
2.16.177.18:80
http://detectportal.firefox.com/success.txt
unknown
text
8 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
1492
firefox.exe
162.125.66.1:443
www.dropbox.com
Dropbox, Inc.
DE
shared
1492
firefox.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1492
firefox.exe
143.204.201.119:443
snippets.cdn.mozilla.net
US
suspicious
1492
firefox.exe
54.71.254.220:443
push.services.mozilla.com
Amazon.com, Inc.
US
unknown
1492
firefox.exe
143.204.201.78:443
snippets.cdn.mozilla.net
US
malicious
1492
firefox.exe
52.25.145.219:443
search.services.mozilla.com
Amazon.com, Inc.
US
unknown
1492
firefox.exe
2.16.177.18:80
detectportal.firefox.com
Akamai International B.V.
unknown
1492
firefox.exe
143.204.201.20:443
content-signature-2.cdn.mozilla.net
US
unknown
1492
firefox.exe
216.58.207.42:443
safebrowsing.googleapis.com
Google Inc.
US
whitelisted
1492
firefox.exe
172.217.16.131:80
ocsp.pki.goog
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.dropbox.com
  • 162.125.66.1
shared
detectportal.firefox.com
  • 2.16.177.18
  • 2.16.177.88
whitelisted
a1089.dscd.akamai.net
  • 2.16.177.88
  • 2.16.177.18
whitelisted
www.dropbox-dns.com
  • 162.125.66.1
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
cs9.wac.phicdn.net
  • 93.184.220.29
whitelisted
search.services.mozilla.com
  • 52.25.145.219
  • 34.215.30.140
  • 52.89.139.159
whitelisted
search.r53-2.services.mozilla.com
  • 52.89.139.159
  • 34.215.30.140
  • 52.25.145.219
whitelisted
push.services.mozilla.com
  • 54.71.254.220
whitelisted
autopush.prod.mozaws.net
  • 54.71.254.220
whitelisted

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
Potentially Bad Traffic
ET INFO Observed DNS Query to .cloud TLD
2248
RegSvcs.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2248
RegSvcs.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
2248
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] Quasar.RAT IP Lookup
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
968
RegSvcs.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
968
RegSvcs.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
968
RegSvcs.exe
A Network Trojan was detected
REMOTE [PTsecurity] Quasar.RAT IP Lookup
2 ETPRO signatures available at the full report
No debug info