URL:

http://a4.doshimotai.ru/pxpx.exe

Full analysis: https://app.any.run/tasks/e3a6fb38-99e0-49f7-8778-99749c9c5f01
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: March 19, 2019, 20:07:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
trojan
rat
quasar
Indicators:
MD5:

5118C8DD1FFE8BC3F5E83E62EEB1F592

SHA1:

90E5FA8E6AF3FAADD24474DB3513825C966311A3

SHA256:

95C912F7ACEAD0967B333ABD58DE1B0DE741304EB1FE6E4E33DEF5741774C756

SSDEEP:

3:N1KfbMTVd0C:CDGVd0C

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

      • pxpx[1].exe (PID: 2052)
    • QUASAR was detected

      • pxpx[1].exe (PID: 2052)
    • Changes settings of System certificates

      • pxpx[1].exe (PID: 2052)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 2852)
      • iexplore.exe (PID: 3336)
    • Reads the cookies of Google Chrome

      • pxpx[1].exe (PID: 2052)
    • Checks for external IP

      • pxpx[1].exe (PID: 2052)
    • Adds / modifies Windows certificates

      • pxpx[1].exe (PID: 2052)
    • Connects to unusual port

      • pxpx[1].exe (PID: 2052)
    • Reads the cookies of Mozilla Firefox

      • pxpx[1].exe (PID: 2052)
  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 2852)
    • Reads settings of System Certificates

      • iexplore.exe (PID: 3336)
    • Application launched itself

      • iexplore.exe (PID: 2852)
    • Creates files in the user directory

      • iexplore.exe (PID: 3336)
      • iexplore.exe (PID: 2852)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3336)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start iexplore.exe iexplore.exe #QUASAR pxpx[1].exe explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2852"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
3336"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2852 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
2052"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\pxpx[1].exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\pxpx[1].exe
iexplore.exe
User:
admin
Company:
Symantec
Integrity Level:
MEDIUM
Description:
pxpx.exe
Version:
7.1.0.0
2980"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)
Total events
748
Read events
671
Write events
72
Delete events
5

Modification events

(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{B134CDE7-4A82-11E9-BAD8-5254004A04AF}
Value:
0
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
3
(PID) Process:(2852) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E3070300020013001400080000001F02
Executable files
2
Suspicious files
1
Text files
4
Unknown types
8

Dropped files

PID
Process
Filename
Type
2852iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\favicon[1].ico
MD5:
SHA256:
2852iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
MD5:
SHA256:
2852iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF41B310D3F6F7A619.TMP
MD5:
SHA256:
2852iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF97619FE50D94AB80.TMP
MD5:
SHA256:
2852iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{B134CDE7-4A82-11E9-BAD8-5254004A04AF}.dat
MD5:
SHA256:
3336iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\MSHist012019031920190320\index.datdat
MD5:80AE162F896C476DD994BC19B1C4A3E7
SHA256:EB4633C9CE5C76786AD162FAF991EE1D115E8D5AA2850BDF84782D12FB70FFA9
2852iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\History.IE5\MSHist012019031920190320\index.datdat
MD5:8606F7AC80FB9B0E99DDE57DE0D66DC7
SHA256:8084BBD89E3200589642EA9247F6302E3C8A354E6497F0483C8E56C42DB615AE
2852iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\pxpx[1].exeexecutable
MD5:89782B6CDAAAB7848D544255D5FE7002
SHA256:FFEE8C0DAAD6B88B91AE8F12C4564A9A7986FC55497CACF09732737893E0C186
2852iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\favicon[3].pngimage
MD5:9FB559A691078558E77D6848202F6541
SHA256:6D8A01DC7647BC218D003B58FE04049E24A9359900B7E0CEBAE76EDF85B8B914
2852iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{B134CDE8-4A82-11E9-BAD8-5254004A04AF}.datbinary
MD5:79691A79469D3860F0BFE3409BE9BBA1
SHA256:0B362D924B828D4BFF694EC01F1B3C5230394D8CE107DD5ACA2C344984039ED0
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
6
DNS requests
4
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2852
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
3336
iexplore.exe
GET
302
81.177.140.55:80
http://a4.doshimotai.ru/pxpx.exe
RU
html
154 b
malicious
2052
pxpx[1].exe
GET
101
185.181.9.115:2012
http://185.181.9.115:2012/websocket
GB
unknown
2052
pxpx[1].exe
GET
200
185.194.141.58:80
http://ip-api.com/json/
DE
text
264 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2852
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3336
iexplore.exe
81.177.140.55:80
a4.doshimotai.ru
JSC RTComm.RU
RU
malicious
3336
iexplore.exe
81.177.140.55:443
a4.doshimotai.ru
JSC RTComm.RU
RU
malicious
2052
pxpx[1].exe
185.181.9.115:2012
Clouvider Limited
GB
unknown
2052
pxpx[1].exe
81.177.141.23:443
domekan.ru
JSC RTComm.RU
RU
malicious
2052
pxpx[1].exe
185.194.141.58:80
ip-api.com
netcup GmbH
DE
malicious

DNS requests

Domain
IP
Reputation
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
a4.doshimotai.ru
  • 81.177.140.55
malicious
domekan.ru
  • 81.177.141.23
malicious
ip-api.com
  • 185.194.141.58
shared

Threats

PID
Process
Class
Message
2052
pxpx[1].exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2052
pxpx[1].exe
A Network Trojan was detected
MALWARE [PTsecurity] Quasar 1.3 RAT IP Lookup ip-api.com (HTTP headeer)
1 ETPRO signatures available at the full report
No debug info