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)
    • Changes settings of System certificates

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

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

    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 3336)
      • iexplore.exe (PID: 2852)
    • 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)
    • Checks for external IP

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

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

    • Creates files in the user directory

      • iexplore.exe (PID: 2852)
      • iexplore.exe (PID: 3336)
    • Changes internet zones settings

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

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

      • 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 Malware configuration.
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
0
Delete events
0

Modification events

No data
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:
2852iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\IETldCache\index.datdat
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862
SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A
2052pxpx[1].exeC:\Users\admin\AppData\Local\Temp\tempDataBase2019-03-19T20_08_33.9961250+00_001818sqlite
MD5:8BB736AB1E4300EF81B27CDBF26D78B0
SHA256:7059AEA2275152A5390580485A2180143879F721C88A4CB0D7702A832751A952
2052pxpx[1].exeC:\Users\admin\AppData\Local\Temp\tempDataBase2019-03-19T20_08_34.0117500+00_001919sqlite
MD5:978812E75543B001E6E1C55FDC1DC3F8
SHA256:9E364189042BCAC04AF32C70B56D41EE49D9078660F087D0FC270E66FDDAF8E7
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\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\pxpx[1].exe:Zone.Identifiertext
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B
SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913
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
3336
iexplore.exe
81.177.140.55:443
a4.doshimotai.ru
JSC RTComm.RU
RU
malicious
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
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
2052
pxpx[1].exe
185.181.9.115:2012
Clouvider Limited
GB
unknown

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