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File name:

Netchecker.rar

Full analysis: https://app.any.run/tasks/85816a49-9140-407a-bddc-7761191ad26c
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: December 18, 2018, 17:20:41
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
evasion
trojan
rat
quasar
Indicators:
MIME: application/x-rar
File info: RAR archive data, v4, os: Win32
MD5:

1CC4C0534F0B0259A8D4279613C124FC

SHA1:

EC92A47A752B159B6655FC58D3C3AC600D5CD934

SHA256:

9B02799BD0A87ED93BD59FFC2BFB43E35B91A96FFB0C03F471D9994A9F6E0280

SSDEEP:

49152:Fr6vbKQh0+JctQ9Y7Wse5PwhinjE94Z69jqFy598QleN:FWvblhjiiI5jqFy5IN

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

      • NetChecker.exe (PID: 3328)
      • WindowsDefender.exe (PID: 3152)
    • Loads dropped or rewritten executable

      • SearchProtocolHost.exe (PID: 1936)
    • QUASAR was detected

      • Regasm.exe (PID: 2608)
  • SUSPICIOUS

    • Creates files in the user directory

      • NetChecker.exe (PID: 3328)
    • Executable content was dropped or overwritten

      • NetChecker.exe (PID: 3328)
      • WinRAR.exe (PID: 2152)
    • Starts itself from another location

      • NetChecker.exe (PID: 3328)
    • Connects to unusual port

      • Regasm.exe (PID: 2608)
    • Checks for external IP

      • Regasm.exe (PID: 2608)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rar | RAR compressed archive (v-4.x) (58.3)
.rar | RAR compressed archive (gen) (41.6)

EXIF

ZIP

CompressedSize: 126256
UncompressedSize: 338944
OperatingSystem: Win32
ModifyDate: 2018:09:21 17:39:00
PackingMethod: Normal
ArchivedFileName: Netchecker\api.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
6
Malicious processes
3
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start winrar.exe no specs winrar.exe searchprotocolhost.exe no specs netchecker.exe windowsdefender.exe #QUASAR regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
2956"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Netchecker.rar"C:\Program Files\WinRAR\WinRAR.exeexplorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
2152"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\Netchecker.rar" C:\Users\admin\Desktop\C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
1936"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe2_ Global\UsGthrCtrlFltPipeMssGthrPipe2 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" C:\Windows\System32\SearchProtocolHost.exeSearchIndexer.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft Windows Search Protocol Host
Exit code:
0
Version:
7.00.7600.16385 (win7_rtm.090713-1255)
3328"C:\Users\admin\Desktop\Netchecker\NetChecker.exe" C:\Users\admin\Desktop\Netchecker\NetChecker.exe
explorer.exe
User:
admin
Company:
GitHub
Integrity Level:
MEDIUM
Description:
Update.exe
Exit code:
0
Version:
1.1.1.0
3152"C:\Users\admin\AppData\Roaming\WindowsDefender.exe" C:\Users\admin\AppData\Roaming\WindowsDefender.exe
NetChecker.exe
User:
admin
Company:
GitHub
Integrity Level:
MEDIUM
Description:
Update.exe
Exit code:
0
Version:
1.1.1.0
2608"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe
WindowsDefender.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Version:
4.6.1055.0 built by: NETFXREL2
Total events
1 269
Read events
1 214
Write events
0
Delete events
0

Modification events

No data
Executable files
6
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2152WinRAR.exeC:\Users\admin\Desktop\Netchecker\NetChecker.exeexecutable
MD5:86E6E0051619E301E3CC1740E9BA1DA4
SHA256:E61E3CF3F799DE14684DF5B20C01DFBC5FCD0ADD0AED80D2C4D6FB5523C57378
2152WinRAR.exeC:\Users\admin\Desktop\Netchecker\api.dllexecutable
MD5:8152E9D15C022E601EFA9DA3A3BEFD71
SHA256:4457EF2BA0D3B802CDC5384F044C9CBDDAB6FC8B25AAD794B4BCE3249D106054
2152WinRAR.exeC:\Users\admin\Desktop\Netchecker\Connection.dllexecutable
MD5:8152E9D15C022E601EFA9DA3A3BEFD71
SHA256:4457EF2BA0D3B802CDC5384F044C9CBDDAB6FC8B25AAD794B4BCE3249D106054
3328NetChecker.exeC:\Users\admin\AppData\Roaming\WindowsDefender.exeexecutable
MD5:86E6E0051619E301E3CC1740E9BA1DA4
SHA256:E61E3CF3F799DE14684DF5B20C01DFBC5FCD0ADD0AED80D2C4D6FB5523C57378
2152WinRAR.exeC:\Users\admin\Desktop\Netchecker\SkinSoft.VisualStyler.dllexecutable
MD5:2D84A619D4BD339F860CB48AF0C9B6C8
SHA256:365FFDE7DF914840EB21C96F34C39912A4B031E3814B8E902B67ACEE6DFF65A1
2152WinRAR.exeC:\Users\admin\Desktop\Netchecker\xNet.dllexecutable
MD5:3DF8D87A482EFAD957D83819ADB3020F
SHA256:2AC175B4D44245EE8E7AEE9CC36DF86925EF903D8516F20A2C51D84E35F23DA4
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2608
Regasm.exe
GET
200
185.194.141.58:80
http://ip-api.com/json/
DE
text
282 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
2608
Regasm.exe
5.2.67.66:3124
nicereverse.ooguy.com
Liteserver VOF
NL
malicious
2608
Regasm.exe
185.194.141.58:80
ip-api.com
netcup GmbH
DE
unknown

DNS requests

Domain
IP
Reputation
ip-api.com
  • 185.194.141.58
shared
nicereverse.ooguy.com
  • 5.2.67.66
malicious

Threats

PID
Process
Class
Message
2608
Regasm.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2608
Regasm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Quasar 1.3 RAT IP Lookup ip-api.com (HTTP headeer)
2608
Regasm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Quasar RAT
1 ETPRO signatures available at the full report
Process
Message
NetChecker.exe
*** HR originated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
NetChecker.exe
*** HR propagated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
NetChecker.exe
*** HR propagated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
NetChecker.exe
*** HR propagated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
NetChecker.exe
*** HR originated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
NetChecker.exe
*** HR propagated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
NetChecker.exe
*** HR originated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
NetChecker.exe
*** HR propagated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
WindowsDefender.exe
*** HR originated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
WindowsDefender.exe
*** HR propagated: -2147024774 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278