URL:

https://fs05n2.sendspace.com/dl/cff695d0fa4c3b781f89bbe3a0312f60/5c37c6aa02ead991/q8dgmc/ExpressGen.rar

Full analysis: https://app.any.run/tasks/2a2e93d6-21fc-4ab2-a79e-ca79920f59d3
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: January 10, 2019, 22:28:06
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
trojan
rat
quasar
Indicators:
MD5:

66C5C48B94655F9490A47DC4811F9D25

SHA1:

31DEBC70214B60C82229C95AF8C22CD6C88F9DB8

SHA256:

0135914414C382758502092A57601F81E309AEF5CA3B775A85D0AA26DB0CC77D

SSDEEP:

3:N8hjLEvuGTaJZcQ/ERGtUBcHLGKQBSGTt9hTUN4X67On:22uKCh/LVHiFSERYNw

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

      • ExpressGen.exe (PID: 2732)
      • WindowsDefender.exe (PID: 3660)
      • ExpressGen.exe (PID: 3628)
      • ExpressGen.exe (PID: 2812)
      • WindowsDefender.exe (PID: 2608)
      • WindowsDefender.exe (PID: 4048)
      • ExpressGen.exe (PID: 2536)
    • Changes the autorun value in the registry

      • Regasm.exe (PID: 3696)
    • QUASAR was detected

      • Regasm.exe (PID: 3696)
  • SUSPICIOUS

    • Starts itself from another location

      • ExpressGen.exe (PID: 2732)
      • ExpressGen.exe (PID: 3628)
      • ExpressGen.exe (PID: 2812)
    • Executable content was dropped or overwritten

      • ExpressGen.exe (PID: 2732)
      • WinRAR.exe (PID: 2544)
      • ExpressGen.exe (PID: 2812)
      • ExpressGen.exe (PID: 3628)
    • Checks for external IP

      • Regasm.exe (PID: 3696)
    • Creates files in the user directory

      • Regasm.exe (PID: 3696)
    • Connects to unusual port

      • Regasm.exe (PID: 3696)
  • INFO

    • Application launched itself

      • iexplore.exe (PID: 2828)
    • Changes internet zones settings

      • iexplore.exe (PID: 2828)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3136)
      • iexplore.exe (PID: 2828)
    • Reads settings of System Certificates

      • iexplore.exe (PID: 2828)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
19
Malicious processes
3
Suspicious processes
3

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start drop and start drop and start drop and start drop and start iexplore.exe iexplore.exe winrar.exe verclsid.exe no specs verclsid.exe no specs expressgen.exe #QUASAR regasm.exe windowsdefender.exe no specs regasm.exe no specs expressgen.exe regasm.exe no specs windowsdefender.exe no specs regasm.exe no specs expressgen.exe regasm.exe no specs windowsdefender.exe no specs regasm.exe no specs expressgen.exe no specs regasm.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1440"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exeExpressGen.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
2536"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\ExpressGen[1]\ExpressGen.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\ExpressGen[1]\ExpressGen.exeWinRAR.exe
User:
admin
Company:
Update
Integrity Level:
LOW
Description:
Update.exe
Exit code:
0
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\low\content.ie5\ocdm6jb6\expressgen[1]\expressgen.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2544"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\ExpressGen[1].rar"C:\Program Files\WinRAR\WinRAR.exe
iexplore.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
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
2604"C:\Windows\system32\verclsid.exe" /S /C {7BD29E00-76C1-11CF-9DD0-00A0C9034933} /I {000214E3-0000-0000-C000-000000000046} /X 0x401C:\Windows\system32\verclsid.exeWinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Extension CLSID Verification Host
Exit code:
3
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\verclsid.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2608"C:\Users\admin\AppData\Local\Temp\WindowsDefender.exe" C:\Users\admin\AppData\Local\Temp\WindowsDefender.exeExpressGen.exe
User:
admin
Company:
Update
Integrity Level:
MEDIUM
Description:
Update.exe
Exit code:
0
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\temp\windowsdefender.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2664"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exeExpressGen.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
2732"C:\Users\admin\AppData\Local\Temp\Rar$EXa2544.33803\ExpressGen.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa2544.33803\ExpressGen.exe
WinRAR.exe
User:
admin
Company:
Update
Integrity Level:
MEDIUM
Description:
Update.exe
Exit code:
0
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa2544.33803\expressgen.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2812"C:\Users\admin\AppData\Local\Temp\Rar$EXa2544.35023\ExpressGen.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa2544.35023\ExpressGen.exe
WinRAR.exe
User:
admin
Company:
Update
Integrity Level:
MEDIUM
Description:
Update.exe
Exit code:
0
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa2544.35023\expressgen.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2828"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)
Modules
Images
c:\program files\internet explorer\iexplore.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\user32.dll
c:\windows\system32\gdi32.dll
2988"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regasm.exeWindowsDefender.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msvcrt.dll
Total events
2 551
Read events
2 387
Write events
159
Delete events
5

Modification events

(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
4600000069000000010000000000000000000000000000000000000000000000C0E333BBEAB1D301000000000000000000000000020000001700000000000000FE800000000000007D6CB050D9C573F70B000000000000006D00330032005C004D00530049004D004700330032002E0064006C000100000004AA400014AA4000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000C0A8016400000000000000000000000000000000000000000800000000000000805D3F00983740000008000002000000000000600000002060040000B8A94000020000008802000060040000B8A9400004000000F8010000B284000088B64000B84B400043003A000000000000000000000000000000000000000000
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{0F569A77-1527-11E9-BAD8-5254004A04AF}
Value:
0
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
3
(PID) Process:(2828) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E307010004000A0016001C0021001C01
Executable files
16
Suspicious files
3
Text files
3
Unknown types
2

Dropped files

PID
Process
Filename
Type
2828iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\favicon[1].ico
MD5:
SHA256:
2828iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
MD5:
SHA256:
2828iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFA545C27E990767DD.TMP
MD5:
SHA256:
2828iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFD4310510CD05D78B.TMP
MD5:
SHA256:
2828iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{0F569A77-1527-11E9-BAD8-5254004A04AF}.dat
MD5:
SHA256:
3136iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\JavaDeployReg.logtext
MD5:
SHA256:
2544WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa2544.33803\ExpressGen.exeexecutable
MD5:
SHA256:
2828iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{0F569A78-1527-11E9-BAD8-5254004A04AF}.datbinary
MD5:
SHA256:
3136iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\MSHist012019011020190111\index.datdat
MD5:
SHA256:
3136iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\ExpressGen[1].rarcompressed
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
4
DNS requests
3
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3696
Regasm.exe
GET
200
185.194.141.58:80
http://ip-api.com/json/
DE
text
309 b
malicious
2828
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 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
2828
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3136
iexplore.exe
69.31.136.25:443
fs05n2.sendspace.com
GTT Communications Inc.
US
unknown
3696
Regasm.exe
185.194.141.58:80
ip-api.com
netcup GmbH
DE
unknown
3696
Regasm.exe
193.56.28.121:5431
malicious

DNS requests

Domain
IP
Reputation
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
fs05n2.sendspace.com
  • 69.31.136.25
unknown
ip-api.com
  • 185.194.141.58
malicious

Threats

PID
Process
Class
Message
3696
Regasm.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
3696
Regasm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Quasar 1.3 RAT IP Lookup ip-api.com (HTTP headeer)
3696
Regasm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Quasar RAT
1 ETPRO signatures available at the full report
No debug info