| URL: | http://cdn.bullzip.com/download/gsl/gslite.exe |
| Full analysis: | https://app.any.run/tasks/2c3634ad-fce7-47db-a6e8-f0d6ef81310c |
| Verdict: | Malicious activity |
| Analysis date: | May 10, 2021, 13:35:01 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MD5: | 2FFC3879FC11A96B95F2DC21574A8942 |
| SHA1: | A1613EFDAF06FB3A6E6193AC4C6E7701842DF3FC |
| SHA256: | C0AB3C5BE6D49E9A8B207C86F2AB3E28A0E68F21259BF0F817925B33F18559D4 |
| SSDEEP: | 3:N1KdBLYJftBLxE:CXYRtBe |
MALICIOUS
Application was dropped or rewritten from another process
- gslite.exe (PID: 1200)
- gslite.exe (PID: 2408)
Drops executable file immediately after starts
- gslite.exe (PID: 2408)
- gslite.tmp (PID: 2856)
SUSPICIOUS
Executable content was dropped or overwritten
- iexplore.exe (PID: 1816)
- gslite.exe (PID: 1200)
- gslite.tmp (PID: 2856)
- gslite.exe (PID: 2408)
Reads Windows owner or organization settings
- gslite.tmp (PID: 2856)
Reads the Windows organization settings
- gslite.tmp (PID: 2856)
Drops a file with too old compile date
- gslite.tmp (PID: 2856)
Drops a file that was compiled in debug mode
- gslite.tmp (PID: 2856)
Creates a directory in Program Files
- gslite.tmp (PID: 2856)
INFO
Changes internet zones settings
- iexplore.exe (PID: 1816)
Modifies the phishing filter of IE
- iexplore.exe (PID: 1816)
Application was dropped or rewritten from another process
- gslite.tmp (PID: 3828)
- gslite.tmp (PID: 2856)
Reads settings of System Certificates
- iexplore.exe (PID: 1816)
Changes settings of System certificates
- iexplore.exe (PID: 1816)
Adds / modifies Windows certificates
- iexplore.exe (PID: 1816)
Creates files in the program directory
- gslite.tmp (PID: 2856)
Creates a software uninstall entry
- gslite.tmp (PID: 2856)
Application launched itself
- iexplore.exe (PID: 1816)
Loads dropped or rewritten executable
- gslite.tmp (PID: 2856)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
44
Monitored processes
6
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1200 | "C:\Users\admin\Downloads\gslite.exe" | C:\Users\admin\Downloads\gslite.exe | iexplore.exe | ||||||||||||
User: admin Company: Free Distribution Integrity Level: MEDIUM Description: GPL Ghostscript Lite 9.26.20 package Exit code: 0 Version: 9.26.20.0.20 Modules
| |||||||||||||||
| 1816 | "C:\Program Files\Internet Explorer\iexplore.exe" "http://cdn.bullzip.com/download/gsl/gslite.exe" | C:\Program Files\Internet Explorer\iexplore.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 1 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 2408 | "C:\Users\admin\Downloads\gslite.exe" /SPAWNWND=$40150 /NOTIFYWND=$20190 | C:\Users\admin\Downloads\gslite.exe | gslite.tmp | ||||||||||||
User: admin Company: Free Distribution Integrity Level: HIGH Description: GPL Ghostscript Lite 9.26.20 package Exit code: 0 Version: 9.26.20.0.20 Modules
| |||||||||||||||
| 2856 | "C:\Users\admin\AppData\Local\Temp\is-E9VIK.tmp\gslite.tmp" /SL5="$301A0,21880800,139776,C:\Users\admin\Downloads\gslite.exe" /SPAWNWND=$40150 /NOTIFYWND=$20190 | C:\Users\admin\AppData\Local\Temp\is-E9VIK.tmp\gslite.tmp | gslite.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Setup/Uninstall Exit code: 0 Version: 51.1052.0.0 Modules
| |||||||||||||||
| 3828 | "C:\Users\admin\AppData\Local\Temp\is-1887B.tmp\gslite.tmp" /SL5="$20190,21880800,139776,C:\Users\admin\Downloads\gslite.exe" | C:\Users\admin\AppData\Local\Temp\is-1887B.tmp\gslite.tmp | — | gslite.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Setup/Uninstall Exit code: 0 Version: 51.1052.0.0 Modules
| |||||||||||||||
| 3852 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1816 CREDAT:267521 /prefetch:2 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
Total events
1 035
Read events
938
Write events
88
Delete events
9
Modification events
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateLowDateTime |
Value: 1678283574 | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateHighDateTime |
Value: 30885281 | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value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| |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1816) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
7
Suspicious files
6
Text files
53
Unknown types
19
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3852 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\gslite[1].exe | — | |
MD5:— | SHA256:— | |||
| 3852 | iexplore.exe | C:\Users\admin\Downloads\gslite.exe.xl0ru7a.partial | — | |
MD5:— | SHA256:— | |||
| 1816 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DFCFEB1DA43A21D5CD.TMP | — | |
MD5:— | SHA256:— | |||
| 1816 | iexplore.exe | C:\Users\admin\Downloads\gslite.exe.xl0ru7a.partial:Zone.Identifier | — | |
MD5:— | SHA256:— | |||
| 1816 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\Cab55.tmp | — | |
MD5:— | SHA256:— | |||
| 1816 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\Tar56.tmp | — | |
MD5:— | SHA256:— | |||
| 2856 | gslite.tmp | C:\Program Files\GSLITE\is-3UH0P.tmp | — | |
MD5:— | SHA256:— | |||
| 2856 | gslite.tmp | C:\Program Files\GSLITE\is-ILPK2.tmp | — | |
MD5:— | SHA256:— | |||
| 2856 | gslite.tmp | C:\Program Files\GSLITE\is-HN2TN.tmp | — | |
MD5:— | SHA256:— | |||
| 2856 | gslite.tmp | C:\Program Files\GSLITE\is-JFGS9.tmp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
7
DNS requests
5
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1816 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | US | der | 471 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 |
|---|---|---|---|---|---|---|
3852 | iexplore.exe | 89.187.169.15:80 | cdn.bullzip.com | — | CZ | suspicious |
1816 | iexplore.exe | 152.199.19.161:443 | iecvlist.microsoft.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
1816 | iexplore.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
cdn.bullzip.com |
| malicious |
iecvlist.microsoft.com |
| whitelisted |
r20swj13mr.microsoft.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3852 | iexplore.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |