| File name: | eplgOutlook.dll |
| Full analysis: | https://app.any.run/tasks/3055e63c-f200-4beb-9eff-185a4f6d3dfd |
| Verdict: | Malicious activity |
| Analysis date: | December 13, 2024, 02:26:15 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (DLL) (GUI) x86-64, for MS Windows, 6 sections |
| MD5: | 58CEE1F9E23B3925E5F1EA61DD62E4A2 |
| SHA1: | 7CE074F88166720D5BC2F9D0C33FD28A0A5143E4 |
| SHA256: | 79FA2F464DF6EEDA1C926AC4CF559CAFA94CB8E6267B4D541294194BC09B5875 |
| SSDEEP: | 98304:BfMOANdEUt7wgDv/7u+2+so44FXwVU9r4XUNovdQVYLsXW7FhwZ0rQFiwayOzBfz:ZJw2z |
MALICIOUS
No malicious indicators.SUSPICIOUS
Lists computer manufacturer and model
- rundll32.exe (PID: 3608)
Checks for external IP
- nslookup.exe (PID: 1356)
Starts POWERSHELL.EXE for commands execution
- rundll32.exe (PID: 3608)
Uses NSLOOKUP.EXE to check DNS info
- powershell.exe (PID: 5572)
INFO
UPX packer has been detected
- rundll32.exe (PID: 3608)
Drops encrypted JS script (Microsoft Script Encoder)
- rundll32.exe (PID: 3608)
The sample compiled with english language support
- rundll32.exe (PID: 3608)
Drops encrypted VBS script (Microsoft Script Encoder)
- rundll32.exe (PID: 3608)
Application based on Golang
- rundll32.exe (PID: 3608)
Sends debugging messages
- notepad++.exe (PID: 5544)
Manual execution by a user
- notepad++.exe (PID: 5544)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic Win/DOS Executable (50) |
|---|---|---|
| .exe | | | DOS Executable Generic (49.9) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2024:10:28 15:55:02+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, Large address aware, DLL |
| PEType: | PE32+ |
| LinkerVersion: | 14.41 |
| CodeSize: | 1108480 |
| InitializedDataSize: | 2168832 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xd60d0 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 10.48.20.0 |
| ProductVersionNumber: | 18.0.12.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | ESET |
| FileDescription: | ESET Plugin for Microsoft Outlook |
| FileVersion: | 10.48.20.0 |
| InternalName: | eplgOutlook.dll |
| LegalCopyright: | Copyright (c) ESET, spol. s r.o. 1992-2024. All rights reserved. |
| LegalTrademarks: | NOD, NOD32, AMON, ESET are registered trademarks of ESET. |
| OriginalFileName: | eplgOutlook.dll |
| ProductName: | ESET Security |
| ProductVersion: | 18.0.12.0 |
Total processes
132
Monitored processes
8
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1356 | "C:\WINDOWS\system32\nslookup.exe" myip.opendns.com resolver1.opendns.com | C:\Windows\System32\nslookup.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: nslookup Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2136 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3608 | "C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\eplgOutlook.dll, #1 | C:\Windows\System32\rundll32.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3840 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4504 | powershell.exe -command "get-wmiobject win32_computersystem | select-object -expandproperty domain" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5028 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5544 | "C:\Program Files\Notepad++\notepad++.exe" "C:\Users\admin\AppData\Local\Temp\eplgOutlook.dll" | C:\Program Files\Notepad++\notepad++.exe | explorer.exe | ||||||||||||
User: admin Company: Don HO don.h@free.fr Integrity Level: MEDIUM Description: Notepad++ : a free (GNU) source code editor Version: 7.91 Modules
| |||||||||||||||
| 5572 | powershell.exe -command "& nslookup myip.opendns.com resolver1.opendns.com" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
9 158
Read events
9 158
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
2
Text files
9
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4504 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:D4C85A388C528F89F3F10876A420E3BA | SHA256:329E9C62E78F46705691FC585D94C63D773112684B8F0524A2317533A405DC35 | |||
| 4504 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_vbbbvf1g.s5y.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5544 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\session.xml | text | |
MD5:8DE7870C397FC4B6C2BF22A5F6955553 | SHA256:5BB9A2464FCB52778809813F94823EDD8DE58550E2AE50DED91538D734D0A16B | |||
| 4504 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ichpjfum.qva.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5544 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\stylers.xml | xml | |
MD5:312281C4126FA897EF21A7E8CCB8D495 | SHA256:53B4BE3ED1CFD712E53542B30CFE30C5DB35CC48BE7C57727DFEC26C9E882E90 | |||
| 5544 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\plugins\config\converter.ini | text | |
MD5:F70F579156C93B097E656CABA577A5C9 | SHA256:B926498A19CA95DC28964B7336E5847107DD3C0F52C85195C135D9DD6CA402D4 | |||
| 5544 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\backup\eplgOutlook.dll@2024-12-13_022731 | binary | |
MD5:767694E61455E1034178DC0DC4C4130D | SHA256:604E5B70972D0E21FD43B7337F6F9C0573987A58335E3406836526BED916C896 | |||
| 5572 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_p5tsqay5.3nw.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5572 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_f4htahdu.dd1.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5544 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\shortcuts.xml | text | |
MD5:F11D96162BC521F5CF49FFE6B6841C9B | SHA256:BE9AEAEAB5A2E4899BA7E582274BA592C1B9BAF688B340A754B8EF32B23CFA9C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
29
DNS requests
16
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.18.79.141:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.18.79.141:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.217.49.217:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.217.49.217:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5064 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
1228 | SIHClient.exe | GET | 200 | 23.217.49.217:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
1228 | SIHClient.exe | GET | 200 | 23.217.49.217:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 2.18.79.141:80 | crl.microsoft.com | Akamai International B.V. | AT | whitelisted |
2736 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 2.18.79.141:80 | crl.microsoft.com | Akamai International B.V. | AT | whitelisted |
5064 | SearchApp.exe | 95.101.23.83:443 | www.bing.com | Akamai International B.V. | AT | whitelisted |
— | — | 23.217.49.217:80 | www.microsoft.com | AKAMAI-AS | US | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.217.49.217:80 | www.microsoft.com | AKAMAI-AS | US | whitelisted |
5064 | SearchApp.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
resolver1.opendns.com |
| shared |
222.222.67.208.in-addr.arpa |
| unknown |
myip.opendns.com |
| shared |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1356 | nslookup.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
1356 | nslookup.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
1356 | nslookup.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
1356 | nslookup.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup) |
Process | Message |
|---|---|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\SciLexer.dll
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | ED255D9151912E40DF048A56288E969A8D0DAFA3
|
notepad++.exe | VerifyLibrary: error while getting certificate informations
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\updater\gup.exe
|