File name:

eplgOutlook.dll

Full analysis: https://app.any.run/tasks/6ecf985b-930c-464c-9159-6d105dc682af
Verdict: Malicious activity
Analysis date: December 04, 2024, 19:43:30
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
upx
golang
evasion
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

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

    No malicious indicators.
  • SUSPICIOUS

    • Lists computer manufacturer and model

      • rundll32.exe (PID: 6456)
    • Uses NSLOOKUP.EXE to check DNS info

      • powershell.exe (PID: 7060)
    • Checks for external IP

      • nslookup.exe (PID: 2216)
    • Starts POWERSHELL.EXE for commands execution

      • rundll32.exe (PID: 6456)
  • INFO

    • UPX packer has been detected

      • rundll32.exe (PID: 6456)
    • Drops encrypted VBS script (Microsoft Script Encoder)

      • rundll32.exe (PID: 6456)
    • Application based on Golang

      • rundll32.exe (PID: 6456)
    • Drops encrypted JS script (Microsoft Script Encoder)

      • rundll32.exe (PID: 6456)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
129
Monitored processes
6
Malicious processes
0
Suspicious processes
3

Behavior graph

Click at the process to see the details
start rundll32.exe powershell.exe no specs conhost.exe no specs powershell.exe no specs conhost.exe no specs nslookup.exe

Process information

PID
CMD
Path
Indicators
Parent process
2216"C:\WINDOWS\system32\nslookup.exe" myip.opendns.com resolver1.opendns.comC:\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
Images
c:\windows\system32\nslookup.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\dnsapi.dll
c:\windows\system32\iphlpapi.dll
6456"C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\eplgOutlook.dll, #1C:\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
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
6856powershell.exe -command "get-wmiobject win32_computersystem | select-object -expandproperty domain"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exerundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6864\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exepowershell.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
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
7060powershell.exe -command "& nslookup myip.opendns.com resolver1.opendns.com"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exerundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
7068\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exepowershell.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
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
8 850
Read events
8 850
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
1
Text files
4
Unknown types
0

Dropped files

PID
Process
Filename
Type
7060powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_i3vbuyvy.nkc.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6856powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_qindmyhb.q3i.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6856powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractivebinary
MD5:D6276F8E8B4A7F1C56888AF2C78622A5
SHA256:EC6E134C53915A704B5EDD71AB917007DB24E6C22A32CB509DD6AE3E28680A0F
6856powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_cg5t2uo1.0w1.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
7060powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_sjpfg2a2.3pz.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
28
DNS requests
17
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5448
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
5448
svchost.exe
GET
200
184.25.50.8:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1804
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
5064
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
1804
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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
4
System
192.168.100.255:137
whitelisted
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5448
svchost.exe
184.25.50.8:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4712
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5448
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
184.86.251.30:443
www.bing.com
Akamai International B.V.
DE
whitelisted
5064
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
4
System
192.168.100.255:138
whitelisted
5448
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
whitelisted
crl.microsoft.com
  • 184.25.50.8
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
google.com
  • 142.250.184.238
whitelisted
www.bing.com
  • 184.86.251.30
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
resolver1.opendns.com
  • 208.67.222.222
shared
222.222.67.208.in-addr.arpa
unknown
myip.opendns.com
shared
self.events.data.microsoft.com
  • 40.79.150.120
whitelisted

Threats

PID
Process
Class
Message
2216
nslookup.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup)
2216
nslookup.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup)
2216
nslookup.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup)
2216
nslookup.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup Domain (myip .opendns .com in DNS lookup)
No debug info