File name:

Squirrel.exe

Full analysis: https://app.any.run/tasks/b06cc3cc-b10e-49a7-9bc7-d82a9ddc1fea
Verdict: Malicious activity
Analysis date: November 20, 2023, 10:33:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

74D1FB2B4A51D9FA0834CC027771A990

SHA1:

7BC157CB71B3B5C331A091B925AAEB2E13C84813

SHA256:

E86B98D4820BF3901FEC4F1115348403B51D9C401F3F8E8A22692467E98F45AE

SSDEEP:

49152:e5rBLkUGySy+rztEotRYgMQzD/O0Yz6WA5Z3Hh5g:CT2XzTW6WATh5g

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

    • Reads the Internet Settings

      • Squirrel.exe (PID: 3440)

    • Reads settings of System Certificates

      • Squirrel.exe (PID: 3440)

  • INFO

    • Checks supported languages

      • Squirrel.exe (PID: 3440)
      • wmpnscfg.exe (PID: 3576)

    • Reads the computer name

      • Squirrel.exe (PID: 3440)
      • wmpnscfg.exe (PID: 3576)

    • Reads Microsoft Office registry keys

      • Squirrel.exe (PID: 3440)

    • Create files in a temporary directory

      • Squirrel.exe (PID: 3440)

    • Reads the machine GUID from the registry

      • Squirrel.exe (PID: 3440)
      • wmpnscfg.exe (PID: 3576)

    • Reads Environment values

      • Squirrel.exe (PID: 3440)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3576)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (50.1)
.exe | Win64 Executable (generic) (32.2)
.dll | Win32 Dynamic Link Library (generic) (7.6)
.exe | Win32 Executable (generic) (5.2)
.exe | Generic Win/DOS Executable (2.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:09:02 01:55:56+02:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 2382336
InitializedDataSize: 176640
UninitializedDataSize: -
EntryPoint: 0x2478de
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 3.3.5.0
ProductVersionNumber: 3.3.5.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: Microsoft Teams classic
CompanyName: Microsoft Corporation
FileDescription: Microsoft Teams classic
FileVersion: 3.3.5.0
InternalName: Update.exe
LegalCopyright: Microsoft Corporation
LegalTrademarks: -
OriginalFileName: Update.exe
ProductName: Microsoft Teams
ProductVersion: 3.3.5.0
AssemblyVersion: 3.3.5.0
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start squirrel.exe wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3440"C:\Users\admin\AppData\Local\Temp\Squirrel.exe" C:\Users\admin\AppData\Local\Temp\Squirrel.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Teams classic
Exit code:
4294967295
Version:
3.3.5.0
Modules
Images
c:\users\admin\appdata\local\temp\squirrel.exe
c:\windows\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
3576"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.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\system32\sspicli.dll
c:\windows\system32\ole32.dll
Total events
3 142
Read events
3 127
Write events
12
Delete events
3

Modification events

(PID) Process:(3440) Squirrel.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\17A\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3576) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{D3F1D053-DD53-4572-A60E-F9F1FFA09AFA}\{294A2636-B96A-4633-8167-0BDE1BDDC1D1}
Operation:delete keyName:(default)
Value:
(PID) Process:(3576) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{D3F1D053-DD53-4572-A60E-F9F1FFA09AFA}
Operation:delete keyName:(default)
Value:
(PID) Process:(3576) wmpnscfg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health\{5E4E2DE8-0D7B-4406-BA9E-62A1C2EF7032}
Operation:delete keyName:(default)
Value:
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3440Squirrel.exeC:\Users\admin\AppData\Local\Temp\SquirrelSetup.logtext
MD5:64D1764AF3E5B80FC78E005D7A93F934
SHA256:7129FE78AAFF8A6D3CD2DCA24A001783E3FBFD0B61D5E03F9CC7656248A79747
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
1
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
3440
Squirrel.exe
104.208.16.90:443
mobile.pipe.aria.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
unknown

DNS requests

Domain
IP
Reputation
mobile.pipe.aria.microsoft.com
  • 104.208.16.90
whitelisted

Threats

No threats detected
Process
Message
Squirrel.exe
Squirrel.exe Information: 0 :
Squirrel.exe
Starting TelemetryManager constructor
Squirrel.exe
TelemetryManagerImpl creation started
Squirrel.exe
Squirrel.exe Information: 0 :
Squirrel.exe
Squirrel.exe Information: 0 :
Squirrel.exe
Performance counters are disabled. Skipping creation of counters category.
Squirrel.exe
Squirrel.exe Information: 0 :
Squirrel.exe
RecordBatcherTask with ID 4 started.
Squirrel.exe
Squirrel.exe Information: 0 :
Squirrel.exe
Squirrel.exe Information: 0 :
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Reports
Squirrel.exe