File name:

Windows Session Manager.exe

Full analysis: https://app.any.run/tasks/cdca0605-21cb-4f33-a1e1-176afc274271
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Malware Trends Tracker     >>>
Analysis date: December 14, 2023, 23:21:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

346BA1D0419AF2730DE45A7DA7FD7EF0

SHA1:

2D4C79137A4A14F5B992DD91F053A83CDD382847

SHA256:

CA74ADA70EE8A46E7ED67EE7F5422370B31DD6E43D40970F79128556670E9D2C

SSDEEP:

1536:HdPjDxl5YZIKIOHxwNLanTq5VD1CF6ABFQXjbCJyDLz62yhv1aX9:HdPjDxlmZIJYxyR1C49jbCJyDLz6v969

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

    • Drops the executable file immediately after the start

      • Windows Session Manager.exe (PID: 1864)

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 2632)

    • ASYNCRAT has been detected (YARA)

      • RegAsm.exe (PID: 2908)

  • SUSPICIOUS

    • Starts POWERSHELL.EXE for commands execution

      • Windows Session Manager.exe (PID: 1864)

    • Starts CMD.EXE for commands execution

      • Windows Session Manager.exe (PID: 1864)

    • Connects to unusual port

      • RegAsm.exe (PID: 2908)

  • INFO

    • Checks supported languages

      • RegAsm.exe (PID: 2908)
      • Windows Session Manager.exe (PID: 1864)

    • Creates files or folders in the user directory

      • Windows Session Manager.exe (PID: 1864)

    • Reads the computer name

      • Windows Session Manager.exe (PID: 1864)
      • RegAsm.exe (PID: 2908)

    • Reads the machine GUID from the registry

      • Windows Session Manager.exe (PID: 1864)
      • RegAsm.exe (PID: 2908)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(2908) RegAsm.exe
C2 (1)217.64.31.3
Ports (2)8808
8437
BotnetWindows Session Manager
Version0.5.7B
Options
AutoRunfalse
MutexWindows Session Manager
InstallFolder%AppData%
BSoDfalse
AntiVMfalse
Certificates
Cert1MIIE4jCCAsqgAwIBAgIQAJmupDKFEn4QYTi6VNAu5zANBgkqhkiG9w0BAQ0FADASMRAwDgYDVQQDDAd3YXJyaW9yMCAXDTIyMDEzMDE3MzkzNFoYDzk5OTkxMjMxMjM1OTU5WjASMRAwDgYDVQQDDAd3YXJyaW9yMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1p1heFXbFVfmtOd5Qw+jVCq6buTiUXzCHJ9ogNwGpJyyNyN70miKC4VIi30fCZ1IXcc8rAM4ODRzPV6HEPOKw29lKaG6kXtr...
Server_SignatureC79KvAXqeWNypPjSnsZWSXqvPH8g8lK8T3NJEMNEtmPa9vyqYMEPuTK4ruE1X78a31N52HJRyci/di8uAIUIzjKA2O+IDXtADiKhcOMQ774osQokab44CwyuP6B9b1dwDPJtqM9QTWZ845u9x8KwIt2lEp/qJivLP62rwCy+Er7Ii9VJyRxynu3T2CO9nBmRpDk1MnOajwGmWuoXOWP6tz21sp1d/RCrAkM9A+iVAnvyS3DrNM6jxvX8GEyi7alq9aMNUajm8VifQL82ZjapIyvETNyHsQHNFGmbksM/eY2W...
Keys
AES3d743405c5b7f48e626e812c0257eaef5c78eda6d768679cf0126960a60a9032
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:05:17 15:30:29+02:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 11
CodeSize: 86528
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x1708e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
FileDescription:
FileVersion: 0.0.0.0
InternalName: 111111111111111111111111.exe
LegalCopyright:
OriginalFileName: 111111111111111111111111.exe
ProductVersion: 0.0.0.0
AssemblyVersion: 0.0.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start windows session manager.exe no specs powershell.exe no specs cmd.exe no specs schtasks.exe no specs #ASYNCRAT regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
1864"C:\Users\admin\AppData\Local\Temp\Windows Session Manager.exe" C:\Users\admin\AppData\Local\Temp\Windows Session Manager.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\windows session manager.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
2076"powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Windows Session Manager';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Windows Session Manager' -Value '"C:\Users\admin\AppData\Roaming\Windows Session Manager\Windows Session Manager.exe"' -PropertyType 'String'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—Windows Session Manager.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
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\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\atl.dll
c:\windows\system32\user32.dll
2528schtasks /create /tn \Windows Session Manager /tr "C:\Users\admin\AppData\Roaming\Windows Session Manager\Windows Session Manager.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /fC:\Windows\System32\schtasks.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
2147500037
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
2632"cmd" /C schtasks /create /tn \Windows Session Manager /tr "C:\Users\admin\AppData\Roaming\Windows Session Manager\Windows Session Manager.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /fC:\Windows\System32\cmd.exe—Windows Session Manager.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
2147500037
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2908#cmdC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Windows Session Manager.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.8.3761.0 built by: NET48REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\windows\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
AsyncRat
(PID) Process(2908) RegAsm.exe
C2 (1)217.64.31.3
Ports (2)8808
8437
BotnetWindows Session Manager
Version0.5.7B
Options
AutoRunfalse
MutexWindows Session Manager
InstallFolder%AppData%
BSoDfalse
AntiVMfalse
Certificates
Cert1MIIE4jCCAsqgAwIBAgIQAJmupDKFEn4QYTi6VNAu5zANBgkqhkiG9w0BAQ0FADASMRAwDgYDVQQDDAd3YXJyaW9yMCAXDTIyMDEzMDE3MzkzNFoYDzk5OTkxMjMxMjM1OTU5WjASMRAwDgYDVQQDDAd3YXJyaW9yMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1p1heFXbFVfmtOd5Qw+jVCq6buTiUXzCHJ9ogNwGpJyyNyN70miKC4VIi30fCZ1IXcc8rAM4ODRzPV6HEPOKw29lKaG6kXtr...
Server_SignatureC79KvAXqeWNypPjSnsZWSXqvPH8g8lK8T3NJEMNEtmPa9vyqYMEPuTK4ruE1X78a31N52HJRyci/di8uAIUIzjKA2O+IDXtADiKhcOMQ774osQokab44CwyuP6B9b1dwDPJtqM9QTWZ845u9x8KwIt2lEp/qJivLP62rwCy+Er7Ii9VJyRxynu3T2CO9nBmRpDk1MnOajwGmWuoXOWP6tz21sp1d/RCrAkM9A+iVAnvyS3DrNM6jxvX8GEyi7alq9aMNUajm8VifQL82ZjapIyvETNyHsQHNFGmbksM/eY2W...
Keys
AES3d743405c5b7f48e626e812c0257eaef5c78eda6d768679cf0126960a60a9032
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
Total events
1 647
Read events
1 581
Write events
66
Delete events
0

Modification events

(PID) Process:(2076) powershell.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\17F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2908) RegAsm.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\17F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
1
Suspicious files
3
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2076powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LHSC91K4JXRQQ74AIGUX.tempbinary
MD5:16F6D260068B85896C0EBB2E1B2A60D1
SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984
2076powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msbinary
MD5:16F6D260068B85896C0EBB2E1B2A60D1
SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984
2076powershell.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF20fe78.TMPbinary
MD5:16F6D260068B85896C0EBB2E1B2A60D1
SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984
1864Windows Session Manager.exeC:\Users\admin\AppData\Roaming\Windows Session Manager\Windows Session Manager.exeexecutable
MD5:346BA1D0419AF2730DE45A7DA7FD7EF0
SHA256:CA74ADA70EE8A46E7ED67EE7F5422370B31DD6E43D40970F79128556670E9D2C
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
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
4
System
192.168.100.255:137
—
—
—
whitelisted
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2908
RegAsm.exe
217.64.31.3:8808
—
Baktelekom
AZ
malicious
2908
RegAsm.exe
217.64.31.3:8437
—
Baktelekom
AZ
malicious

DNS requests

Domain
IP
Reputation
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

No threats detected
No debug info
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Reports
Windows Session Manager.exe