File name:

er.exe

Full analysis: https://app.any.run/tasks/ca7c3d5b-89bb-4b47-a135-15ad55ccf713
Verdict: Malicious activity
Threats:

XWorm is a remote access trojan (RAT) sold as a malware-as-a-service. It possesses an extensive hacking toolset and is capable of gathering private information and files from the infected computer, hijacking MetaMask and Telegram accounts, and tracking user activity. XWorm is typically delivered to victims' computers through multi-stage attacks that start with phishing emails.

Analysis date: July 14, 2024, 00:00:56
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
xworm
evasion
pastebin
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

9671B824EE58139BF10084B1B336A0D2

SHA1:

C6F13AFD0AE2C16C1E148DC1BE6793D1D2E001A5

SHA256:

86DCDC6B0FED5B4B5D621D1616F7383AF5E4438E3C3277CF311C08D249A80E90

SSDEEP:

768:Af+ZWmGJcrZc+ysZSiCRCc8CXCNCdCsCECbCEC8VW/2g/4L1ydRTibjOWZBO/y/C:ecU6h1TIr6+Z5hb2hH1aXiq6RZOv61g

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

      • er.exe (PID: 3268)
    • XWORM has been detected (YARA)

      • er.exe (PID: 3268)
    • Uses Task Scheduler to run other applications

      • er.exe (PID: 3268)
    • Changes the autorun value in the registry

      • er.exe (PID: 3268)
    • Create files in the Startup directory

      • er.exe (PID: 3268)
  • SUSPICIOUS

    • Reads the Internet Settings

      • rundll32.exe (PID: 3344)
      • er.exe (PID: 3268)
    • Checks for external IP

      • er.exe (PID: 3268)
    • Reads security settings of Internet Explorer

      • er.exe (PID: 3268)
    • Reads settings of System Certificates

      • er.exe (PID: 3268)
    • Connects to unusual port

      • er.exe (PID: 3268)
    • The process executes via Task Scheduler

      • svchost (PID: 2840)
      • svchost (PID: 3556)
    • Executable content was dropped or overwritten

      • er.exe (PID: 3268)
  • INFO

    • Checks supported languages

      • er.exe (PID: 3268)
      • svchost (PID: 3556)
      • svchost (PID: 2840)
    • Creates files or folders in the user directory

      • rundll32.exe (PID: 3344)
      • er.exe (PID: 3268)
    • Checks proxy server information

      • rundll32.exe (PID: 3344)
    • Reads the computer name

      • er.exe (PID: 3268)
      • svchost (PID: 2840)
      • svchost (PID: 3556)
    • Reads the machine GUID from the registry

      • er.exe (PID: 3268)
      • svchost (PID: 3556)
      • svchost (PID: 2840)
    • Reads Environment values

      • er.exe (PID: 3268)
    • Disables trace logs

      • er.exe (PID: 3268)
    • Creates files in the program directory

      • er.exe (PID: 3268)
    • Reads the software policy settings

      • er.exe (PID: 3268)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

XWorm

(PID) Process(3268) er.exe
C2https://pastebin.com/raw/sGaZ7csB:<123456789>
Keys
AES<Xwormmm>
Options
Splitter3
Sleep timeXWorm V5.6
USB drop nameUSB.exe
MutexiiJ1d4WuYheUhuv6
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:07:13 23:59:04+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 11
CodeSize: 66560
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x1230e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
FileDescription:
FileVersion: 1.0.0.0
InternalName: er.exe
LegalCopyright:
OriginalFileName: er.exe
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
5
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #XWORM er.exe rundll32.exe schtasks.exe no specs svchost no specs svchost no specs

Process information

PID
CMD
Path
Indicators
Parent process
2840C:\ProgramData\svchost C:\ProgramData\svchosttaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\programdata\svchost
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
2956"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost"C:\Windows\System32\schtasks.exeer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
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
3268"C:\Users\admin\AppData\Local\Temp\er.exe" C:\Users\admin\AppData\Local\Temp\er.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\er.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
XWorm
(PID) Process(3268) er.exe
C2https://pastebin.com/raw/sGaZ7csB:<123456789>
Keys
AES<Xwormmm>
Options
Splitter3
Sleep timeXWorm V5.6
USB drop nameUSB.exe
MutexiiJ1d4WuYheUhuv6
3344C:\Windows\system32\rundll32.exe C:\Windows\system32\gameux.dll,GameUXShim {5edb1ddd-6a21-414f-bc6e-e6e5379b875c};C:\Users\admin\AppData\Local\Temp\er.exe;3268C:\Windows\System32\rundll32.exe
er.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
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\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
3556C:\ProgramData\svchost C:\ProgramData\svchosttaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\programdata\svchost
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
Total events
8 164
Read events
8 122
Write events
42
Delete events
0

Modification events

(PID) Process:(3344) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUX\S-1-5-21-1302019708-1500728564-335382590-1000\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}
Operation:writeName:ConfigInstallType
Value:
3
(PID) Process:(3344) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUX\S-1-5-21-1302019708-1500728564-335382590-1000\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}
Operation:writeName:ConfigApplicationPath
Value:
C:\Users\admin\AppData\Local\Temp
(PID) Process:(3344) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUX\S-1-5-21-1302019708-1500728564-335382590-1000\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}
Operation:writeName:ConfigGDFBinaryPath
Value:
C:\Windows\system32\GameUXLegacyGDFs.dll
(PID) Process:(3344) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUX\S-1-5-21-1302019708-1500728564-335382590-1000\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}
Operation:writeName:ApplicationId
Value:
{5edb1ddd-6a21-414f-bc6e-e6e5379b875c}
(PID) Process:(3344) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUX\S-1-5-21-1302019708-1500728564-335382590-1000\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}
Operation:writeName:Description
Value:
ER™
(PID) Process:(3344) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\GameUX\S-1-5-21-1302019708-1500728564-335382590-1000\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}
Operation:writeName:AppExePath
Value:
C:\Users\admin\AppData\Local\Temp\er.exe
(PID) Process:(3344) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\GameUX
Operation:writeName:OOBGameInstalled
Value:
1
(PID) Process:(3268) er.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\er_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3268) er.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\er_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3268) er.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\er_RASAPI32
Operation:writeName:FileTracingMask
Value:
Executable files
1
Suspicious files
3
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3268er.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnklnk
MD5:74D08D16551B13A2281AE7392BDE3E23
SHA256:0AC6571BE14FCAAE7068AAD1400BBB3905843C1276D4DB1F5312718C391FBD44
3344rundll32.exeC:\Users\admin\AppData\Local\Microsoft\Windows\GameExplorer\{2F488930-EBAC-4C58-A07F-9E5B11F84A68}\PlayTasks\0\Play.lnklnk
MD5:341D908F88F0F83309932E0D3DCAC835
SHA256:6892103B011309355E81AC588E3DF335A521B65CE24B7EE6C6134A6E22449533
3268er.exeC:\ProgramData\svchostexecutable
MD5:9671B824EE58139BF10084B1B336A0D2
SHA256:86DCDC6B0FED5B4B5D621D1616F7383AF5E4438E3C3277CF311C08D249A80E90
3344rundll32.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Games\ER™.lnkbinary
MD5:BDE61F704F2BFF81D06BBF6C814B6FDA
SHA256:6B0056E5DE32B1B4B9FFE11E411917D4FD3A759066474F1D9127869EB0688B6E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
63
DNS requests
10
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3344
rundll32.exe
GET
302
184.30.17.189:80
http://go.microsoft.com/fwlink?linkid=30219&locale=en-US&clientType=VISTA_GAMES&clientVersion=6.1.2
unknown
whitelisted
1372
svchost.exe
GET
304
217.20.58.100:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33
unknown
whitelisted
1372
svchost.exe
GET
200
23.48.23.156:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1372
svchost.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
3268
er.exe
GET
200
208.95.112.1:80
http://ip-api.com/line/?fields=hosting
unknown
shared
1060
svchost.exe
GET
304
199.232.214.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?67a3611ec3c0260d
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
224.0.0.252:5355
whitelisted
4
System
192.168.100.255:137
whitelisted
2564
svchost.exe
239.255.255.250:3702
whitelisted
1060
svchost.exe
224.0.0.252:5355
whitelisted
1372
svchost.exe
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
3344
rundll32.exe
184.30.17.189:80
go.microsoft.com
AKAMAI-AS
DE
unknown
3344
rundll32.exe
65.55.186.113:80
movie.metaservices.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4
System
192.168.100.255:138
whitelisted
1372
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
1372
svchost.exe
217.20.58.100:80
ctldl.windowsupdate.com
US
unknown

DNS requests

Domain
IP
Reputation
google.com
  • 216.58.206.46
whitelisted
go.microsoft.com
  • 184.30.17.189
whitelisted
movie.metaservices.microsoft.com
  • 65.55.186.113
whitelisted
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
ctldl.windowsupdate.com
  • 217.20.58.100
  • 217.20.58.39
  • 217.20.58.19
  • 217.20.58.24
  • 217.20.58.18
  • 217.20.58.99
  • 217.20.58.98
  • 217.20.58.40
  • 199.232.214.172
  • 199.232.210.172
whitelisted
crl.microsoft.com
  • 23.48.23.156
  • 23.48.23.143
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
ip-api.com
  • 208.95.112.1
shared
pastebin.com
  • 104.20.3.235
  • 104.20.4.235
  • 172.67.19.24
shared

Threats

PID
Process
Class
Message
1060
svchost.exe
Device Retrieving External IP Address Detected
INFO [ANY.RUN] External IP Check (ip-api .com)
1060
svchost.exe
Device Retrieving External IP Address Detected
ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com)
3268
er.exe
Device Retrieving External IP Address Detected
POLICY [ANY.RUN] External Hosting Lookup by ip-api
3268
er.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup ip-api.com
1060
svchost.exe
Not Suspicious Traffic
INFO [ANY.RUN] Online Pastebin Text Storage
No debug info