File name:

gameservers.exe

Full analysis: https://app.any.run/tasks/fc744dcf-ff5b-475c-9a08-ef4a558bc63e
Verdict: Malicious activity
Threats:

njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world.

Malware Trends Tracker     >>>
Analysis date: January 24, 2022, 20:35:29
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

C5879B0E11C48DFBE4318E886AF8CED9

SHA1:

34A5DF3F6BCCF6296750869852F1D7FEB1BE30DB

SHA256:

9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651

SSDEEP:

1536:kGnJD/HBZbszKu9AZpd7r1jEwzGi1dDKDSgS:kGmzK4AZ3HCi1d83

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

    • Uses Task Scheduler to run other applications

      • server.exe (PID: 520)

    • Writes to a start menu file

      • server.exe (PID: 520)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2544)

    • NJRAT was detected

      • server.exe (PID: 520)

    • Connects to CnC server

      • server.exe (PID: 520)

  • SUSPICIOUS

    • Uses NETSH.EXE for network configuration

      • server.exe (PID: 520)

    • Drops a file with a compile date too recent

      • gameservers.exe (PID: 2824)
      • server.exe (PID: 520)

    • Checks supported languages

      • gameservers.exe (PID: 2824)
      • server.exe (PID: 520)
      • StUpdate.exe (PID: 1292)
      • StUpdate.exe (PID: 964)
      • wmplayer.exe (PID: 3432)
      • setup_wm.exe (PID: 1436)
      • StUpdate.exe (PID: 2136)

    • Starts itself from another location

      • gameservers.exe (PID: 2824)

    • Reads the computer name

      • server.exe (PID: 520)
      • gameservers.exe (PID: 2824)
      • StUpdate.exe (PID: 1292)
      • setup_wm.exe (PID: 1436)
      • StUpdate.exe (PID: 964)
      • wmplayer.exe (PID: 3432)
      • StUpdate.exe (PID: 2136)

    • Reads Environment values

      • netsh.exe (PID: 3808)
      • netsh.exe (PID: 2940)
      • netsh.exe (PID: 3852)
      • server.exe (PID: 520)
      • setup_wm.exe (PID: 1436)

    • Creates files in the user directory

      • gameservers.exe (PID: 2824)
      • server.exe (PID: 520)

    • Executable content was dropped or overwritten

      • gameservers.exe (PID: 2824)
      • server.exe (PID: 520)

    • Executed via Task Scheduler

      • StUpdate.exe (PID: 1292)
      • StUpdate.exe (PID: 1412)
      • StUpdate.exe (PID: 2156)
      • StUpdate.exe (PID: 2136)
      • StUpdate.exe (PID: 3200)
      • StUpdate.exe (PID: 964)

  • INFO

    • Checks supported languages

      • netsh.exe (PID: 3808)
      • netsh.exe (PID: 2940)
      • netsh.exe (PID: 3852)
      • schtasks.exe (PID: 2544)
      • WINWORD.EXE (PID: 1244)

    • Reads the computer name

      • netsh.exe (PID: 3808)
      • netsh.exe (PID: 2940)
      • netsh.exe (PID: 3852)
      • schtasks.exe (PID: 2544)
      • WINWORD.EXE (PID: 1244)

    • Manual execution by user

      • WINWORD.EXE (PID: 1244)
      • wmplayer.exe (PID: 3432)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 1244)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 1244)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x18f1e
UninitializedDataSize: -
InitializedDataSize: 512
CodeSize: 94208
LinkerVersion: 8
PEType: PE32
TimeStamp: 2022:01:24 21:32:17+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 24-Jan-2022 20:32:17

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 2
Time date stamp: 24-Jan-2022 20:32:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00016F24
0x00017000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.5957
.reloc
0x0001A000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
65
Monitored processes
15
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start gameservers.exe #NJRAT server.exe netsh.exe no specs netsh.exe no specs netsh.exe no specs schtasks.exe no specs stupdate.exe no specs stupdate.exe winword.exe no specs wmplayer.exe no specs setup_wm.exe stupdate.exe no specs stupdate.exe stupdate.exe no specs stupdate.exe

Process information

PID
CMD
Path
Indicators
Parent process
520"C:\Users\admin\AppData\Local\Temp\server.exe" C:\Users\admin\AppData\Local\Temp\server.exe
gameservers.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\server.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
964C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe
taskeng.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\stupdate.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\gdi32.dll
1244"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\onsatellite.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\winword.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\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.18837_none_ec86b8d6858ec0bc\comctl32.dll
1292C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe
taskeng.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\stupdate.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.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
1412C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\stupdate.exe
c:\windows\system32\ntdll.dll
1436"C:\Program Files\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files\Windows Media Player\wmplayer.exe" /prefetch:1C:\Program Files\Windows Media Player\setup_wm.exe
wmplayer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Windows Media Configuration Utility
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\program files\windows media player\setup_wm.exe
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\user32.dll
c:\windows\system32\gdi32.dll
2136C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe
taskeng.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\users\admin\appdata\local\temp\stupdate.exe
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
2156C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\stupdate.exe
c:\windows\system32\ntdll.dll
2544schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\admin\AppData\Local\Temp/StUpdate.exeC:\Windows\system32\schtasks.exe—server.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\ole32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\rpcrt4.dll
2824"C:\Users\admin\AppData\Local\Temp\gameservers.exe" C:\Users\admin\AppData\Local\Temp\gameservers.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\gameservers.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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
7 357
Read events
6 467
Write events
746
Delete events
144

Modification events

(PID) Process:(2824) gameservers.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2824) gameservers.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2824) gameservers.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2824) gameservers.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(520) server.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(3808) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3808) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-100
Value:
DHCP Quarantine Enforcement Client
(PID) Process:(3808) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-101
Value:
Provides DHCP based enforcement for NAP
(PID) Process:(3808) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-103
Value:
1.0
(PID) Process:(3808) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%SystemRoot%\system32\dhcpqec.dll,-102
Value:
Microsoft Corporation
Executable files
4
Suspicious files
1
Text files
5
Unknown types
6

Dropped files

PID
Process
Filename
Type
1244WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRB9C9.tmp.cvr —
MD5:—
SHA256:—
2824gameservers.exeC:\Users\admin\AppData\Local\Temp\server.exeexecutable
MD5:—
SHA256:—
520server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8f0ea7d3eefb943b65713c8e9cf0e80Windows Update.exeexecutable
MD5:—
SHA256:—
1244WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:—
SHA256:—
520server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exeexecutable
MD5:—
SHA256:—
1244WINWORD.EXEC:\Users\admin\Desktop\~$satellite.rtfpgc
MD5:—
SHA256:—
1244WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\onsatellite.rtf.LNKlnk
MD5:—
SHA256:—
520server.exeC:\Users\admin\AppData\Local\Temp\StUpdate.exeexecutable
MD5:—
SHA256:—
2824gameservers.exeC:\Users\admin\AppData\Roaming\apptext
MD5:8FC22F973BEC7F0525710DCF02F05EDF
SHA256:BA0E21CEB11B1EC62709B0141373CE65DE5A156B822C9B6D3C3F9ED9AB224A46
1244WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.datini
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
6
DNS requests
2
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1436
setup_wm.exe
GET
302
2.16.186.50:80
http://redir.metaservices.microsoft.com/redir/allservices/?sv=5&version=12.0.7601.17514&locale=409&userlocale=409&geoid=f4&parch=x86&arch=x86
unknown
—
—
whitelisted
1436
setup_wm.exe
GET
200
178.18.231.170:80
http://onlinestores.metaservices.microsoft.com/bing/bing.xml
RU
text
523 b
whitelisted
1436
setup_wm.exe
GET
200
178.18.231.170:80
http://onlinestores.metaservices.microsoft.com/serviceswitching/AllServices.aspx?sv=5&version=12.0.7601.17514&locale=409&userlocale=409&geoid=f4&parch=x86&arch=x86
RU
xml
546 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
520
server.exe
37.1.208.100:1156
—
Swiftway Sp. z o.o.
US
malicious
1436
setup_wm.exe
2.16.186.50:80
redir.metaservices.microsoft.com
Akamai International B.V.
—
whitelisted
1436
setup_wm.exe
178.18.231.170:80
onlinestores.metaservices.microsoft.com
Peering Ltd
RU
unknown

DNS requests

Domain
IP
Reputation
redir.metaservices.microsoft.com
  • 2.16.186.50
  • 2.16.186.57
whitelisted
onlinestores.metaservices.microsoft.com
  • 178.18.231.170
  • 178.18.231.152
whitelisted

Threats

PID
Process
Class
Message
520
server.exe
A Network Trojan was detected
ET TROJAN Generic njRAT/Bladabindi CnC Activity (ll)
520
server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback (Remote Desktop)
520
server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
520
server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
1 ETPRO signatures available at the full report
No debug info
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Reports
gameservers.exe