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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)

    • Connects to CnC server

      • server.exe (PID: 520)

    • NJRAT was detected

      • server.exe (PID: 520)

  • SUSPICIOUS

    • Checks supported languages

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

    • Reads the computer name

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

    • Executable content was dropped or overwritten

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

    • Creates files in the user directory

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

    • Drops a file with a compile date too recent

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

    • Starts itself from another location

      • gameservers.exe (PID: 2824)

    • Reads Environment values

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

    • Uses NETSH.EXE for network configuration

      • server.exe (PID: 520)

    • Executed via Task Scheduler

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

  • INFO

    • Checks supported languages

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

    • Reads the computer name

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

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

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
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
520"C:\Users\admin\AppData\Local\Temp\server.exe" C:\Users\admin\AppData\Local\Temp\server.exe
gameservers.exe
User:
admin
Integrity Level:
MEDIUM
3808netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe" "server.exe" ENABLEC:\Windows\system32\netsh.exe—server.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2940netsh firewall delete allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe"C:\Windows\system32\netsh.exe—server.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3852netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe" "server.exe" ENABLEC:\Windows\system32\netsh.exe—server.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
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)
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
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
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
3432"C:\Program Files\Windows Media Player\wmplayer.exe" /prefetch:1C:\Program Files\Windows Media Player\wmplayer.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player
Exit code:
0
Version:
12.0.7601.23517 (win7sp1_ldr.160812-0732)
Total events
7 357
Read events
6 467
Write events
0
Delete events
0

Modification events

No data
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:—
1244WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\onsatellite.rtf.LNKlnk
MD5:D715AB9D584A78FB31DA45073B628F14
SHA256:021662DBBA0620E7A09BC309E2425EE369374C66E2BF29DA0B5ED6119DBF7FA5
520server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8f0ea7d3eefb943b65713c8e9cf0e80Windows Update.exeexecutable
MD5:C5879B0E11C48DFBE4318E886AF8CED9
SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651
1244WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.datini
MD5:88F3A8EC3822293E01417B2BB6EFEDDF
SHA256:106DAF5031273B71B34C3F7E8D0E5A517EEF85C9C9C71E8AE464BE0C4A1F4863
1244WINWORD.EXEC:\Users\admin\Desktop\~$satellite.rtfpgc
MD5:8FAB78E45F6D4D40F6673D7EACD8C3A0
SHA256:4FBDB2F7CA3C5DD7F3AB1A19F4B2BD88F4AC01E1E00E2347885A36276A71434B
520server.exeC:\Users\admin\AppData\Local\Temp\StUpdate.exeexecutable
MD5:C5879B0E11C48DFBE4318E886AF8CED9
SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651
2824gameservers.exeC:\Users\admin\AppData\Local\Temp\server.exeexecutable
MD5:C5879B0E11C48DFBE4318E886AF8CED9
SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651
520server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exeexecutable
MD5:C5879B0E11C48DFBE4318E886AF8CED9
SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651
1244WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:4DB1C0DEFF5E94FEA895D06B6AA4425A
SHA256:7DD95BBC5A494C70FCD6E82AD3D9D67D3EA7189B4A6473CDFD655F02AF79B9D6
1244WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRF{8CC5EC65-6011-4423-BE1E-92F69CF346C7}.tmpbinary
MD5:397F7005D6F8E36C3248B7C486325B90
SHA256:8B672CBE8CF33D10E14FA8EEB0B866B9EA83795804C6E28092B8B5C818D90073
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
0

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
Interactive malware hunting service ANY.RUN
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Reports
gameservers.exe