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File name:

test.exe

Full analysis: https://app.any.run/tasks/15132378-57fb-4b7a-aa23-9d9ebfe02ebb
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: April 01, 2023, 15:59:58
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
njrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

8B5EBE86FF3A933B3C025D1237A7228B

SHA1:

C9864F42BD1D99DD273C1637EE0803D9371E44CF

SHA256:

8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E

SSDEEP:

768:LY3wGU6xgrKSMZAZL28d2WmtlX+RRoP++WqXxrjEtCdnl2pi1Rz4Rk3s7sGdpZgM:FGRxg1L2AZmDL+2jEwzGi1dD83DZgS

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

    • Create files in the Startup directory

      • server.exe (PID: 3176)

    • NJRAT detected by memory dumps

      • server.exe (PID: 3176)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • test.exe (PID: 2368)
      • server.exe (PID: 3176)

    • Starts itself from another location

      • test.exe (PID: 2368)

    • Reads the Internet Settings

      • test.exe (PID: 2368)

    • Uses NETSH.EXE to add a firewall rule or allowed programs

      • server.exe (PID: 3176)

    • Uses NETSH.EXE to delete a firewall rule or allowed programs

      • server.exe (PID: 3176)

    • Connects to unusual port

      • server.exe (PID: 3176)

  • INFO

    • Reads the computer name

      • test.exe (PID: 2368)
      • server.exe (PID: 3176)

    • The process checks LSA protection

      • test.exe (PID: 2368)
      • netsh.exe (PID: 3324)
      • server.exe (PID: 3176)
      • netsh.exe (PID: 4036)
      • netsh.exe (PID: 1748)

    • Reads the machine GUID from the registry

      • test.exe (PID: 2368)
      • server.exe (PID: 3176)

    • Checks supported languages

      • test.exe (PID: 2368)
      • server.exe (PID: 3176)

    • Create files in a temporary directory

      • test.exe (PID: 2368)
      • server.exe (PID: 3176)

    • Creates files or folders in the user directory

      • test.exe (PID: 2368)
      • server.exe (PID: 3176)

    • Reads Environment values

      • server.exe (PID: 3176)

    • [YARA] Firewall manipulation strings were found

      • server.exe (PID: 3176)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

NjRat

(PID) Process(3176) server.exe
Version0.7d
Options
Splitter|'|'|
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\4dbce8505b5df0ab16d70b01afbc6d80
Botnet1234
Ports14001
C2151.249.160.138
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
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2023:04:01 15:59:46+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 01-Apr-2023 15:59:46

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: 01-Apr-2023 15:59:46
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
5.59587
.reloc
0x0001A000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Imports

mscoree.dll
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
drop and start start test.exe #NJRAT server.exe netsh.exe no specs netsh.exe no specs netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2368"C:\Users\admin\AppData\Local\Temp\test.exe" C:\Users\admin\AppData\Local\Temp\test.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\test.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\ntdll.dll
3176"C:\Users\admin\AppData\Roaming\server.exe" C:\Users\admin\AppData\Roaming\server.exe
test.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\roaming\server.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
c:\windows\system32\rpcrt4.dll
NjRat
(PID) Process(3176) server.exe
Version0.7d
Options
Splitter|'|'|
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\4dbce8505b5df0ab16d70b01afbc6d80
Botnet1234
Ports14001
C2151.249.160.138
3324netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\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:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.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\system32\credui.dll
c:\windows\system32\gdi32.dll
4036netsh firewall delete allowedprogram "C:\Users\admin\AppData\Roaming\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)
Modules
Images
c:\windows\system32\netsh.exe
c:\windows\system32\ntdll.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\credui.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
1748netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\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:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.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\credui.dll
c:\windows\system32\user32.dll
Total events
5 402
Read events
5 110
Write events
292
Delete events
0

Modification events

(PID) Process:(2368) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2368) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2368) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2368) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3324) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1748) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(4036) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
22
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
3176server.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
2368test.exeC:\Users\admin\AppData\Roaming\server.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4dbce8505b5df0ab16d70b01afbc6d80Windows Update.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\AppData\Local\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\Desktop\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
3176server.exeC:\Users\admin\Documents\dota.exeexecutable
MD5:8B5EBE86FF3A933B3C025D1237A7228B
SHA256:8A81C4593C14C03F61D8CD1E9F574344705FB1F3C6A970B16C852FEB9B898B0E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
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
3176
server.exe
151.249.160.138:14001
—
Unitary enterprise A1
BY
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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ANY.RUN
Reports
test.exe