analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

test.exe

Full analysis: https://app.any.run/tasks/201dba32-c48e-492f-9118-b994b238e2a2
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.

Analysis date: April 01, 2023, 18:13:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

B313172D9BB59CD159359EAB7DC55841

SHA1:

AB947E912BAB3045019C19C92841B00A8251F295

SHA256:

CEB9ED932C30AB979F75BA965731C2571A0DADA9D36D4C5CC18810FD4B8E7726

SSDEEP:

1536:6MDO/oN36tUQviFw1h5XSMBnvbbufLteF3nLrB9z3nfaF9b8S9vM:6MDO/oN36tUQviFCjrBn2fWl9zPaF9bs

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

    • NjRAT is detected

      • Client.exe (PID: 528)
    • Create files in the Startup directory

      • Client.exe (PID: 528)
    • Connects to the CnC server

      • Client.exe (PID: 528)
    • Uses Task Scheduler to run other applications

      • Client.exe (PID: 528)
    • NJRAT detected by memory dumps

      • Client.exe (PID: 528)
    • NJRAT was detected

      • Client.exe (PID: 528)
    • Changes the autorun value in the registry

      • Client.exe (PID: 528)
  • SUSPICIOUS

    • Reads the Internet Settings

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
    • Uses TASKKILL.EXE to kill process

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
    • Starts CMD.EXE for commands execution

      • test.exe (PID: 1900)
    • Starts itself from another location

      • test.exe (PID: 1900)
    • Executable content was dropped or overwritten

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
    • Reads settings of System Certificates

      • Client.exe (PID: 528)
    • Connects to unusual port

      • Client.exe (PID: 528)
  • INFO

    • Checks supported languages

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
      • wmpnscfg.exe (PID: 3028)
    • The process checks LSA protection

      • taskkill.exe (PID: 964)
      • taskkill.exe (PID: 2404)
      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
      • taskkill.exe (PID: 2752)
      • taskkill.exe (PID: 2800)
      • wmpnscfg.exe (PID: 3028)
    • Reads the computer name

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
      • wmpnscfg.exe (PID: 3028)
    • Creates files or folders in the user directory

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
    • Reads the machine GUID from the registry

      • test.exe (PID: 1900)
      • Client.exe (PID: 528)
      • wmpnscfg.exe (PID: 3028)
    • Reads Environment values

      • Client.exe (PID: 528)
    • Manual execution by a user

      • wmpnscfg.exe (PID: 3028)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

NjRat

(PID) Process(528) Client.exe
Versionnull
Options
Splitter|Ghost|
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\Client.exe
Botnetxmm
Ports17857
C20.tcp.eu.ngrok.io
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (45.7)
.exe | Win32 Executable MS Visual C++ (generic) (19.4)
.exe | Win64 Executable (generic) (17.2)
.scr | Windows screen saver (8.1)
.dll | Win32 Dynamic Link Library (generic) (4.1)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x11bfe
UninitializedDataSize: -
InitializedDataSize: 1536
CodeSize: 65024
LinkerVersion: 11
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2023:04:01 18:12:50+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 18:12:50

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: 3
Time date stamp: 01-Apr-2023 18:12:50
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
0x0000FC04
0x0000FE00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.84475
.rsrc
0x00012000
0x00000240
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.96554
.reloc
0x00014000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.96801
487
Latin 1 / Western European
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
12
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start test.exe taskkill.exe no specs taskkill.exe no specs #NJRAT client.exe cmd.exe no specs taskkill.exe no specs taskkill.exe no specs choice.exe no specs taskkill.exe no specs schtasks.exe no specs schtasks.exe no specs wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1900"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
964TASKKILL /F /IM wscript.exeC:\Windows\System32\taskkill.exetest.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\gdi32.dll
2404TASKKILL /F /IM cmd.exeC:\Windows\System32\taskkill.exetest.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\rpcrt4.dll
c:\windows\system32\version.dll
c:\windows\system32\user32.dll
528"C:\Users\admin\AppData\Roaming\Client.exe" C:\Users\admin\AppData\Roaming\Client.exe
test.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\roaming\client.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
NjRat
(PID) Process(528) Client.exe
Versionnull
Options
Splitter|Ghost|
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\Client.exe
Botnetxmm
Ports17857
C20.tcp.eu.ngrok.io
2432"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\admin\AppData\Local\Temp\test.exe"C:\Windows\System32\cmd.exetest.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2752TASKKILL /F /IM wscript.exeC:\Windows\System32\taskkill.exeClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\user32.dll
2800TASKKILL /F /IM cmd.exeC:\Windows\System32\taskkill.exeClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\user32.dll
c:\windows\system32\rpcrt4.dll
2892choice /C Y /N /D Y /T 5 C:\Windows\System32\choice.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Offers the user a choice
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\choice.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.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\rpcrt4.dll
3848taskkill /f im Wireshark.exeC:\Windows\System32\taskkill.exeClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.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\version.dll
c:\windows\system32\user32.dll
3928schtasks /delete /tn "РџРѕРёСЃРє" /fC:\Windows\System32\schtasks.exeClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
1
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
Total events
8 682
Read events
8 536
Write events
140
Delete events
6

Modification events

(PID) Process:(1900) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1900) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1900) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1900) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(528) Client.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(528) Client.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(528) Client.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Client.exe
Value:
"C:\Users\admin\AppData\Roaming\Client.exe" ..
(PID) Process:(3028) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{ABB90632-F888-47C0-AF05-C5ACEDCE64A0}\{D89C5841-56FB-4928-86B6-25D252AE57C8}
Operation:delete keyName:(default)
Value:
(PID) Process:(3028) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{ABB90632-F888-47C0-AF05-C5ACEDCE64A0}
Operation:delete keyName:(default)
Value:
(PID) Process:(3028) wmpnscfg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health\{C6D59391-0B54-43CE-8642-9D0D39AB234E}
Operation:delete keyName:(default)
Value:
Executable files
4
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
1900test.exeC:\Users\admin\AppData\Roaming\Client.exeexecutable
MD5:B313172D9BB59CD159359EAB7DC55841
SHA256:CEB9ED932C30AB979F75BA965731C2571A0DADA9D36D4C5CC18810FD4B8E7726
528Client.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exeexecutable
MD5:B313172D9BB59CD159359EAB7DC55841
SHA256:CEB9ED932C30AB979F75BA965731C2571A0DADA9D36D4C5CC18810FD4B8E7726
528Client.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.urltext
MD5:3B882AAA0F3F7279BB3B072A1AD181FC
SHA256:E66B2188F75F0B5BC998546F60F143CBFD5113273AFDC2A3A08D999A51E298C7
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
2
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
528
Client.exe
3.127.253.86:17940
4.tcp.eu.ngrok.io
AMAZON-02
DE
malicious
172.67.34.170:443
pastebin.com
CLOUDFLARENET
US
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 172.67.34.170
  • 104.20.67.143
  • 104.20.68.143
shared
4.tcp.eu.ngrok.io
  • 3.127.253.86
malicious

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
528
Client.exe
Unknown Classtype
ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
3 ETPRO signatures available at the full report
No debug info