File name:

avira.exe

Full analysis: https://app.any.run/tasks/d108a38d-c282-4088-b6ff-1b30d762c96b
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 16, 2024, 17:59:04
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
remote
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

BE0A43472FC227B6EE51855C7C22454A

SHA1:

74F0D9EA16EE1F258B87087D227E776429928C1A

SHA256:

B655509B07BA4E75630E01251C626749680EF0D393E35158A7C13649435554CB

SSDEEP:

49152:AgtwweC40St+rthgftZBhU9El1GV64Ulwb9GqUIXSr9qcZvMoAWaqB/O+8q/FRV0:kft+JhgftZTIatlwhGqxXSr94Qp8q/Fe

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

    • Connects to the CnC server

      • java_update.exe (PID: 1356)

    • NJRAT has been detected (SURICATA)

      • java_update.exe (PID: 1356)

    • Drops the executable file immediately after the start

      • java_update.exe (PID: 1356)
      • avira.exe (PID: 2184)

    • Create files in the Startup directory

      • java_update.exe (PID: 1356)

    • Changes the autorun value in the registry

      • java_update.exe (PID: 1356)

    • NjRAT is detected

      • java_update.exe (PID: 1356)

    • NJRAT has been detected (YARA)

      • java_update.exe (PID: 1356)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • avira.exe (PID: 2184)
      • java_update.exe (PID: 1356)

    • Starts itself from another location

      • avira.exe (PID: 2184)

    • Reads the Internet Settings

      • avira.exe (PID: 2184)

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

      • java_update.exe (PID: 1356)

    • Connects to unusual port

      • java_update.exe (PID: 1356)

  • INFO

    • Checks supported languages

      • avira.exe (PID: 2184)
      • java_update.exe (PID: 1356)

    • Create files in a temporary directory

      • avira.exe (PID: 2184)

    • Creates files or folders in the user directory

      • java_update.exe (PID: 1356)

    • Reads the machine GUID from the registry

      • java_update.exe (PID: 1356)
      • avira.exe (PID: 2184)

    • Manual execution by a user

      • taskmgr.exe (PID: 1576)

    • Reads the computer name

      • java_update.exe (PID: 1356)
      • avira.exe (PID: 2184)

    • Reads Environment values

      • java_update.exe (PID: 1356)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

NjRat

(PID) Process(1356) java_update.exe
C27.tcp.eu.ngrok.io
Ports18827
Botnetpon
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\c233d3360136f8cd31c8bd3496e159a7
Splitter|'|'|
Versionim523
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (61.6)
.dll | Win32 Dynamic Link Library (generic) (14.6)
.exe | Win32 Executable (generic) (10)
.exe | Win16/32 Executable Delphi generic (4.6)
.exe | Generic Win/DOS Executable (4.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:02:23 13:11:02+01:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 2.25
CodeSize: 35840
InitializedDataSize: 28160
UninitializedDataSize: -
EntryPoint: 0x3957
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start avira.exe #NJRAT java_update.exe netsh.exe no specs taskmgr.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
480netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\java_update.exe" "java_update.exe" ENABLEC:\Windows\System32\netsh.exe—java_update.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
1356"C:\Users\admin\AppData\Local\Temp\java_update.exe" C:\Users\admin\AppData\Local\Temp\java_update.exe
avira.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\java_update.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\advapi32.dll
NjRat
(PID) Process(1356) java_update.exe
C27.tcp.eu.ngrok.io
Ports18827
Botnetpon
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\c233d3360136f8cd31c8bd3496e159a7
Splitter|'|'|
Versionim523
1576"C:\Windows\system32\taskmgr.exe" C:\Windows\System32\taskmgr.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Task Manager
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskmgr.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\gdi32.dll
c:\windows\system32\user32.dll
2184"C:\Users\admin\AppData\Local\Temp\avira.exe" C:\Users\admin\AppData\Local\Temp\avira.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\avira.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\advapi32.dll
Total events
1 974
Read events
1 860
Write events
114
Delete events
0

Modification events

(PID) Process:(2184) avira.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2184) avira.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2184) avira.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2184) avira.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(1356) java_update.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(480) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1356) java_update.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:c233d3360136f8cd31c8bd3496e159a7
Value:
"C:\Users\admin\AppData\Local\Temp\java_update.exe" ..
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2184avira.exeC:\Users\admin\AppData\Local\Temp\java_update.exeexecutable
MD5:BE0A43472FC227B6EE51855C7C22454A
SHA256:B655509B07BA4E75630E01251C626749680EF0D393E35158A7C13649435554CB
1356java_update.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c233d3360136f8cd31c8bd3496e159a7.exeexecutable
MD5:BE0A43472FC227B6EE51855C7C22454A
SHA256:B655509B07BA4E75630E01251C626749680EF0D393E35158A7C13649435554CB
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
1
Threats
5

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
4
System
192.168.100.255:137
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
1356
java_update.exe
3.68.56.232:18827
7.tcp.eu.ngrok.io
AMAZON-02
DE
unknown

DNS requests

Domain
IP
Reputation
7.tcp.eu.ngrok.io
  • 3.68.56.232
malicious

Threats

PID
Process
Class
Message
1080
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
1356
java_update.exe
Malware Command and Control Activity Detected
ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
3 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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Reports
avira.exe