File name:

DOC_1109091_01909_1090192_12009.IMG

Full analysis: https://app.any.run/tasks/62cfb5ec-6e3b-43f3-bb4c-c3ffdc4ac13c
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: June 12, 2019, 10:31:22
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
Indicators:
MIME: application/x-iso9660-image
File info: UDF filesystem data (version 1.5) 'DESKTOP'
MD5:

1F7F826D3A2BBAA219BCB267E9C61761

SHA1:

EF9542A3C04398381F58ABB1E3CBDE55C9A8F1B0

SHA256:

EFB0C4B4D5A571DBF47A7850F6009B97F0B4D83AD712206F1E6216F857F857B5

SSDEEP:

6144:7E2AYl6JBWAetbxNnzXoSvFRGb1WXjikr:7lMKRVnzDoxWXWkr

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

    • Application was dropped or rewritten from another process

      • DOC_1109091_01909_1090192_1209.exe (PID: 4016)
      • DOC_1109091_01909_1090192_1209.exe (PID: 3644)
      • DOC_1109091_01909_1090192_1209.exe (PID: 1492)
      • DOC_1109091_01909_1090192_1209.exe (PID: 2628)

    • NJRAT was detected

      • RegAsm.exe (PID: 1744)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3800)

    • Starts CMD.EXE for commands execution

      • DOC_1109091_01909_1090192_1209.exe (PID: 2628)
      • DOC_1109091_01909_1090192_1209.exe (PID: 1492)

    • Starts CHOICE.EXE (used to create a delay)

      • cmd.exe (PID: 2944)
      • cmd.exe (PID: 2084)

    • Uses NETSH.EXE for network configuration

      • RegAsm.exe (PID: 1744)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.iso | ISO 9660 CD image (27.6)
.atn | Photoshop Action (27.1)
.gmc | Game Music Creator Music (6.1)

EXIF

ISO

VolumeName: DESKTOP
VolumeBlockCount: 599
VolumeBlockSize: 2048
RootDirectoryCreateDate: 2019:06:12 07:18:15+08:00
VolumeSetName: UNDEFINED
Software: IMGBURN V2.5.8.0 - THE ULTIMATE IMAGE BURNER!
VolumeCreateDate: 2019:06:12 07:18:15.00+08:00
VolumeModifyDate: 2019:06:12 07:18:15.00+08:00

Composite

VolumeSize: 1198 kB
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
65
Monitored processes
26
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start drop and start drop and start drop and start rundll32.exe no specs winrar.exe no specs winrar.exe doc_1109091_01909_1090192_1209.exe no specs doc_1109091_01909_1090192_1209.exe no specs doc_1109091_01909_1090192_1209.exe doc_1109091_01909_1090192_1209.exe regasm.exe no specs #NJRAT regasm.exe cmd.exe no specs cmd.exe no specs choice.exe no specs choice.exe no specs regasm.exe no specs netsh.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs regasm.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1492"C:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1891\DOC_1109091_01909_1090192_1209.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1891\DOC_1109091_01909_1090192_1209.exe
WinRAR.exe
User:
admin
Company:
Maxthon International ltd.
Integrity Level:
HIGH
Description:
Maxthon Installer
Exit code:
1
Version:
5.2.7.3000
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3800.1891\doc_1109091_01909_1090192_1209.exe
c:\systemroot\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\rpcrt4.dll
1572"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe—DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\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\rpcrt4.dll
1632"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe—DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\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\rpcrt4.dll
1744"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\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\rpcrt4.dll
2084"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1891\DOC_1109091_01909_1090192_1209.exe"C:\Windows\System32\cmd.exe—DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\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\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2312"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe—DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
4294967295
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\system32\ntdll.dll
2392netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" "RegAsm.exe" ENABLEC:\Windows\system32\netsh.exe—RegAsm.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\systemroot\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
2408"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe—DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\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\rpcrt4.dll
2472"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe—DOC_1109091_01909_1090192_1209.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
4294967295
Version:
4.6.1055.0 built by: NETFXREL2
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\regasm.exe
c:\systemroot\system32\ntdll.dll
2628"C:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1929\DOC_1109091_01909_1090192_1209.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1929\DOC_1109091_01909_1090192_1209.exe
WinRAR.exe
User:
admin
Company:
Maxthon International ltd.
Integrity Level:
HIGH
Description:
Maxthon Installer
Exit code:
0
Version:
5.2.7.3000
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3800.1929\doc_1109091_01909_1090192_1209.exe
c:\systemroot\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\rpcrt4.dll
Total events
1 636
Read events
1 391
Write events
244
Delete events
1

Modification events

(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:@C:\Windows\System32\isoburn.exe,-350
Value:
Disc Image File
(PID) Process:(2844) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.iso\OpenWithProgids
Operation:writeName:Windows.IsoFile
Value:
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:writeName:LangID
Value:
0904
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:@%SystemRoot%\System32\isoburn.exe,-352
Value:
Windows Disc Image Burner
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:writeName:C:\Windows\System32\isoburn.exe
Value:
Windows Disc Image Burner
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:writeName:C:\Program Files\WinRAR\WinRAR.exe
Value:
WinRAR archiver
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:writeName:C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
Value:
Adobe Acrobat Reader DC
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:writeName:C:\Windows\eHome\ehshell.exe
Value:
Windows Media Center
(PID) Process:(2844) rundll32.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache
Operation:writeName:C:\Program Files\Internet Explorer\iexplore.exe
Value:
Internet Explorer
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3800WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1891\DOC_1109091_01909_1090192_1209.exeexecutable
MD5:—
SHA256:—
3800WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3800.1929\DOC_1109091_01909_1090192_1209.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
10
DNS requests
1
Threats
1

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
1744
RegAsm.exe
213.208.129.205:5500
1934.duckdns.org
Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AT
malicious

DNS requests

Domain
IP
Reputation
1934.duckdns.org
  • 213.208.129.205
malicious

Threats

PID
Process
Class
Message
1048
svchost.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
No debug info
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Reports
DOC_1109091_01909_1090192_12009.IMG