File name:

NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe

Full analysis: https://app.any.run/tasks/0e833dad-1d6a-4f3c-9658-302879f97124
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Malware Trends Tracker     >>>
Analysis date: August 30, 2021, 14:56:42
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

013D0E163FAF36E04EB2CE244A6164A9

SHA1:

1F9C320D1A9B9C2CEF8411FD228E862B446F5D04

SHA256:

4CF3FAFBBB841C4A7628BE6BF4393E1F1DE91ACCD04777A3BADE1D9C94683F6D

SSDEEP:

196608:BZXg/uuzJ4eNyvXQoCV08GzIBcx8OyULg5fy2Sif8E0Wt1FMO0pQS/7v8uz09Olt:s/uuzJtGzzIw8OXmW80cFMrv/jQolt

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

    • Drops executable file immediately after starts

      • NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe (PID: 1800)
      • cs-go.exe (PID: 2580)

    • Application was dropped or rewritten from another process

      • ~~NjRat 0.7D Danger Edition.exe (PID: 3908)
      • RuntimeBroker.exe (PID: 3180)
      • cs-go.exe (PID: 2580)
      • RuntimeBroker.exe (PID: 1516)

    • Changes the autorun value in the registry

      • RuntimeBroker.exe (PID: 3180)

    • ASYNCRAT was detected

      • RuntimeBroker.exe (PID: 1516)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe (PID: 1800)
      • cs-go.exe (PID: 2580)
      • RuntimeBroker.exe (PID: 3180)

    • Checks supported languages

      • NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe (PID: 1800)
      • ~~NjRat 0.7D Danger Edition.exe (PID: 3908)
      • cs-go.exe (PID: 2580)
      • RuntimeBroker.exe (PID: 3180)
      • cmd.exe (PID: 3380)
      • RuntimeBroker.exe (PID: 1516)
      • dw20.exe (PID: 760)

    • Drops a file with too old compile date

      • cs-go.exe (PID: 2580)

    • Reads the computer name

      • cs-go.exe (PID: 2580)
      • RuntimeBroker.exe (PID: 3180)
      • NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe (PID: 1800)
      • ~~NjRat 0.7D Danger Edition.exe (PID: 3908)
      • RuntimeBroker.exe (PID: 1516)
      • dw20.exe (PID: 760)

    • Starts CMD.EXE for commands execution

      • RuntimeBroker.exe (PID: 3180)

    • Creates files in the user directory

      • RuntimeBroker.exe (PID: 3180)

    • Drops a file that was compiled in debug mode

      • NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe (PID: 1800)

    • Reads Environment values

      • RuntimeBroker.exe (PID: 1516)

  • INFO

    • Checks supported languages

      • timeout.exe (PID: 1468)

    • Reads settings of System Certificates

      • RuntimeBroker.exe (PID: 1516)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Delphi generic (37.4)
.scr | Windows screen saver (34.5)
.exe | Win32 Executable (generic) (11.9)
.exe | Win16/32 Executable Delphi generic (5.4)
.exe | Generic Win/DOS Executable (5.2)

EXIF

EXE

AssemblyVersion: 0.0.0.7
ProductVersion: 0.0.0.7
ProductName: CTRIK BY Fransesco
OriginalFileName: NjRat 0.7D Danger Edition.exe
LegalTrademarks: CTRIK BY Fransesco
LegalCopyright: 2017 - 2018
InternalName: NjRat 0.7D Danger Edition.exe
FileVersion: 0.0.0.7
FileDescription: CTRIK BY Fransesco
CompanyName: CTRIK BY Fransesco
Comments: CTRIK BY Fransesco
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.0.0.7
FileVersionNumber: 0.0.0.7
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x20cc
UninitializedDataSize: -
InitializedDataSize: 12427776
CodeSize: 5120
LinkerVersion: 2.25
PEType: PE32
TimeStamp: 1992:06:20 00:22:17+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17
Comments: CTRIK BY Fransesco
CompanyName: CTRIK BY Fransesco
FileDescription: CTRIK BY Fransesco
FileVersion: 0.0.0.7
InternalName: NjRat 0.7D Danger Edition.exe
LegalCopyright: 2017 - 2018
LegalTrademarks: CTRIK BY Fransesco
OriginalFilename: NjRat 0.7D Danger Edition.exe
ProductName: CTRIK BY Fransesco
ProductVersion: 0.0.0.7
Assembly Version: 0.0.0.7

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 8
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
CODE
0x00001000
0x000013B8
0x00001400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.34099
DATA
0x00003000
0x0000007C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.11763
BSS
0x00004000
0x00000695
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x00005000
0x00000302
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.47732
.tls
0x00006000
0x00000004
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x00007000
0x00000018
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
0.199108
.reloc
0x00008000
0x000001C8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
5.7833
.rsrc
0x00009000
0x00BD9614
0x00BD9800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
7.81197

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.37841
996
Latin 1 / Western European
UNKNOWN
RT_VERSION
2
2.19623
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
3
2.48391
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
4
2.78866
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
5
2.11254
16936
Latin 1 / Western European
UNKNOWN
RT_ICON
32512
2.68598
62
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON
A1
7.72262
8640512
Latin 1 / Western European
UNKNOWN
RT_RCDATA
A2
7.96585
3750232
Latin 1 / Western European
UNKNOWN
RT_RCDATA
B1
4.19582
31
Latin 1 / Western European
UNKNOWN
RT_RCDATA
B2
2.9477
9
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

kernel32.dll
shell32.dll
shfolder.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
8
Malicious processes
3
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start njrat 0 7d danger edition by fransesco ctraik.exe ~~njrat 0.7d danger edition.exe cs-go.exe runtimebroker.exe cmd.exe no specs timeout.exe no specs #ASYNCRAT runtimebroker.exe dw20.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
760dw20.exe -x -s 808C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe—~~NjRat 0.7D Danger Edition.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Error Reporting Shim
Exit code:
0
Version:
2.0.50727.5483 (Win7SP1GDR.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\dw20.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
1468timeout 3 C:\Windows\system32\timeout.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.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\ws2_32.dll
1516"C:\Users\admin\AppData\Roaming\RuntimeBroker.exe" C:\Users\admin\AppData\Roaming\RuntimeBroker.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\runtimebroker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\advapi32.dll
1800"C:\Users\admin\AppData\Local\Temp\NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe" C:\Users\admin\AppData\Local\Temp\NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe
Explorer.EXE
User:
admin
Company:
CTRIK BY Fransesco
Integrity Level:
MEDIUM
Description:
CTRIK BY Fransesco
Exit code:
0
Version:
0.0.0.7
Modules
Images
c:\users\admin\appdata\local\temp\njrat 0 7d danger edition by fransesco ctraik.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\shfolder.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
2580"C:\Users\admin\AppData\Local\Temp\cs-go.exe" C:\Users\admin\AppData\Local\Temp\cs-go.exe
NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\cs-go.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\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.24542_none_5c0717c7a00ddc6d\gdiplus.dll
c:\windows\system32\ole32.dll
c:\windows\system32\lpk.dll
3180"C:\Users\admin\AppData\Local\Temp\RarSFX0\RuntimeBroker.exe" C:\Users\admin\AppData\Local\Temp\RarSFX0\RuntimeBroker.exe
cs-go.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rarsfx0\runtimebroker.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
3380C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpC51C.tmp.bat""C:\Windows\system32\cmd.exe—RuntimeBroker.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\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
3908"C:\Users\admin\AppData\Local\Temp\~~NjRat 0.7D Danger Edition.exe" C:\Users\admin\AppData\Local\Temp\~~NjRat 0.7D Danger Edition.exe
NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe
User:
admin
Company:
CTRIK BY Fransesco
Integrity Level:
MEDIUM
Description:
CTRIK BY Fransesco
Exit code:
3221225477
Version:
0.0.0.7
Modules
Images
c:\windows\system32\ntdll.dll
c:\users\admin\appdata\local\temp\~~njrat 0.7d danger edition.exe
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\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
5 526
Read events
5 449
Write events
77
Delete events
0

Modification events

(PID) Process:(1800) NjRat 0 7D Danger Edition BY Fransesco Ctraik.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1800) NjRat 0 7D Danger Edition BY Fransesco Ctraik.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1800) NjRat 0 7D Danger Edition BY Fransesco Ctraik.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1800) NjRat 0 7D Danger Edition BY Fransesco Ctraik.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2580) cs-go.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2580) cs-go.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2580) cs-go.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2580) cs-go.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3180) RuntimeBroker.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\171\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3180) RuntimeBroker.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:RuntimeBroker
Value:
"C:\Users\admin\AppData\Roaming\RuntimeBroker.exe"
Executable files
5
Suspicious files
2
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
760dw20.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_~~njrat 0.7d dan_f5554440955f331f94c9227854975f39fbb7_02e54ae6\Report.wer —
MD5:—
SHA256:—
1516RuntimeBroker.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:—
SHA256:—
1516RuntimeBroker.exeC:\Users\admin\AppData\Local\Temp\CabF18B.tmpcompressed
MD5:—
SHA256:—
1800NjRat 0 7D Danger Edition BY Fransesco Ctraik.exeC:\Users\admin\AppData\Local\Temp\~~NjRat 0.7D Danger Edition.exeexecutable
MD5:EDA04645089D60F5CB602C8012A33E07
SHA256:E6CFF62A0E8E7C654EEC97093A1295773F223CD3A6A11F65C91491CFBD6BE751
3180RuntimeBroker.exeC:\Users\admin\AppData\Local\Temp\tmpC51C.tmp.battext
MD5:—
SHA256:—
1516RuntimeBroker.exeC:\Users\admin\AppData\Local\Temp\TarF18C.tmpcat
MD5:—
SHA256:—
3180RuntimeBroker.exeC:\Users\admin\AppData\Roaming\RuntimeBroker.exeexecutable
MD5:BAB1E7782023D483F8A5DABFEEDFBDB9
SHA256:AE5B0C11DE7F34B1AEF7882DB93BFB3627E6B0E28A32C246127AAA513E68D96D
2580cs-go.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\ks4.021.3.10.391ru_25000.exeexecutable
MD5:4D83ADA7FF12B619BB8CB133ED6184DF
SHA256:6EE6D39843D7A12E48AEA8EF7E680F67FA557E1C0F271440366208AE0C5FDB11
2580cs-go.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\RuntimeBroker.exeexecutable
MD5:BAB1E7782023D483F8A5DABFEEDFBDB9
SHA256:AE5B0C11DE7F34B1AEF7882DB93BFB3627E6B0E28A32C246127AAA513E68D96D
1800NjRat 0 7D Danger Edition BY Fransesco Ctraik.exeC:\Users\admin\AppData\Local\Temp\cs-go.exeexecutable
MD5:98E8A9D94F805FCBE9E0A63BBF55B191
SHA256:50A1BAF460F985096E3359F55AB9389A678454FD82A54B580320407BE9F033D1
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
7
DNS requests
4
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1516
RuntimeBroker.exe
GET
304
67.27.157.254:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?c2a30e33a384d27c
US
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1516
RuntimeBroker.exe
67.27.157.254:80
ctldl.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
1516
RuntimeBroker.exe
151.237.185.211:20090
harnav1.ddns.net
Inter Connects Inc
SE
malicious
—
—
192.168.100.2:53
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
www.microsoft.com
  • —
whitelisted
harnav1.ddns.net
  • 151.237.185.211
malicious
ctldl.windowsupdate.com
  • 67.27.157.254
  • 67.26.83.254
  • 8.248.113.254
  • 8.248.143.254
  • 8.253.95.249
whitelisted

Threats

PID
Process
Class
Message
—
—
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
—
—
A Network Trojan was detected
ET TROJAN Observed Malicious SSL Cert (AsyncRAT Server)
—
—
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
No debug info
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Reports
NjRat 0 7D Danger Edition BY Fransesco Ctraik.exe