File name:

Silent Exploit Builder PDF-Excel FUD.exe

Full analysis: https://app.any.run/tasks/e142c1ca-c2e7-4195-a392-adfa034c77f8
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 23, 2020, 04:35:16
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:

1B0863D9744B400D0C8922B48C39C31E

SHA1:

8DA9641C7E53F905526EAE9BC829FAFE2A8F3DE1

SHA256:

32905F6A5536B7E77BD457479F68AD29EAE863810AE1F5B2CA4AE4A80646C8E0

SSDEEP:

24576:dTMar1rzoxff66fbTdPYcfRw5Zs7HTYHAixuReH8J/eqip1FTMar1rz:TMff6Ab3G5Zy0HAigecJ/T8r

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

      • chrome.exe (PID: 3068)
      • JoK.exe (PID: 3212)

    • Writes to a start menu file

      • chrome.exe (PID: 3068)

    • NJRAT was detected

      • chrome.exe (PID: 3068)

    • Changes the autorun value in the registry

      • chrome.exe (PID: 3068)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Silent Exploit Builder PDF-Excel FUD.exe (PID: 3468)
      • chrome.exe (PID: 3068)
      • JoK.exe (PID: 3212)

    • Starts itself from another location

      • JoK.exe (PID: 3212)

    • Creates files in the user directory

      • chrome.exe (PID: 3068)
      • Silent Exploit Builder PDF-Excel FUD.exe (PID: 3468)

    • Uses NETSH.EXE for network configuration

      • chrome.exe (PID: 3068)

    • Connects to unusual port

      • chrome.exe (PID: 3068)

  • 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

.exe | Generic CIL Executable (.NET, Mono, etc.) (45.1)
.exe | Win32 Executable MS Visual C++ (generic) (19.2)
.exe | Win64 Executable (generic) (17)
.scr | Windows screen saver (8)
.dll | Win32 Dynamic Link Library (generic) (4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:03:18 02:36:13+01:00
PEType: PE32
LinkerVersion: 11
CodeSize: 1336832
InitializedDataSize: 148480
UninitializedDataSize: -
EntryPoint: 0x14841e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
FileDescription: Silent Exploit Builder PDF-Excel FUD
FileVersion: 1.0.0.0
InternalName: Silent Exploit Builder PDF-Excel FUD.exe
LegalCopyright: Copyright © 2019
OriginalFileName: Silent Exploit Builder PDF-Excel FUD.exe
ProductName: Silent Exploit Builder PDF-Excel FUD
ProductVersion: 1.0.0.0
AssemblyVersion: 1.0.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 18-Mar-2020 01:36:13
Debug artifacts:
  • D:\Builder Doc Exploit\Source\king\Silent Exploit Builder PDF-Excel -Doc-txt FUD\Silent Exploit Builder PDF-Excel FUD\Silent Exploit Builder PDF-Excel FUD\obj\Debug\Silent Exploit Builder PDF-Excel FUD.pdb
FileDescription: Silent Exploit Builder PDF-Excel FUD
FileVersion: 1.0.0.0
InternalName: Silent Exploit Builder PDF-Excel FUD.exe
LegalCopyright: Copyright © 2019
OriginalFilename: Silent Exploit Builder PDF-Excel FUD.exe
ProductName: Silent Exploit Builder PDF-Excel FUD
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 4
Time date stamp: 18-Mar-2020 01:36:13
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
0x00146424
0x00146600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.89273
.sdata
0x0014A000
0x00000138
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.34202
.rsrc
0x0014C000
0x00023F10
0x00024000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.87877
.reloc
0x00170000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
5.86113
1128
UNKNOWN
UNKNOWN
RT_ICON
3
5.75961
4392
UNKNOWN
UNKNOWN
RT_ICON
4
5.62288
9832
UNKNOWN
UNKNOWN
RT_ICON
5
7.98523
129941
UNKNOWN
UNKNOWN
RT_ICON
32512
2.5955
62
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start drop and start silent exploit builder pdf-excel fud.exe jok.exe #NJRAT chrome.exe netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2620netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLEC:\Windows\system32\netsh.exe—chrome.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:\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
3068"C:\Users\admin\AppData\Local\Temp\chrome.exe" C:\Users\admin\AppData\Local\Temp\chrome.exe
JoK.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\chrome.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3212"C:\Users\admin\AppData\Roaming\JoK.exe" C:\Users\admin\AppData\Roaming\JoK.exe
Silent Exploit Builder PDF-Excel FUD.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\roaming\jok.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3468"C:\Users\admin\AppData\Local\Temp\Silent Exploit Builder PDF-Excel FUD.exe" C:\Users\admin\AppData\Local\Temp\Silent Exploit Builder PDF-Excel FUD.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Silent Exploit Builder PDF-Excel FUD
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\silent exploit builder pdf-excel fud.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
1 222
Read events
1 021
Write events
200
Delete events
1

Modification events

(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
02020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
02000000010000000A0000000700000009000000080000000000000006000000030000000500000004000000FFFFFFFF
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\2
Operation:writeName:MRUListEx
Value:
0000000001000000FFFFFFFF
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_FolderType
Value:
{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_TopViewID
Value:
{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg
Operation:writeName:TV_TopViewVersion
Value:
0
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
01000000020000000A0000000700000009000000080000000000000006000000030000000500000004000000FFFFFFFF
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
Operation:writeName:Mode
Value:
4
(PID) Process:(3468) Silent Exploit Builder PDF-Excel FUD.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}
Operation:writeName:LogicalViewMode
Value:
1
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3068chrome.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ce2976173139cc58d7c6e8786e57d226.exeexecutable
MD5:8D9F21921CE829C105907B1A048004CE
SHA256:AF3F5A086569AB4B63015E3AC1947CD314D96651DE17B43C6315FEF08D1CF97E
3212JoK.exeC:\Users\admin\AppData\Local\Temp\chrome.exeexecutable
MD5:8D9F21921CE829C105907B1A048004CE
SHA256:AF3F5A086569AB4B63015E3AC1947CD314D96651DE17B43C6315FEF08D1CF97E
3468Silent Exploit Builder PDF-Excel FUD.exeC:\Users\admin\AppData\Roaming\JoK.exeexecutable
MD5:8D9F21921CE829C105907B1A048004CE
SHA256:AF3F5A086569AB4B63015E3AC1947CD314D96651DE17B43C6315FEF08D1CF97E
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
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
3068
chrome.exe
41.46.31.140:1919
axaxaxaxaxax.zapto.org
TE-AS
EG
unknown

DNS requests

Domain
IP
Reputation
axaxaxaxaxax.zapto.org
  • 41.46.31.140
malicious

Threats

PID
Process
Class
Message
1052
svchost.exe
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.zapto .org
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
Silent Exploit Builder PDF-Excel FUD.exe