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File name:

nixware.exe

Full analysis: https://app.any.run/tasks/8c2d39ff-c61c-4e26-95de-6d4bf8005295
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: September 30, 2020, 07:47:50
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

E36546A9EC2C6F91DD874CFAAA3FB02B

SHA1:

FB48DE568058A6C9C2BCC8E3C543031053FA56AA

SHA256:

E838BCB57B405CFF9D9CD0370FFA398E9E74DEB12B811B2CE8CA573FCFC1D85C

SSDEEP:

3072:Y5j6XUQVsn/PcSWoUbYDtNb4OTvIKyhC0:6j8qfZUxOxyh

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

      • tmp3F85.tmp.exe (PID: 1544)
    • Writes to a start menu file

      • server.exe (PID: 3012)
    • Changes the autorun value in the registry

      • tmp3F85.tmp.exe (PID: 1544)
      • server.exe (PID: 3012)
    • Loads the Task Scheduler COM API

      • explorer.exe (PID: 2148)
    • Connects to CnC server

      • server.exe (PID: 3012)
    • NJRAT was detected

      • server.exe (PID: 3012)
  • SUSPICIOUS

    • Starts itself from another location

      • nixware.exe (PID: 3852)
    • Uses NETSH.EXE for network configuration

      • server.exe (PID: 3012)
    • Executable content was dropped or overwritten

      • server.exe (PID: 3012)
      • nixware.exe (PID: 3852)
    • Creates files in the user directory

      • nixware.exe (PID: 3852)
      • server.exe (PID: 3012)
  • 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.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

AssemblyVersion: 1.11.0.0
ProductVersion: 1.11.0.0
OriginalFileName: li.exe
LegalCopyright: Copyright © 2017
InternalName: li.exe
FileVersion: 1.11.0.0
FileDescription:
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.11.0.0
FileVersionNumber: 1.11.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x12e5e
UninitializedDataSize: -
InitializedDataSize: 264192
CodeSize: 69632
LinkerVersion: 8
PEType: PE32
TimeStamp: 2020:09:30 09:42:37+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 30-Sep-2020 07:42:37
FileDescription: -
FileVersion: 1.11.0.0
InternalName: li.exe
LegalCopyright: Copyright © 2017
OriginalFilename: li.exe
ProductVersion: 1.11.0.0
Assembly Version: 1.11.0.0

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: 3
Time date stamp: 30-Sep-2020 07:42:37
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
0x00010E64
0x00011000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
4.62395
.rsrc
0x00014000
0x0004055C
0x00040600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.00232
.reloc
0x00056000
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
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
2.71419
744
Latin 1 / Western European
UNKNOWN
RT_ICON
3
2.53612
296
Latin 1 / Western European
UNKNOWN
RT_ICON
32512
2.47702
34
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start drop and start nixware.exe #NJRAT server.exe netsh.exe no specs tmp3f85.tmp.exe explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3852"C:\Users\admin\AppData\Local\Temp\nixware.exe" C:\Users\admin\AppData\Local\Temp\nixware.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
1.11.0.0
3012"C:\Users\admin\AppData\Roaming\server.exe" C:\Users\admin\AppData\Roaming\server.exe
nixware.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Version:
1.11.0.0
3956netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\server.exe" "server.exe" ENABLEC:\Windows\system32\netsh.exeserver.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)
1544"C:\Users\admin\AppData\Local\Temp\tmp3F85.tmp.exe" C:\Users\admin\AppData\Local\Temp\tmp3F85.tmp.exe
server.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2148"C:\Windows\explorer.exe" C:\Windows\explorer.exetmp3F85.tmp.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
6 717
Read events
6 528
Write events
0
Delete events
0

Modification events

No data
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3852nixware.exeC:\Users\admin\AppData\Roaming\server.exeexecutable
MD5:E36546A9EC2C6F91DD874CFAAA3FB02B
SHA256:E838BCB57B405CFF9D9CD0370FFA398E9E74DEB12B811B2CE8CA573FCFC1D85C
3012server.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9a880da309cfe4c5d8421422f232c41e.exeexecutable
MD5:E36546A9EC2C6F91DD874CFAAA3FB02B
SHA256:E838BCB57B405CFF9D9CD0370FFA398E9E74DEB12B811B2CE8CA573FCFC1D85C
3012server.exeC:\Users\admin\AppData\Local\Temp\tmp3F85.tmp.exeexecutable
MD5:F2EF91C5C44B8E8E73F504925B4C9EBA
SHA256:3659E52CC39B85ACFAA1EB8F57CBF56780F4778C0B900CF7F946DF27E966AA9F
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
3
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
3012
server.exe
95.110.115.67:5552
njrat88.ddns.net
PJSC Bashinformsvyaz
RU
malicious

DNS requests

Domain
IP
Reputation
njrat88.ddns.net
  • 95.110.115.67
malicious
infoupdates.sytes.net
  • 0.0.0.0
malicious

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
3012
server.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
3012
server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback (Message)
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
22 ETPRO signatures available at the full report
No debug info