File name:

Server123.exe

Full analysis: https://app.any.run/tasks/167ef14c-c9a6-4bc0-874a-3fa3eaca0aa3
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: April 22, 2021, 11:39:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
njrat
bladabindi
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

F512BC60CE768DACAB722429375A93B3

SHA1:

EF7F7567B4374E4615E1E2FD19314F81B6EC0528

SHA256:

A8891F53A740D0B1FFEFEBD4FC55B225A4897E9ED7ECCA6E89F7588D16671502

SSDEEP:

384:JZysQNU1SoycwJO3l9WhYYsECcEPvTI8Gdz0Iij+ZsNO3PlpJKkkjh/TzF7pWnKU:LQqglcwJkFfDLIBuXQ/oLi+L

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 CnC server

      • Server123.exe (PID: 2572)
    • NJRAT was detected

      • Server123.exe (PID: 2572)
  • SUSPICIOUS

    No suspicious indicators.
  • 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.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2021:04:22 13:39:00+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 41984
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0xc37e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Apr-2021 11:39:00

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: 22-Apr-2021 11:39:00
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
0x0000A384
0x0000A400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.6988
.rsrc
0x0000E000
0x00000400
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.51607
.reloc
0x00010000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NJRAT server123.exe

Process information

PID
CMD
Path
Indicators
Parent process
2572"C:\Users\admin\AppData\Local\Temp\Server123.exe" C:\Users\admin\AppData\Local\Temp\Server123.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\server123.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
66
Read events
64
Write events
2
Delete events
0

Modification events

(PID) Process:(2572) Server123.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2572) Server123.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
24
DNS requests
3
Threats
125

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
2572
Server123.exe
3.17.7.232:19132
0.tcp.ngrok.io
US
malicious
2572
Server123.exe
3.14.182.203:19132
0.tcp.ngrok.io
US
malicious

DNS requests

Domain
IP
Reputation
0.tcp.ngrok.io
  • 3.17.7.232
  • 3.14.182.203
malicious

Threats

PID
Process
Class
Message
1060
svchost.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
1060
svchost.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2572
Server123.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
97 ETPRO signatures available at the full report
No debug info