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File name:

Server.exe

Full analysis: https://app.any.run/tasks/dec927bb-7804-4b34-b77b-0d5373c3abf5
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: November 29, 2020, 20:42:01
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
njrat
bladabindi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

B2539CC2D8A864D749C70A25C1AB3CF0

SHA1:

8F9A206E352EDE945861999E0648E80DA3D82319

SHA256:

AB041FAB8A44C74686E3FAA8ECE0A71F0852B52EBE11788908CF9784F2219B61

SSDEEP:

384:teLx1kit8Zf5W9cTYXyc/bBM0izvncnPMInrAF+rMRTyN/0L+EcoinblneHQM3eq:sLxKjjTYic/be0PMmrM+rMRa8Nus/t

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

      • Server.exe (PID: 2396)
    • NJRAT was detected

      • Server.exe (PID: 2396)
  • SUSPICIOUS

    • Uses NETSH.EXE for network configuration

      • Server.exe (PID: 2396)
  • INFO

    • Manual execution by user

      • WINWORD.EXE (PID: 2800)
      • WINWORD.EXE (PID: 2560)
    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2800)
      • WINWORD.EXE (PID: 2560)
    • Creates files in the user directory

      • WINWORD.EXE (PID: 2800)
      • WINWORD.EXE (PID: 2560)
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: 2020:11:29 21:37:39+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 35840
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0xabae
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 29-Nov-2020 20:37:39

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: 29-Nov-2020 20:37:39
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
0x00008BB4
0x00008C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.6029
.rsrc
0x0000C000
0x00000240
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.96877
.reloc
0x0000E000
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
4.96801
487
Latin 1 / Western European
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NJRAT server.exe netsh.exe no specs winword.exe no specs winword.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2396"C:\Users\admin\AppData\Local\Temp\Server.exe" C:\Users\admin\AppData\Local\Temp\Server.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
1204netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\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)
2800"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\kingdomhtml.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
2560"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\kingdomhtml.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Version:
14.0.6024.1000
Total events
2 149
Read events
1 502
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
6
Unknown types
6

Dropped files

PID
Process
Filename
Type
2800WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR67F0.tmp.cvr
MD5:
SHA256:
2800WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{126BE0DB-27D6-4A13-85AB-D595055AC76D}.tmp
MD5:
SHA256:
2800WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{834FA513-187F-45B8-9593-A867159DA6B0}.tmp
MD5:
SHA256:
2800WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRF{DEA0904A-7BCF-4558-BB30-B71997652DD7}.tmp
MD5:
SHA256:
2560WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRB3AE.tmp.cvr
MD5:
SHA256:
2560WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.datini
MD5:6AD9D5297796733CA7BB8530170E9931
SHA256:31A0074A32A67F3ECAF14289AD75A66426680C4FEA575411A18B1E69C53332F9
2800WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\kingdomhtml.rtf.LNKlnk
MD5:ABB0FC215E40B8BE66D18618B5D04980
SHA256:14DDA38F03EC26621410B45465C6671E4EF24ABD83BC3DD0E486B304B329A5DE
2800WINWORD.EXEC:\Users\admin\Desktop\~$ngdomhtml.rtfpgc
MD5:2F8D3DCEAD3FC3C8E83242577E1355DC
SHA256:23BD19C6DBA7F7D0F23621B5BF7690CA22B86567A153EFA9EDCB1B719B64076B
2800WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:D2A7839291ECE6867157EF56759BB277
SHA256:9874A0CF56274D270AA8FA8B9BF0DEDEF909CF1A545D3C3486EB9886E1CDEC89
2560WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\kingdomhtml.rtf.LNKlnk
MD5:A51E08ED5B51DF343DFB0C91884B21C9
SHA256:52CAF5F3858860E22C632DD71DC8261FD2504C240B7F3572FD8B7E65750AFA65
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
1
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
2396
Server.exe
3.133.207.110:12131
4.tcp.ngrok.io
US
malicious

DNS requests

Domain
IP
Reputation
4.tcp.ngrok.io
  • 3.133.207.110
malicious

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
2396
Server.exe
A Network Trojan was detected
ET TROJAN Bladabindi/njRAT CnC Command (ll)
2396
Server.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi
2396
Server.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
2396
Server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback (Remote Desktop)
2396
Server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
2396
Server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
2396
Server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
2396
Server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
2396
Server.exe
A Network Trojan was detected
ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
7 ETPRO signatures available at the full report
No debug info