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File name:

bHFv.exe

Full analysis: https://app.any.run/tasks/8e772238-a4b2-4bf4-a43c-f40617258f3c
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: December 06, 2022, 04:43:18
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:

9DFFC32CD3D9430CA5E9B212508735A5

SHA1:

E87E474A3481BC554AAC7C9941E06413BA0F30DF

SHA256:

F4DDD638A56AB3607B2ECBC00FE2130C0ECE91B6E1D5C816B60AE9038FF217CE

SSDEEP:

384:dLhzkaJcPknNlxlehKNOYUikkdIVYlvM3iY2OzRLTm3yilqq6xNjtVvZ:NK0cu3reOELGlvqisFHVvZ

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

    • NjRAT is detected

      • bHFv.exe (PID: 2944)
  • SUSPICIOUS

    • Reads settings of System Certificates

      • bHFv.exe (PID: 2944)
    • Reads the Internet Settings

      • bHFv.exe (PID: 2944)
    • Connects to unusual port

      • bHFv.exe (PID: 2944)
  • INFO

    • Reads the computer name

      • bHFv.exe (PID: 2944)
    • Reads Environment values

      • bHFv.exe (PID: 2944)
    • Checks supported languages

      • bHFv.exe (PID: 2944)
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)

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 2022-Dec-03 23:27:53
FileDescription: -
FileVersion: 0.0.0.0
InternalName: Server.exe
LegalCopyright: -
OriginalFilename: Server.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

DOS Header

e_magic: MZ
e_cblp: 144
e_cp: 3
e_crlc: -
e_cparhdr: 4
e_minalloc: -
e_maxalloc: 65535
e_ss: -
e_sp: 184
e_csum: -
e_ip: -
e_cs: -
e_ovno: -
e_oemid: -
e_oeminfo: -
e_lfanew: 128

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
NumberofSections: 3
TimeDateStamp: 2022-Dec-03 23:27:53
PointerToSymbolTable: -
NumberOfSymbols: -
SizeOfOptionalHeader: 224
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
8192
23348
23552
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.68666
.rsrc
32768
1240
1536
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.69417
.reloc
40960
12
512
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.13768
580
UNKNOWN
UNKNOWN
RT_VERSION
1 (#2)
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2944"C:\Users\admin\AppData\Local\Temp\bHFv.exe" C:\Users\admin\AppData\Local\Temp\bHFv.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\bhfv.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
3 066
Read events
3 033
Write events
33
Delete events
0

Modification events

(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASMANCS
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2944) bHFv.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bHFv_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
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
210
DNS requests
6
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
2944
bHFv.exe
104.20.67.143:443
pastebin.com
CLOUDFLARENET
malicious
18.229.248.167:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
2944
bHFv.exe
18.229.248.167:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
18.229.146.63:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
2944
bHFv.exe
18.229.146.63:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
54.94.248.37:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
2944
bHFv.exe
54.94.248.37:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
18.228.115.60:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious
2944
bHFv.exe
18.228.115.60:17376
0.tcp.sa.ngrok.io
AMAZON-02
BR
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.67.143
  • 104.20.68.143
  • 172.67.34.170
shared
0.tcp.sa.ngrok.io
  • 18.229.248.167
  • 18.229.146.63
  • 54.94.248.37
  • 18.228.115.60
malicious

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
Potential Corporate Privacy Violation
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
Potential Corporate Privacy Violation
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
Potential Corporate Privacy Violation
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
Potential Corporate Privacy Violation
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
No debug info