File name:

DismHost_4.exe

Full analysis: https://app.any.run/tasks/fde60c31-5095-469b-936a-05ffdffb541e
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 10, 2020, 13:53:22
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:

01AF995383E5A4738D5EA279661A9DED

SHA1:

2334FFE8FDE5B168A3437A29C0E42ABF69D63A10

SHA256:

BC1E502921F01FF5067241B35FBB0E63D8B43C204D0F5551D8793F36C3876A5B

SSDEEP:

384:qB+Sbj6NK0Pw6LZhAHtORGTqDt/ivacbvDKNrCeJE3WNgmpw9uOowVEqsnQro3l7:Ap046Lnwte/iacr45N9w9Dow6xj

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

    • Changes the autorun value in the registry

      • DismHost_4.exe (PID: 1844)
    • Connects to CnC server

      • DismHost.exe (PID: 2988)
    • Changes settings of System certificates

      • DismHost.exe (PID: 2988)
    • NJRAT was detected

      • DismHost.exe (PID: 2988)
  • SUSPICIOUS

    • Starts itself from another location

      • DismHost_4.exe (PID: 1844)
    • Adds / modifies Windows certificates

      • DismHost.exe (PID: 2988)
    • Executable content was dropped or overwritten

      • DismHost_4.exe (PID: 1844)
  • INFO

    • Reads settings of System Certificates

      • DismHost.exe (PID: 2988)
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.) (55.8)
.exe | Win64 Executable (generic) (21)
.scr | Windows screen saver (9.9)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:10:02 12:05:29+02:00
PEType: PE32
LinkerVersion: 11
CodeSize: 28160
InitializedDataSize: 512
UninitializedDataSize: -
EntryPoint: 0x8cde
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 02-Oct-2020 10:05:29

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: 2
Time date stamp: 02-Oct-2020 10:05:29
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
0x00006CE4
0x00006E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.04781
.reloc
0x0000A000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start dismhost_4.exe #NJRAT dismhost.exe

Process information

PID
CMD
Path
Indicators
Parent process
1844"C:\Users\admin\AppData\Local\Temp\DismHost_4.exe" C:\Users\admin\AppData\Local\Temp\DismHost_4.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\dismhost_4.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
2988"C:\Users\admin\AppData\Local\Temp\DismHost.exe" C:\Users\admin\AppData\Local\Temp\DismHost.exe
DismHost_4.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\dismhost.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
461
Read events
428
Write events
32
Delete events
1

Modification events

(PID) Process:(1844) DismHost_4.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:DismHost.exe
Value:
C:\Users\admin\AppData\Local\Temp\DismHost.exe
(PID) Process:(1844) DismHost_4.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(1844) DismHost_4.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2988) DismHost.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\DismHost_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
1844DismHost_4.exeC:\Users\admin\AppData\Local\Temp\DismHost.exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
3
Threats
9

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
2988
DismHost.exe
104.23.99.190:443
pastebin.com
Cloudflare Inc
US
malicious
2988
DismHost.exe
52.14.18.129:14343
2.tcp.ngrok.io
Amazon.com, Inc.
US
malicious
2988
DismHost.exe
3.131.207.170:14343
2.tcp.ngrok.io
US
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.23.99.190
  • 104.23.98.190
malicious
2.tcp.ngrok.io
  • 52.14.18.129
  • 3.131.207.170
malicious

Threats

PID
Process
Class
Message
1064
svchost.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
2988
DismHost.exe
A Network Trojan was detected
MALWARE [PTsecurity] Lime-RAT (Gen.NjRAT)
2988
DismHost.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT)
1064
svchost.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
2988
DismHost.exe
A Network Trojan was detected
MALWARE [PTsecurity] Lime-RAT (Gen.NjRAT)
2988
DismHost.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT)
3 ETPRO signatures available at the full report
No debug info