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File name:

loader.exe

Full analysis: https://app.any.run/tasks/472e815d-10e6-4f57-acbd-7056f6df96ae
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: July 12, 2020, 09:36:44
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:

62407BB3C15ED697B48E1D2140386003

SHA1:

93440D808DB36C68509D242CE4EAD0624F116387

SHA256:

1E454C339776D4D81B2B4638628A0F8058A5EF1C146EAB33105EFD0F81A07995

SSDEEP:

768:yeFUDMmUbCv/cPByrUvS5VrM+rMRa8NuuMtDKQJmJIFBGJu38CclQj0krlqn:faDcbW05KUq5O+gRJNBIOSDqn

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

    • Writes to a start menu file

      • svchost.exe (PID: 440)
    • NJRAT was detected

      • svchost.exe (PID: 440)
    • Changes the autorun value in the registry

      • svchost.exe (PID: 440)
  • SUSPICIOUS

    • Starts itself from another location

      • loader.exe (PID: 2280)
    • Uses NETSH.EXE for network configuration

      • svchost.exe (PID: 440)
    • Executable content was dropped or overwritten

      • loader.exe (PID: 2280)
      • svchost.exe (PID: 440)
    • Creates files in the user directory

      • loader.exe (PID: 2280)
      • svchost.exe (PID: 440)
    • Creates executable files which already exist in Windows

      • loader.exe (PID: 2280)
  • 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

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xabae
UninitializedDataSize: -
InitializedDataSize: 39424
CodeSize: 35840
LinkerVersion: 8
PEType: PE32
TimeStamp: 2020:07:12 09:01:43+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Jul-2020 07:01:43

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: 12-Jul-2020 07:01:43
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
5.60473
.rsrc
0x0000C000
0x0000967C
0x00009800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.47134
.reloc
0x00016000
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.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start loader.exe #NJRAT svchost.exe netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2280"C:\Users\admin\AppData\Local\Temp\loader.exe" C:\Users\admin\AppData\Local\Temp\loader.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
440"C:\Users\admin\AppData\Roaming\svchost.exe" C:\Users\admin\AppData\Roaming\svchost.exe
loader.exe
User:
admin
Integrity Level:
MEDIUM
3960netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLEC:\Windows\system32\netsh.exesvchost.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)
Total events
486
Read events
385
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
440svchost.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b0bd3176429384c042e085db1419fa43.exeexecutable
MD5:62407BB3C15ED697B48E1D2140386003
SHA256:1E454C339776D4D81B2B4638628A0F8058A5EF1C146EAB33105EFD0F81A07995
2280loader.exeC:\Users\admin\AppData\Roaming\svchost.exeexecutable
MD5:62407BB3C15ED697B48E1D2140386003
SHA256:1E454C339776D4D81B2B4638628A0F8058A5EF1C146EAB33105EFD0F81A07995
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
440
svchost.exe
3.135.90.78:1604
0.tcp.ngrok.io
US
malicious

DNS requests

Domain
IP
Reputation
0.tcp.ngrok.io
  • 3.135.90.78
shared

Threats

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