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File name:

loader.exe

Full analysis: https://app.any.run/tasks/959d698c-880d-490d-a66a-d8c3bf83beff
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.

Malware Trends Tracker     >>>
Analysis date: July 12, 2020, 07:48:43
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

    • Application was dropped or rewritten from another process

      • svchost.exe (PID: 2216)
      • loader.exe (PID: 2332)

    • Writes to a start menu file

      • svchost.exe (PID: 2216)

    • NJRAT was detected

      • svchost.exe (PID: 2216)

    • Changes the autorun value in the registry

      • svchost.exe (PID: 2216)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • loader.exe (PID: 2332)
      • svchost.exe (PID: 2216)

    • Starts itself from another location

      • loader.exe (PID: 2332)

    • Creates files in the user directory

      • loader.exe (PID: 2332)
      • svchost.exe (PID: 2216)

    • Creates executable files which already exist in Windows

      • loader.exe (PID: 2332)

    • Uses NETSH.EXE for network configuration

      • svchost.exe (PID: 2216)

    • Executed via COM

      • DllHost.exe (PID: 2072)

  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 2768)

    • Manual execution by user

      • explorer.exe (PID: 4044)
      • WINWORD.EXE (PID: 2768)
      • explorer.exe (PID: 4068)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 2768)
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: 2020:07:12 09:01:43+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 35840
InitializedDataSize: 39424
UninitializedDataSize: -
EntryPoint: 0xabae
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
7
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 PhotoViewer.dll no specs winword.exe no specs explorer.exe no specs explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2332"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
2216"C:\Users\admin\AppData\Roaming\svchost.exe" C:\Users\admin\AppData\Roaming\svchost.exe
loader.exe
User:
admin
Integrity Level:
MEDIUM
3956netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLEC:\Windows\system32\netsh.exe—svchost.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)
2072C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2768"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\capacitybecause.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Version:
14.0.6024.1000
4044"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
4068"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 961
Read events
1 171
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
0
Text files
2
Unknown types
4

Dropped files

PID
Process
Filename
Type
2768WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRF217.tmp.cvr —
MD5:—
SHA256:—
2216svchost.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b0bd3176429384c042e085db1419fa43.exeexecutable
MD5:62407BB3C15ED697B48E1D2140386003
SHA256:1E454C339776D4D81B2B4638628A0F8058A5EF1C146EAB33105EFD0F81A07995
2768WINWORD.EXEC:\Users\admin\Desktop\~$pacitybecause.rtfpgc
MD5:6C2B6B14392CD66B5BDA2D648CE18EB8
SHA256:3BC0D926DBFA9748B388F7C736C321D6FB6562D29D740D9DF4485E1F1C34B32D
2768WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:49BB9856F250E9A187CE7AC78C52C18E
SHA256:6056FBBBB95DF5AD544275FBE1837EDDBDB441D4705EAC7FFFDE730D6BA707AE
2768WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\capacitybecause.rtf.LNKlnk
MD5:5714865190CDF9117E2FFF8F3C144B95
SHA256:06A3D049FC42B2AEAEA09B35C79C6F2E63DED69F1C92E6F1961259F1AA83ABEC
2768WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dattext
MD5:D30A0EA918E85BF8172803CB0FA3C924
SHA256:87CA3ECDAE8ABD290F0635A075502DDC6D0A723EB7448551E1B4B0AE28954E2F
2332loader.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
2216
svchost.exe
3.17.117.250:1604
0.tcp.ngrok.io
—
US
malicious

DNS requests

Domain
IP
Reputation
0.tcp.ngrok.io
  • 3.17.117.250
shared

Threats

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