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File name:

rust.exe

Full analysis: https://app.any.run/tasks/403ef4bb-b776-4926-a41a-b48c4b09435f
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: September 30, 2020, 11:55:10
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:

DB53CBB2A424F0B53295193C5738E7D9

SHA1:

E4BFA66C1B6DF938DDB6FD77F68FB8CB97D67BEC

SHA256:

5F777E5506256D931BDF274A7C63BCC4F41069F9C92E3CA99E5DEA37A7C876F4

SSDEEP:

768:oIfFtStrFZczxX6aiALG39Vf1vyUUQmIDUu0tiJEj8:lyqp4VpvUQVkTj8

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

      • WindowsService.exe (PID: 3184)
    • Changes the autorun value in the registry

      • WindowsService.exe (PID: 3184)
    • NJRAT was detected

      • WindowsService.exe (PID: 3184)
  • SUSPICIOUS

    • Creates files in the program directory

      • rust.exe (PID: 3164)
    • Executable content was dropped or overwritten

      • WindowsService.exe (PID: 3184)
      • rust.exe (PID: 3164)
    • Creates files in the user directory

      • WindowsService.exe (PID: 3184)
    • Starts itself from another location

      • rust.exe (PID: 3164)
    • Uses NETSH.EXE for network configuration

      • WindowsService.exe (PID: 3184)
  • 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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:09:27 11:02:55+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 30208
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x953e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 5.9.3.1
ProductVersionNumber: 5.9.3.1
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: *Description*
CompanyName: 3UU3EKE36RIL
FileDescription: ATRPW
FileVersion: 5.9.3.1
InternalName: 8IW6RFR89TW3.exe
LegalCopyright: 2LD8RQR1Q934
LegalTrademarks: 8IW6RFR89TW3
OriginalFileName: 8IW6RFR89TW3.exe
ProductName: JPG5ETEKV711
ProductVersion: 5.9.3.1
AssemblyVersion: 2.5.6.6

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 27-Sep-2020 09:02:55
Comments: *Description*
CompanyName: 3UU3EKE36RIL
FileDescription: ATRPW
FileVersion: 5.9.3.1
InternalName: 8IW6RFR89TW3.exe
LegalCopyright: 2LD8RQR1Q934
LegalTrademarks: 8IW6RFR89TW3
OriginalFilename: 8IW6RFR89TW3.exe
ProductName: JPG5ETEKV711
ProductVersion: 5.9.3.1
Assembly Version: 2.5.6.6

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: 27-Sep-2020 09:02:55
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
0x00007544
0x00007600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.65319
.rsrc
0x0000A000
0x000005F3
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.35521
.reloc
0x0000C000
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.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
3164"C:\Users\admin\AppData\Local\Temp\rust.exe" C:\Users\admin\AppData\Local\Temp\rust.exe
explorer.exe
User:
admin
Company:
3UU3EKE36RIL
Integrity Level:
MEDIUM
Description:
ATRPW
Exit code:
0
Version:
5.9.3.1
3184"C:\ProgramData\WindowsService.exe" C:\ProgramData\WindowsService.exe
rust.exe
User:
admin
Company:
3UU3EKE36RIL
Integrity Level:
MEDIUM
Description:
ATRPW
Version:
5.9.3.1
3020netsh firewall add allowedprogram "C:\ProgramData\WindowsService.exe" "WindowsService.exe" ENABLEC:\Windows\system32\netsh.exeWindowsService.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
182
Read events
69
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
3164rust.exeC:\ProgramData\WindowsService.exeexecutable
MD5:DB53CBB2A424F0B53295193C5738E7D9
SHA256:5F777E5506256D931BDF274A7C63BCC4F41069F9C92E3CA99E5DEA37A7C876F4
3184WindowsService.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\83ba57175955d997f2af47cad0106fd3.exeexecutable
MD5:DB53CBB2A424F0B53295193C5738E7D9
SHA256:5F777E5506256D931BDF274A7C63BCC4F41069F9C92E3CA99E5DEA37A7C876F4
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
9
DNS requests
0
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
3184
WindowsService.exe
45.10.88.108:3232
malicious

DNS requests

No data

Threats

No threats detected
No debug info