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File name:

Img_200210002111110002100211220.img.exe

Full analysis: https://app.any.run/tasks/e54ab114-d31e-42b5-a4d6-05a4fd9403c2
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: August 13, 2019, 18:22:20
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

5A22EB3CA343CB71D4956478C927BE75

SHA1:

57F674D0F5D23C9E6A710644E992ACBA7EC7E610

SHA256:

CA4D35A06DCCBDF33578C59E095A6F655304A1546CD71CBD76A9A59BEDC3D645

SSDEEP:

12288:shW6vlPMujw1mAV0n5HX90CJneLqDl5WMYrYDXlYv5BPY8kFtfwIyFF:shDvlPMuUXV0n5N0CJ4EWJrXve7wRf

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

      • Img_200210002111110002100211220.img.exe (PID: 1700)
    • NJRAT was detected

      • RegAsm.exe (PID: 2116)
    • Connects to CnC server

      • RegAsm.exe (PID: 2116)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Img_200210002111110002100211220.img.exe (PID: 1700)
    • Starts CHOICE.EXE (used to create a delay)

      • cmd.exe (PID: 2988)
    • Creates files in the user directory

      • Img_200210002111110002100211220.img.exe (PID: 1700)
    • Uses NETSH.EXE for network configuration

      • RegAsm.exe (PID: 2116)
    • Starts CMD.EXE for commands execution

      • Img_200210002111110002100211220.img.exe (PID: 1700)
  • 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.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

ProductVersion: 1.11
ProductName: SocketSniff
OriginalFileName: SocketSniff.exe
LegalCopyright: Copyright © 2008 - 2014 Nir Sofer
InternalName: SocketSniff
FileVersion: 1.11
FileDescription: SocketSniff
CompanyName: NirSoft
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Windows NT 32-bit
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.1.1.0
FileVersionNumber: 1.1.1.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xf019a
UninitializedDataSize: -
InitializedDataSize: 269824
CodeSize: 975360
LinkerVersion: 8
PEType: PE32
TimeStamp: 2019:06:28 13:55:01+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 28-Jun-2019 11:55:01
Detected languages:
  • English - United States
  • German - Germany
  • Hebrew - Israel
CompanyName: NirSoft
FileDescription: SocketSniff
FileVersion: 1.11
InternalName: SocketSniff
LegalCopyright: Copyright © 2008 - 2014 Nir Sofer
OriginalFilename: SocketSniff.exe
ProductName: SocketSniff
ProductVersion: 1.11

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: 28-Jun-2019 11:55:01
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
0x000EE1B0
0x000EE200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.73343
.rsrc
0x000F2000
0x00041A34
0x00041C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.86856
.reloc
0x00134000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
0
2.01924
20
Latin 1 / Western European
English - United States
RT_GROUP_ICON
1
3.34887
712
UNKNOWN
Hebrew - Israel
RT_VERSION
102
7.16803
214016
Latin 1 / Western European
German - Germany
RT_HTML

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start img_200210002111110002100211220.img.exe #NJRAT regasm.exe cmd.exe no specs choice.exe no specs netsh.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1700"C:\Users\admin\AppData\Local\Temp\Img_200210002111110002100211220.img.exe" C:\Users\admin\AppData\Local\Temp\Img_200210002111110002100211220.img.exe
explorer.exe
User:
admin
Company:
NirSoft
Integrity Level:
MEDIUM
Description:
SocketSniff
Exit code:
0
Version:
1.11
2116"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Img_200210002111110002100211220.img.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Version:
4.7.3062.0 built by: NET472REL1
2988"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\admin\AppData\Local\Temp\Img_200210002111110002100211220.img.exe"C:\Windows\System32\cmd.exeImg_200210002111110002100211220.img.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2800choice /C Y /N /D Y /T 3 C:\Windows\system32\choice.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Offers the user a choice
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3144netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" "RegAsm.exe" ENABLEC:\Windows\system32\netsh.exeRegAsm.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
167
Read events
101
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
1700Img_200210002111110002100211220.img.exeC:\Users\admin\AppData\Roaming\hgdfghdffd.exeexecutable
MD5:5A22EB3CA343CB71D4956478C927BE75
SHA256:CA4D35A06DCCBDF33578C59E095A6F655304A1546CD71CBD76A9A59BEDC3D645
1700Img_200210002111110002100211220.img.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bgyuerghf.urltext
MD5:7BEAEBEA37A7E3D9005E506779A44EAD
SHA256:BDCD5C8DA4E3263BBABE7E89C4257422A77FA9DC2309387BE724122123DABEE6
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
3
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
2116
RegAsm.exe
79.134.225.73:6970
bmz.duckdns.org
Andreas Fink trading as Fink Telecom Services
CH
malicious

DNS requests

Domain
IP
Reputation
bmz.duckdns.org
  • 79.134.225.73
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2116
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT/Bladabindi
2116
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
3 ETPRO signatures available at the full report
No debug info