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File name:

Monoinject.exe

Full analysis: https://app.any.run/tasks/f0efbf85-422b-4669-8aaf-63fdb0daf05f
Verdict: Malicious activity
Threats:

NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website.

Analysis date: August 17, 2019, 14:13:47
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

014E784D43121B50D764661D871FC01B

SHA1:

FAA4872A49D7035774B9033B2360A0A200802834

SHA256:

C1E5DED26321877A3504197F13DC65116C0A145F878ACCC17A5535DC60516297

SSDEEP:

3072:OzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIBJSnfr0CEE9R4szJbGxBzU9yE:OLV6Bta6dtJmakIM5vnz0mJ+zAapxW

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

    • NanoCore was detected

      • Monoinject.exe (PID: 3776)
    • Changes the autorun value in the registry

      • Monoinject.exe (PID: 3776)
      • Monoinject.exe (PID: 3896)
    • Uses Task Scheduler to run other applications

      • Monoinject.exe (PID: 3896)
    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2984)
      • schtasks.exe (PID: 4008)
    • NANOCORE was detected

      • Monoinject.exe (PID: 3896)
    • Connects to CnC server

      • Monoinject.exe (PID: 3896)
  • SUSPICIOUS

    • Creates files in the user directory

      • Monoinject.exe (PID: 3776)
      • Monoinject.exe (PID: 3896)
    • Application launched itself

      • Monoinject.exe (PID: 3776)
    • Executable content was dropped or overwritten

      • Monoinject.exe (PID: 3776)
      • Monoinject.exe (PID: 3896)
    • Creates files in the program directory

      • Monoinject.exe (PID: 3896)
  • 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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2015:02:22 01:49:37+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 116736
InitializedDataSize: 90624
UninitializedDataSize: -
EntryPoint: 0x1e792
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Feb-2015 00:49:37

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: 22-Feb-2015 00:49:37
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0001C798
0x0001C800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.59804
.reloc
0x00020000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191
.rsrc
0x00022000
0x00015FC8
0x00016000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.99781

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.99796
89968
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start #NANOCORE monoinject.exe #NANOCORE monoinject.exe schtasks.exe no specs schtasks.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3776"C:\Users\admin\AppData\Local\Temp\Monoinject.exe" C:\Users\admin\AppData\Local\Temp\Monoinject.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3896"C:\Users\admin\AppData\Local\Temp\Monoinject.exe" C:\Users\admin\AppData\Local\Temp\Monoinject.exe
Monoinject.exe
User:
admin
Integrity Level:
HIGH
2984"schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\admin\AppData\Local\Temp\tmpA1D2.tmp"C:\Windows\system32\schtasks.exeMonoinject.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
4008"schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\admin\AppData\Local\Temp\tmpA270.tmp"C:\Windows\system32\schtasks.exeMonoinject.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
377
Read events
370
Write events
6
Delete events
1

Modification events

(PID) Process:(3776) Monoinject.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe
(PID) Process:(3776) Monoinject.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3776) Monoinject.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3896) Monoinject.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Program Files\TCP Monitor\tcpmon.exe
(PID) Process:(3896) Monoinject.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:delete valueName:TCP Monitor
Value:
C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe
Executable files
2
Suspicious files
1
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
3896Monoinject.exeC:\Users\admin\AppData\Local\Temp\tmpA270.tmp
MD5:
SHA256:
3776Monoinject.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:014E784D43121B50D764661D871FC01B
SHA256:C1E5DED26321877A3504197F13DC65116C0A145F878ACCC17A5535DC60516297
3896Monoinject.exeC:\Program Files\TCP Monitor\tcpmon.exeexecutable
MD5:014E784D43121B50D764661D871FC01B
SHA256:C1E5DED26321877A3504197F13DC65116C0A145F878ACCC17A5535DC60516297
3896Monoinject.exeC:\Users\admin\AppData\Local\Temp\tmpA1D2.tmpxml
MD5:43CAED62985C555FF3D06418BCC3275B
SHA256:0870CEB8AC09A0A02DFE867B45590245CDC0EE9360AAA114B9004DE138AD4728
3896Monoinject.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\task.dattext
MD5:A7CB990ADD4E0A9C575AA7C53C291F01
SHA256:7642B37A411489A81A376E5DADE8156CFBBA5412A377C3D93AF170253279C166
3776Monoinject.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.datbinary
MD5:1DCCD66FF0C624EBD9A1EBAD12D1B9D4
SHA256:908FF2BCE4A027ACCC5DDCA23A835413D23B3F4C9CA61A16E43A77B35175CA60
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
80
DNS requests
40
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
3896
Monoinject.exe
8.8.8.8:53
Google Inc.
US
whitelisted
3896
Monoinject.exe
18.188.14.65:12360
0.tcp.ngrok.io
US
shared
3896
Monoinject.exe
3.19.3.150:12360
0.tcp.ngrok.io
US
malicious
3896
Monoinject.exe
3.14.212.173:12360
0.tcp.ngrok.io
US
shared
3896
Monoinject.exe
18.223.41.243:12360
0.tcp.ngrok.io
Amazon.com, Inc.
US
malicious
8.8.8.8:53
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
0.tcp.ngrok.io
  • 3.19.3.150
  • 18.188.14.65
  • 18.223.41.243
  • 3.14.212.173
shared

Threats

PID
Process
Class
Message
3896
Monoinject.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
3896
Monoinject.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3896
Monoinject.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
3896
Monoinject.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3896
Monoinject.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3896
Monoinject.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
3896
Monoinject.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3896
Monoinject.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
3896
Monoinject.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3896
Monoinject.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
10 ETPRO signatures available at the full report
No debug info