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File name:

FortAim_v4.exe

Full analysis: https://app.any.run/tasks/5604e1fd-e15f-4a2e-ad3f-8d1986353610
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: March 22, 2019, 13:16:26
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

084556BB528F5431581015EBC3B5062D

SHA1:

3A0738FDC52F5F044440CD854E1A0BE08A28CB2C

SHA256:

96925B5AFBF9E61F99A6D3FAFBD4BC70A45BEE2CA5851EFEC789FA571D0122EB

SSDEEP:

6144:sLV6Bta6dtJmakIM5DEN/wjwJsvle+o9f/R:sLV6BtpmkBElepB

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

      • FortAim_v4.exe (PID: 3692)
    • Changes the autorun value in the registry

      • FortAim_v4.exe (PID: 3692)
      • FortAim_v4.exe (PID: 3832)
    • Uses Task Scheduler to run other applications

      • FortAim_v4.exe (PID: 3832)
    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2972)
      • schtasks.exe (PID: 3948)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • FortAim_v4.exe (PID: 3832)
      • FortAim_v4.exe (PID: 3692)
    • Application launched itself

      • FortAim_v4.exe (PID: 3692)
    • Creates files in the user directory

      • FortAim_v4.exe (PID: 3692)
      • FortAim_v4.exe (PID: 3832)
    • Connects to unusual port

      • FortAim_v4.exe (PID: 3832)
    • Creates files in the program directory

      • FortAim_v4.exe (PID: 3832)
  • 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
6.5981
.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
7.99794
89968
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start #NANOCORE fortaim_v4.exe fortaim_v4.exe schtasks.exe no specs schtasks.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3692"C:\Users\admin\AppData\Local\Temp\FortAim_v4.exe" C:\Users\admin\AppData\Local\Temp\FortAim_v4.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3832"C:\Users\admin\AppData\Local\Temp\FortAim_v4.exe" C:\Users\admin\AppData\Local\Temp\FortAim_v4.exe
FortAim_v4.exe
User:
admin
Integrity Level:
HIGH
2972"schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\admin\AppData\Local\Temp\tmpC37.tmp"C:\Windows\system32\schtasks.exeFortAim_v4.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)
3948"schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\admin\AppData\Local\Temp\tmpCE4.tmp"C:\Windows\system32\schtasks.exeFortAim_v4.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
376
Read events
369
Write events
6
Delete events
1

Modification events

(PID) Process:(3692) FortAim_v4.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:(3692) FortAim_v4.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3692) FortAim_v4.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3832) FortAim_v4.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Program Files\TCP Monitor\tcpmon.exe
(PID) Process:(3832) FortAim_v4.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
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
3832FortAim_v4.exeC:\Users\admin\AppData\Local\Temp\tmpC37.tmp
MD5:
SHA256:
3832FortAim_v4.exeC:\Users\admin\AppData\Local\Temp\tmpCE4.tmp
MD5:
SHA256:
3692FortAim_v4.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:D4FC37568E3768333B6AC1CE5A3EA368
SHA256:7FEBD5A0FB4E86B8DE0C759347DF4D627E2D349B41BFB59312C357C26D8FC67D
3832FortAim_v4.exeC:\Program Files\TCP Monitor\tcpmon.exeexecutable
MD5:084556BB528F5431581015EBC3B5062D
SHA256:96925B5AFBF9E61F99A6D3FAFBD4BC70A45BEE2CA5851EFEC789FA571D0122EB
3692FortAim_v4.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:084556BB528F5431581015EBC3B5062D
SHA256:96925B5AFBF9E61F99A6D3FAFBD4BC70A45BEE2CA5851EFEC789FA571D0122EB
3832FortAim_v4.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\task.dattext
MD5:D2B760244E8870648862826929D2F154
SHA256:BB1079D64B2010F8E2D3B44BE5D5E2A8D4475615E678A0A49AB073F90D4EFF26
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
5
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
3832
FortAim_v4.exe
173.245.215.240:1604
nancore.ddns.net
StackPath LLC
US
unknown
3832
FortAim_v4.exe
8.8.8.8:53
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
nancore.ddns.net
  • 173.245.215.240
malicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

No threats detected
No debug info