File name:

FNAF 1.exe

Full analysis: https://app.any.run/tasks/be36489a-9a65-4c42-9939-d2e550b22606
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Analysis date: February 11, 2022, 07:40:44
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
asyncrat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

7CA57674E2D0801E8F12B41117D85340

SHA1:

3BC6254A9860BBA12A89F315AB90F186C21C5A2D

SHA256:

5F23669FA345882C9214C80BD6581896C134B935A4A72B8802A32249E4FD1813

SSDEEP:

6144:WuG+01T3tadsbfpvJETuZZk4LmXcT6S1aPZ+:WDtad+puuZZkMmMW/o

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

    • Changes the autorun value in the registry

      • FNAF 1.exe (PID: 3768)
    • ASYNCRAT was detected

      • lsass.exe (PID: 2884)
  • SUSPICIOUS

    • Creates files in the user directory

      • FNAF 1.exe (PID: 3768)
    • Checks supported languages

      • FNAF 1.exe (PID: 3768)
      • cmd.exe (PID: 2304)
      • lsass.exe (PID: 2884)
    • Reads the computer name

      • FNAF 1.exe (PID: 3768)
      • lsass.exe (PID: 2884)
    • Starts CMD.EXE for commands execution

      • FNAF 1.exe (PID: 3768)
    • Executable content was dropped or overwritten

      • FNAF 1.exe (PID: 3768)
    • Reads Environment values

      • lsass.exe (PID: 2884)
  • INFO

    • Checks supported languages

      • timeout.exe (PID: 2508)
    • Reads settings of System Certificates

      • lsass.exe (PID: 2884)
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.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

AssemblyVersion: 0.0.0.0
ProductVersion: 0.0.0.0
ProductName: FNAF 1
OriginalFileName: -
LegalTrademarks: -
LegalCopyright: -
InternalName: -
FileVersion: 0.0.0.0
FileDescription: -
CompanyName: Five Nights At Freddy's
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.0.0.0
FileVersionNumber: 0.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xd08e
UninitializedDataSize: -
InitializedDataSize: 212992
CodeSize: 45568
LinkerVersion: 8
PEType: PE32
TimeStamp: 2020:05:10 07:24:51+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-May-2020 05:24:51
Comments: -
CompanyName: Five Nights At Freddy's
FileDescription: -
FileVersion: 0.0.0.0
InternalName: -
LegalCopyright: -
LegalTrademarks: -
OriginalFilename: -
ProductName: FNAF 1
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

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: 10-May-2020 05:24:51
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
0x0000B094
0x0000B200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.61475
.rsrc
0x0000E000
0x00033C08
0x00033E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.15068
.reloc
0x00042000
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
5.22615
1171
Latin 1 / Western European
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start fnaf 1.exe cmd.exe no specs timeout.exe no specs #ASYNCRAT lsass.exe

Process information

PID
CMD
Path
Indicators
Parent process
2304C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpD76C.tmp.bat""C:\Windows\system32\cmd.exeFNAF 1.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2508timeout 3 C:\Windows\system32\timeout.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.exe
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
2884"C:\Users\admin\AppData\Roaming\lsass.exe" C:\Users\admin\AppData\Roaming\lsass.exe
cmd.exe
User:
admin
Company:
Five Nights At Freddy's
Integrity Level:
MEDIUM
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\lsass.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
3768"C:\Users\admin\AppData\Local\Temp\FNAF 1.exe" C:\Users\admin\AppData\Local\Temp\FNAF 1.exe
Explorer.EXE
User:
admin
Company:
Five Nights At Freddy's
Integrity Level:
MEDIUM
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\fnaf 1.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
4 534
Read events
4 505
Write events
29
Delete events
0

Modification events

(PID) Process:(3768) FNAF 1.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3768) FNAF 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:lsass
Value:
"C:\Users\admin\AppData\Roaming\lsass.exe"
(PID) Process:(2884) lsass.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
1
Suspicious files
3
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
3768FNAF 1.exeC:\Users\admin\AppData\Local\Temp\tmpD76C.tmp.battext
MD5:
SHA256:
2884lsass.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:
SHA256:
2884lsass.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0
SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658
2884lsass.exeC:\Users\admin\AppData\Local\Temp\Cab478.tmpcompressed
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0
SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658
2884lsass.exeC:\Users\admin\AppData\Local\Temp\Tar479.tmpcat
MD5:D99661D0893A52A0700B8AE68457351A
SHA256:BDD5111162A6FA25682E18FA74E37E676D49CAFCB5B7207E98E5256D1EF0D003
3768FNAF 1.exeC:\Users\admin\AppData\Roaming\lsass.exeexecutable
MD5:7CA57674E2D0801E8F12B41117D85340
SHA256:5F23669FA345882C9214C80BD6581896C134B935A4A72B8802A32249E4FD1813
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
4
DNS requests
3
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2884
lsass.exe
GET
200
178.79.242.0:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?ffef0345cab2cc04
DE
compressed
59.9 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2884
lsass.exe
185.156.174.147:55042
friendlyman69.ddns.net
M247 Ltd
CZ
malicious
2884
lsass.exe
178.79.242.0:80
ctldl.windowsupdate.com
Limelight Networks, Inc.
DE
whitelisted
192.168.100.2:53
whitelisted

DNS requests

Domain
IP
Reputation
www.microsoft.com
whitelisted
friendlyman69.ddns.net
  • 185.156.174.147
malicious
ctldl.windowsupdate.com
  • 178.79.242.0
  • 95.140.236.0
whitelisted

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.ddns .net
A Network Trojan was detected
ET TROJAN Observed Malicious SSL Cert (AsyncRAT Server)
1 ETPRO signatures available at the full report
No debug info