File name:

rkfreeinstall302.exe

Full analysis: https://app.any.run/tasks/3513110a-7666-4586-b928-a6b584590780
Verdict: Malicious activity
Analysis date: September 10, 2024, 18:02:41
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

6F12B81F9C8C1A63FD3D2DE19ABE0FAE

SHA1:

FDE4557585A33B9C31429B336203652F45A73D56

SHA256:

46DAA1444C0305EF1B691380AFD049B7E3868B46AEB9E74A5F7AC43D81B726B6

SSDEEP:

24576:DoDuHJIHmF+TMJfzsUJd7pyrd1R/90qwJfzsUxeOP:FAmsT0bJdEhVZYbxeOP

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

    • Modifies exclusions in Windows Defender

      • rkfree_setup64.exe (PID: 5184)

    • Create files in the Startup directory

      • rvlkl.exe (PID: 3208)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • rkfreeinstall302.exe (PID: 5276)
      • rkfree_setup64.exe (PID: 5184)

    • Reads security settings of Internet Explorer

      • rkfreeinstall302.exe (PID: 5276)
      • rkfree_setup64.exe (PID: 5184)
      • rvlkl.exe (PID: 3352)

    • Detected use of alternative data streams (AltDS)

      • rkfree_setup64.exe (PID: 5184)

    • Reads the date of Windows installation

      • rkfree_setup64.exe (PID: 5184)

  • INFO

    • Create files in a temporary directory

      • rkfreeinstall302.exe (PID: 5276)

    • Checks supported languages

      • rkfreeinstall302.exe (PID: 5276)
      • rkfree_setup64.exe (PID: 5184)
      • rvlkl.exe (PID: 3208)
      • rvlkl.exe (PID: 3352)

    • Reads the computer name

      • rkfreeinstall302.exe (PID: 5276)
      • rkfree_setup64.exe (PID: 5184)
      • rvlkl.exe (PID: 3208)
      • rvlkl.exe (PID: 3352)

    • The process uses the downloaded file

      • rkfreeinstall302.exe (PID: 5276)
      • rkfree_setup64.exe (PID: 5184)

    • Process checks computer location settings

      • rkfreeinstall302.exe (PID: 5276)
      • rkfree_setup64.exe (PID: 5184)

    • Creates files in the program directory

      • rkfree_setup64.exe (PID: 5184)
      • rvlkl.exe (PID: 3208)
      • rvlkl.exe (PID: 3352)

    • Reads the machine GUID from the registry

      • rkfree_setup64.exe (PID: 5184)
      • rvlkl.exe (PID: 3208)
      • rvlkl.exe (PID: 3352)

    • Manual execution by a user

      • rvlkl.exe (PID: 2008)
      • rvlkl.exe (PID: 3352)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2023:02:20 09:51:57+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.29
CodeSize: 90624
InitializedDataSize: 1738752
UninitializedDataSize: -
EntryPoint: 0xbcbc
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
133
Monitored processes
7
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rkfreeinstall302.exe rkfree_setup64.exe rvlkl.exe no specs rvlkl.exe rvlkl.exe no specs rvlkl.exe rkfreeinstall302.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2008"C:\WINDOWS\system32\rvlkl.exe" C:\Windows\System32\rvlkl.exe—explorer.exe
User:
admin
Company:
Logixoft
Integrity Level:
MEDIUM
Description:
Revealer Free
Exit code:
3221226540
Version:
3.0.2.0
Modules
Images
c:\windows\system32\rvlkl.exe
c:\windows\system32\ntdll.dll
3208"C:\WINDOWS\system32\rvlkl.exe" -install -lang 9C:\Windows\System32\rvlkl.exe
rkfree_setup64.exe
User:
admin
Company:
Logixoft
Integrity Level:
HIGH
Description:
Revealer Free
Exit code:
0
Version:
3.0.2.0
Modules
Images
c:\windows\system32\rvlkl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
3352"C:\WINDOWS\system32\rvlkl.exe" C:\Windows\System32\rvlkl.exe
explorer.exe
User:
admin
Company:
Logixoft
Integrity Level:
HIGH
Description:
Revealer Free
Version:
3.0.2.0
Modules
Images
c:\windows\system32\rvlkl.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
3832"C:\WINDOWS\system32\rvlkl.exe" -install -lang 9C:\Windows\System32\rvlkl.exe—rkfree_setup64.exe
User:
admin
Company:
Logixoft
Integrity Level:
HIGH
Description:
Revealer Free
Exit code:
3221226540
Version:
3.0.2.0
Modules
Images
c:\windows\system32\rvlkl.exe
c:\windows\system32\ntdll.dll
4880"C:\Users\admin\Desktop\rkfreeinstall302.exe" C:\Users\admin\Desktop\rkfreeinstall302.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\desktop\rkfreeinstall302.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
5184"C:\Users\admin\AppData\Local\Temp\rkfree_setup\rkfree_setup64.exe" C:\Users\admin\AppData\Local\Temp\rkfree_setup\rkfree_setup64.exe
rkfreeinstall302.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rkfree_setup\rkfree_setup64.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
5276"C:\Users\admin\Desktop\rkfreeinstall302.exe" C:\Users\admin\Desktop\rkfreeinstall302.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\rkfreeinstall302.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
Total events
910
Read events
906
Write events
2
Delete events
2

Modification events

(PID) Process:(5184) rkfree_setup64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run
Operation:delete valueName:rvlkl
Value:
(PID) Process:(5184) rkfree_setup64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run
Operation:delete valueName:rkfree
Value:
(PID) Process:(5184) rkfree_setup64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths
Operation:writeName:C:\WINDOWS\system32\rvlkl.exe
Value:
0
(PID) Process:(5184) rkfree_setup64.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes
Operation:writeName:C:\WINDOWS\system32\rvlkl.exe
Value:
0
Executable files
3
Suspicious files
2
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
3352rvlkl.exeC:\ProgramData\rvlkl\conf_text
MD5:5A4E16DC903DE1A204597D3403C1A009
SHA256:DB812EDA87DB5EEE5B843B85ADE588BCA66957AC1BEA6303CFBAA5DFCA6D07C9
5276rkfreeinstall302.exeC:\Users\admin\AppData\Local\Temp\rkfree_setup\rkfree_setup64.exeexecutable
MD5:2AE115D44F94104757F756289FB7E63A
SHA256:C64BFB0B57F9426E7CDB8EEB2517D48EDC7DAD89A67BBCA1DEB5E1883403B5C2
3208rvlkl.exeC:\ProgramData\rvlkl\conf_binary
MD5:DDC8E01AA11B7F97A04EA9810ED351DF
SHA256:50E6A8AD6E9A10682402613C7D2E71D57540F69B2E17682F2CAE4309B6DC14CF
3208rvlkl.exeC:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\rvlkl.lnkbinary
MD5:ECC4F2A8385FF26EE3CBE8F06D21A6FF
SHA256:6E32EFC744AF276343E380C05B7463A2573EB397A89CE5F0A6DA52B95FA5F9D3
5184rkfree_setup64.exeC:\ProgramData\rvlkl\log.csstext
MD5:A35BD6E012B609D94A076699C5372657
SHA256:6EF8CFC8307115A02E5B60AF549867DC79BDF3018EB95A9417E8E6C3632EABB5
3208rvlkl.exeC:\ProgramData\rvlkl\conftext
MD5:F029B85E498793E0CB73175040B0E24B
SHA256:438084D39D670AC7EC780D9DF98DC9CD57B3008A3923706A4BB7DFE91BB0E2BD
5184rkfree_setup64.exeC:\Windows\System32\rvlkl.exeexecutable
MD5:B09C3B6B4EEA27786B99038235D4164F
SHA256:F92362CA925CC4B6CBC3BD9A236FDD66450A0AD08BE9C67106DE56E04E82670D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
18
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2120
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2120
MoUsoCoreWorker.exe
20.44.239.154:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
SG
whitelisted
—
—
20.44.239.154:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
SG
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2120
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
2120
MoUsoCoreWorker.exe
20.106.86.13:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4324
svchost.exe
20.106.86.13:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
3888
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
6856
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.44.239.154
  • 20.106.86.13
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.206
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted

Threats

No threats detected
No debug info
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Reports
rkfreeinstall302.exe