File name:

rkfree_setup_2.26_password_123.exe

Full analysis: https://app.any.run/tasks/95dfa78b-5797-4d27-90c5-b6ba1adc8ffa
Verdict: Malicious activity
Analysis date: June 01, 2019, 14:53:45
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

A1757120F75A4E11FB31CD2B58181F11

SHA1:

F504518B3C2715E7A80B3212A44C6C443BC5B28C

SHA256:

F8B3E652711D35DBDF8CAB797A319588A3D0934C89F5491CFA4EFE9641711B87

SSDEEP:

49152:NmB/VPYiporZPiBb90Wz51rPcAMFlKwAVZBxzdkqj9Y:e2iSa04LCAVZ/yq5Y

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

    • Application was dropped or rewritten from another process

      • rvlkl.exe (PID: 1708)
      • rvlkl.exe (PID: 2908)

    • Writes to a start menu file

      • rkfree_setup_2.26_password_123.exe (PID: 3796)

  • SUSPICIOUS

    • Creates files in the program directory

      • rvlkl.exe (PID: 2908)
      • rkfree_setup_2.26_password_123.exe (PID: 3796)

    • Creates files in the Windows directory

      • rkfree_setup_2.26_password_123.exe (PID: 3796)

    • Starts Internet Explorer

      • rkfree_setup_2.26_password_123.exe (PID: 3796)

    • Reads internet explorer settings

      • rvlkl.exe (PID: 2908)

    • Executable content was dropped or overwritten

      • rkfree_setup_2.26_password_123.exe (PID: 3796)

  • INFO

    • Creates files in the user directory

      • iexplore.exe (PID: 1804)

    • Changes settings of System certificates

      • iexplore.exe (PID: 1804)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 1804)

    • Application launched itself

      • iexplore.exe (PID: 3016)

    • Changes internet zones settings

      • iexplore.exe (PID: 3016)

    • Reads internet explorer settings

      • iexplore.exe (PID: 1804)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2017:03:31 15:49:37+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 100864
InitializedDataSize: 1537024
UninitializedDataSize: -
EntryPoint: 0xe194
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 31-Mar-2017 13:49:37
Detected languages:
  • English - United States
Debug artifacts:
  • C:\Users\Alan\documents\visual studio 2015\Projects\rvlkl_setup\Release\rvlkl_setup.pdb

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 31-Mar-2017 13:49:37
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000189E9
0x00018A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.51042
.rdata
0x0001A000
0x00009118
0x00009200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.03516
.data
0x00024000
0x000017D0
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.29991
.gfids
0x00026000
0x00000100
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.11837
.rsrc
0x00027000
0x0016A908
0x0016AA00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.95051
.reloc
0x00192000
0x00001D38
0x00001E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.67853

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.10888
1517
UNKNOWN
English - United States
RT_MANIFEST
2
3.75437
744
UNKNOWN
English - United States
RT_ICON
3
3.15676
296
UNKNOWN
English - United States
RT_ICON
4
5.9347
3752
UNKNOWN
English - United States
RT_ICON
5
6.3063
2216
UNKNOWN
English - United States
RT_ICON
6
4.91464
1384
UNKNOWN
English - United States
RT_ICON
7
5.71784
9640
UNKNOWN
English - United States
RT_ICON
8
6.12515
1128
UNKNOWN
English - United States
RT_ICON
500
2.87666
118
UNKNOWN
English - United States
RT_GROUP_ICON
511
7.96633
8642
UNKNOWN
English - United States
PNG

Imports

ADVAPI32.dll
COMCTL32.dll
CRYPT32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
SHLWAPI.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
7
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start rkfree_setup_2.26_password_123.exe iexplore.exe iexplore.exe rvlkl.exe no specs rvlkl.exe no specs iexplore.exe no specs rkfree_setup_2.26_password_123.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1708"C:\Windows\system32\rvlkl.exe" C:\Windows\system32\rvlkl.exe—rkfree_setup_2.26_password_123.exe
User:
admin
Company:
Logixoft
Integrity Level:
HIGH
Description:
Revealer Keylogger Free
Exit code:
3221226540
Version:
2.2.6.0
Modules
Images
c:\windows\system32\rvlkl.exe
c:\systemroot\system32\ntdll.dll
1804"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3016 CREDAT:79873C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
1073807364
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.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\system32\gdi32.dll
c:\windows\system32\user32.dll
1856"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3016 CREDAT:14339C:\Program Files\Internet Explorer\iexplore.exe—iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
3221225794
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.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\system32\user32.dll
c:\windows\system32\lpk.dll
2908"C:\Windows\system32\rvlkl.exe" C:\Windows\system32\rvlkl.exe—rkfree_setup_2.26_password_123.exe
User:
admin
Company:
Logixoft
Integrity Level:
HIGH
Description:
Revealer Keylogger Free
Exit code:
1073807364
Version:
2.2.6.0
Modules
Images
c:\windows\system32\rvlkl.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\comdlg32.dll
3016"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
rkfree_setup_2.26_password_123.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Exit code:
1073807364
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\system32\ntdll.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\system32\user32.dll
c:\windows\system32\gdi32.dll
3420"C:\Users\admin\AppData\Local\Temp\rkfree_setup_2.26_password_123.exe" C:\Users\admin\AppData\Local\Temp\rkfree_setup_2.26_password_123.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\rkfree_setup_2.26_password_123.exe
3796"C:\Users\admin\AppData\Local\Temp\rkfree_setup_2.26_password_123.exe" C:\Users\admin\AppData\Local\Temp\rkfree_setup_2.26_password_123.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\rkfree_setup_2.26_password_123.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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\advapi32.dll
Total events
621
Read events
543
Write events
78
Delete events
0

Modification events

(PID) Process:(3796) rkfree_setup_2.26_password_123.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths
Operation:writeName:C:\Windows\system32\rvlkl.exe
Value:
0
(PID) Process:(3796) rkfree_setup_2.26_password_123.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes
Operation:writeName:C:\Windows\system32\rvlkl.exe
Value:
0
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\AdminActive
Operation:writeName:{193BC83F-847D-11E9-A370-5254004A04AF}
Value:
0
(PID) Process:(3016) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
Executable files
1
Suspicious files
8
Text files
38
Unknown types
4

Dropped files

PID
Process
Filename
Type
3796rkfree_setup_2.26_password_123.exeC:\ProgramData\rvlkl\conf_ —
MD5:—
SHA256:—
3796rkfree_setup_2.26_password_123.exeC:\Windows\system32\rvlkl.exe_ —
MD5:—
SHA256:—
2908rvlkl.exeC:\ProgramData\rvlkl\conf_ —
MD5:—
SHA256:—
3016iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico —
MD5:—
SHA256:—
3016iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
1804iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\dlnowsoft_com[1].txt —
MD5:—
SHA256:—
3796rkfree_setup_2.26_password_123.exeC:\ProgramData\rvlkl\confbinary
MD5:—
SHA256:—
1804iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\PrivacIE\index.datdat
MD5:—
SHA256:—
1804iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\dlnowsoft_com[1].htmhtml
MD5:—
SHA256:—
3796rkfree_setup_2.26_password_123.exeC:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\rvlkl.lnklnk
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
15
DNS requests
10
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3016
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1804
iexplore.exe
79.137.34.56:443
www.dlnowsoft.com
OVH SAS
FR
unknown
3016
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
1804
iexplore.exe
209.197.3.15:443
maxcdn.bootstrapcdn.com
Highwinds Network Group, Inc.
US
whitelisted
1804
iexplore.exe
216.58.207.72:443
www.googletagmanager.com
Google Inc.
US
whitelisted
1804
iexplore.exe
172.217.21.195:443
www.google.fi
Google Inc.
US
whitelisted
1804
iexplore.exe
216.58.207.46:443
www.google-analytics.com
Google Inc.
US
whitelisted
1804
iexplore.exe
172.217.21.234:443
ajax.googleapis.com
Google Inc.
US
whitelisted
1804
iexplore.exe
64.233.166.157:443
stats.g.doubleclick.net
Google Inc.
US
whitelisted
1804
iexplore.exe
172.217.21.228:443
www.google.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
www.dlnowsoft.com
  • 79.137.34.56
malicious
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
www.googletagmanager.com
  • 216.58.207.72
whitelisted
maxcdn.bootstrapcdn.com
  • 209.197.3.15
whitelisted
www.google-analytics.com
  • 216.58.207.46
whitelisted
ajax.googleapis.com
  • 172.217.21.234
  • 172.217.22.10
  • 216.58.206.10
  • 216.58.207.42
  • 216.58.207.74
  • 172.217.16.170
  • 216.58.208.42
  • 172.217.16.138
  • 172.217.22.42
  • 216.58.210.10
  • 172.217.16.202
  • 172.217.18.106
  • 172.217.23.170
  • 172.217.21.202
  • 216.58.205.234
whitelisted
stackpath.bootstrapcdn.com
  • 209.197.3.15
whitelisted
stats.g.doubleclick.net
  • 64.233.166.157
  • 64.233.166.154
  • 64.233.166.156
  • 64.233.166.155
whitelisted
www.google.com
  • 172.217.21.228
malicious
www.google.fi
  • 172.217.21.195
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
rkfree_setup_2.26_password_123.exe