File name:

vpn-client-2.2.2-release.exe

Full analysis: https://app.any.run/tasks/0789f557-ddbc-4f3c-aa82-47c1f105e65c
Verdict: Malicious activity
Analysis date: August 05, 2020, 16:01:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

43E3EF7766E4352583129CF0EEC72AB7

SHA1:

182577786892E619A4B85270FA8D915C71E63C4C

SHA256:

573B26315D49AB55E10EC39AA092F43FF0A061F3472AD99D3F5F106DADD18C3D

SSDEEP:

98304:4+5LpcUagH964P5CoiS4Ipk8u2bakpomFBH:4+5tBBH84P8S3ijsa9mf

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

    • Loads dropped or rewritten executable

      • vpn-client-2.2.2-release.exe (PID: 3244)
      • drvcfg.exe (PID: 2124)
      • drvcfg.exe (PID: 3800)
      • ipseca.exe (PID: 4028)
      • iked.exe (PID: 4004)
      • devcfg.exe (PID: 2260)
      • ipsecd.exe (PID: 340)
      • ipseca.exe (PID: 1456)
      • activate.exe (PID: 3840)
      • dtpd.exe (PID: 1248)

    • Application was dropped or rewritten from another process

      • ipseca.exe (PID: 4028)
      • drvcfg.exe (PID: 2124)
      • drvcfg.exe (PID: 3800)
      • netcfg.exe (PID: 2772)
      • ipsecd.exe (PID: 340)
      • iked.exe (PID: 4004)
      • devcfg.exe (PID: 2260)
      • dtpd.exe (PID: 1248)
      • activate.exe (PID: 556)
      • activate.exe (PID: 3840)
      • ipseca.exe (PID: 1456)

    • Writes to a start menu file

      • vpn-client-2.2.2-release.exe (PID: 3244)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • vpn-client-2.2.2-release.exe (PID: 3244)
      • drvcfg.exe (PID: 3800)
      • DrvInst.exe (PID: 1232)
      • netcfg.exe (PID: 2772)
      • DrvInst.exe (PID: 3332)

    • Creates files in the Windows directory

      • vpn-client-2.2.2-release.exe (PID: 3244)
      • DrvInst.exe (PID: 2568)
      • DrvInst.exe (PID: 1232)
      • netcfg.exe (PID: 2772)
      • DrvInst.exe (PID: 3332)

    • Creates a software uninstall entry

      • vpn-client-2.2.2-release.exe (PID: 3244)

    • Creates files in the program directory

      • ipseca.exe (PID: 4028)
      • vpn-client-2.2.2-release.exe (PID: 3244)
      • ipsecd.exe (PID: 340)
      • iked.exe (PID: 4004)
      • dtpd.exe (PID: 1248)

    • Executed via COM

      • DrvInst.exe (PID: 2568)
      • DrvInst.exe (PID: 1232)
      • DrvInst.exe (PID: 3332)
      • rundll32.exe (PID: 4052)

    • Removes files from Windows directory

      • DrvInst.exe (PID: 2568)
      • DrvInst.exe (PID: 1232)
      • netcfg.exe (PID: 2772)
      • DrvInst.exe (PID: 3332)

    • Creates files in the driver directory

      • DrvInst.exe (PID: 2568)
      • DrvInst.exe (PID: 1232)
      • netcfg.exe (PID: 2772)
      • DrvInst.exe (PID: 3332)

    • Executed as Windows Service

      • ipsecd.exe (PID: 340)
      • iked.exe (PID: 4004)
      • dtpd.exe (PID: 1248)

    • Creates COM task schedule object

      • vpn-client-2.2.2-release.exe (PID: 3244)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • vpn-client-2.2.2-release.exe (PID: 3244)

    • Adds / modifies Windows certificates

      • DrvInst.exe (PID: 2568)

    • Changes settings of System certificates

      • DrvInst.exe (PID: 2568)

    • Manual execution by user

      • ipseca.exe (PID: 1456)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (91.9)
.exe | Win32 Executable MS Visual C++ (generic) (3.3)
.exe | Win64 Executable (generic) (3)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:12:05 23:53:18+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 25088
InitializedDataSize: 124928
UninitializedDataSize: 1024
EntryPoint: 0x36a0
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-Dec-2009 22:53:18
Detected languages:
  • English - United States

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: 0x000000C8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 05-Dec-2009 22:53:18
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
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000061A4
0x00006200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44297
.rdata
0x00008000
0x000011E0
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.3067
.data
0x0000A000
0x0001C3F8
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.1303
.ndata
0x00027000
0x0000D000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00034000
0x000065E8
0x00006600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.06092

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.10394
533
UNKNOWN
English - United States
RT_MANIFEST
2
4.89539
4264
UNKNOWN
English - United States
RT_ICON
3
5.3403
3752
UNKNOWN
English - United States
RT_ICON
4
5.86327
2216
UNKNOWN
English - United States
RT_ICON
5
4.97538
1128
UNKNOWN
English - United States
RT_ICON
102
2.71813
180
UNKNOWN
English - United States
RT_DIALOG
103
2.63025
76
UNKNOWN
English - United States
RT_GROUP_ICON
104
2.70992
344
UNKNOWN
English - United States
RT_DIALOG
105
2.68372
512
UNKNOWN
English - United States
RT_DIALOG
106
2.91148
248
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
57
Monitored processes
17
Malicious processes
10
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start drop and start drop and start drop and start start vpn-client-2.2.2-release.exe ipseca.exe no specs drvcfg.exe no specs drvinst.exe no specs netcfg.exe drvcfg.exe drvinst.exe devcfg.exe no specs drvinst.exe ipsecd.exe no specs iked.exe no specs dtpd.exe no specs rundll32.exe no specs ipseca.exe activate.exe no specs activate.exe vpn-client-2.2.2-release.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
340"C:\Program Files\ShrewSoft\VPN Client\ipsecd.exe" -serviceC:\Program Files\ShrewSoft\VPN Client\ipsecd.exe—services.exe
User:
SYSTEM
Integrity Level:
SYSTEM
Exit code:
0
Modules
Images
c:\program files\shrewsoft\vpn client\ipsecd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
556"C:\Program Files\ShrewSoft\VPN Client\activate.exe" C:\Program Files\ShrewSoft\VPN Client\activate.exe—ipseca.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\program files\shrewsoft\vpn client\activate.exe
c:\systemroot\system32\ntdll.dll
928"C:\Users\admin\AppData\Local\Temp\vpn-client-2.2.2-release.exe" C:\Users\admin\AppData\Local\Temp\vpn-client-2.2.2-release.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\vpn-client-2.2.2-release.exe
c:\systemroot\system32\ntdll.dll
1232DrvInst.exe "4" "20" "C:\Users\admin\AppData\Local\Temp\{261ca5d0-80fd-153d-2c49-4f65560c4138}\virtualnet.inf" "0" "6df63bb27" "00000548" "WinSta0\Default" "0000054C" "208" "C:\Program Files\ShrewSoft\VPN Client\drivers"C:\Windows\system32\DrvInst.exe
svchost.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Driver Installation Module
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\drvinst.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1248"C:\Program Files\ShrewSoft\VPN Client\dtpd.exe" -serviceC:\Program Files\ShrewSoft\VPN Client\dtpd.exe—services.exe
User:
SYSTEM
Integrity Level:
SYSTEM
Exit code:
0
Modules
Images
c:\program files\shrewsoft\vpn client\dtpd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
1456"C:\Program Files\ShrewSoft\VPN Client\ipseca.exe" C:\Program Files\ShrewSoft\VPN Client\ipseca.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\program files\shrewsoft\vpn client\ipseca.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2124"C:\Program Files\ShrewSoft\VPN Client\drvcfg.exe" -pre C:\Program Files\ShrewSoft\VPN Client\drivers\vfilter.infC:\Program Files\ShrewSoft\VPN Client\drvcfg.exe—vpn-client-2.2.2-release.exe
User:
admin
Integrity Level:
HIGH
Exit code:
3221225547
Modules
Images
c:\program files\shrewsoft\vpn client\drvcfg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\difxapi.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
2260"C:\Program Files\ShrewSoft\VPN Client\devcfg.exe" -add net vnet C:\Program Files\ShrewSoft\VPN Client\drivers\virtualnet.infC:\Program Files\ShrewSoft\VPN Client\devcfg.exe—vpn-client-2.2.2-release.exe
User:
admin
Integrity Level:
HIGH
Exit code:
3221225547
Modules
Images
c:\program files\shrewsoft\vpn client\devcfg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
2568DrvInst.exe "4" "20" "C:\Users\admin\AppData\Local\Temp\{2427d64c-c20d-6fb0-46e9-6d1c2c651862}\vfilter.inf" "0" "62853ac57" "000003DC" "WinSta0\Default" "000003D4" "208" "C:\Program Files\ShrewSoft\VPN Client\drivers"C:\Windows\system32\DrvInst.exe—svchost.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Driver Installation Module
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\drvinst.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
2772"C:\Program Files\ShrewSoft\VPN Client\netcfg.exe" -add service vflt C:\Program Files\ShrewSoft\VPN Client\drivers\vfilter.infC:\Program Files\ShrewSoft\VPN Client\netcfg.exe
vpn-client-2.2.2-release.exe
User:
admin
Integrity Level:
HIGH
Exit code:
3221225547
Modules
Images
c:\program files\shrewsoft\vpn client\netcfg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
Total events
1 171
Read events
709
Write events
418
Delete events
44

Modification events

(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\ShrewSoft\vpn
Operation:writeName:path
Value:
C:\Program Files\ShrewSoft\VPN Client
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\ShrewSoft\vpn
Operation:writeName:logfile-iked
Value:
C:\Program Files\ShrewSoft\VPN Client\debug\iked.log
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\ShrewSoft\vpn
Operation:writeName:logfile-dtpd
Value:
C:\Program Files\ShrewSoft\VPN Client\debug\dtpd.log
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\ShrewSoft\vpn
Operation:writeName:logfile-ipsecd
Value:
C:\Program Files\ShrewSoft\VPN Client\debug\ipsec.log
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\ShrewSoft\vpn
Operation:writeName:loglevel
Value:
0
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Shrew Soft VPN Client
Operation:writeName:DisplayName
Value:
Shrew Soft VPN Client
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Shrew Soft VPN Client
Operation:writeName:UninstallString
Value:
"C:\Program Files\ShrewSoft\VPN Client\uninstall.exe"
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Shrew Soft VPN Client
Operation:writeName:NoModify
Value:
1
(PID) Process:(3244) vpn-client-2.2.2-release.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Shrew Soft VPN Client
Operation:writeName:NoRepair
Value:
1
(PID) Process:(4028) ipseca.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\ShrewSoft\vpn
Operation:writeName:bindat
Value:
585D5E378B0F2D8BD0DC7C26C6EDC731960E640C95C3E2ABDEEBF629A377AF1D
Executable files
34
Suspicious files
24
Text files
178
Unknown types
28

Dropped files

PID
Process
Filename
Type
3244vpn-client-2.2.2-release.exeC:\Users\admin\AppData\Local\Temp\nsb732F.tmp\ioSpecial.initext
MD5:—
SHA256:—
3244vpn-client-2.2.2-release.exeC:\Program Files\ShrewSoft\VPN Client\activate.exeexecutable
MD5:—
SHA256:—
3244vpn-client-2.2.2-release.exeC:\Program Files\ShrewSoft\VPN Client\ipseca.exeexecutable
MD5:—
SHA256:—
3244vpn-client-2.2.2-release.exeC:\Program Files\ShrewSoft\VPN Client\iked.exeexecutable
MD5:—
SHA256:—
3244vpn-client-2.2.2-release.exeC:\Program Files\ShrewSoft\VPN Client\ipsecc.exeexecutable
MD5:—
SHA256:—
3244vpn-client-2.2.2-release.exeC:\Users\admin\AppData\Local\Temp\nsb732F.tmp\modern-wizard.bmpimage
MD5:9E4CD80A60DB6947642677BF31A10906
SHA256:A7B2F12E01CBEA88D4F645F797F2CA6107D76AE13CD1BE6DC532B759BFE0D925
3244vpn-client-2.2.2-release.exeC:\Program Files\ShrewSoft\VPN Client\readme.txttext
MD5:1A50B68A24F23037D847684034E35CBF
SHA256:FABB2D8E94C8F72A3A0AFA085A075B6B3CBDCF30C982B7EB6960864013A79BF5
3244vpn-client-2.2.2-release.exeC:\Users\admin\AppData\Local\Temp\nsb732F.tmp\nsProcess.dllexecutable
MD5:05450FACE243B3A7472407B999B03A72
SHA256:95FE9D92512FF2318CC2520311EF9145B2CEE01209AB0E1B6E45C7CE1D4D0E89
3244vpn-client-2.2.2-release.exeC:\Users\admin\AppData\Local\Temp\nsb732F.tmp\InstallOptions.dllexecutable
MD5:0DC0CC7A6D9DB685BF05A7E5F3EA4781
SHA256:8E287326F1CDD5EF2DCD7A72537C68CBE4299CEB1F820707C5820F3AA6D8206C
3244vpn-client-2.2.2-release.exeC:\Users\admin\AppData\Local\Temp\nsb732F.tmp\modern-header.bmpimage
MD5:9A5E2514F5EAB0C7D00C2957C39F59A3
SHA256:5806BF48146DFD3DC2E6715CC8DFEFDD5244EF325352A1EE2A3BAA15BC2159CA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
2
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
1456
ipseca.exe
38.97.5.129:443
update.shrew.net
Cogent Communications
US
unknown

DNS requests

Domain
IP
Reputation
update.shrew.net
  • 38.97.5.129
unknown

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
vpn-client-2.2.2-release.exe