download:

stunnel-5.56-win64-installer.exe

Full analysis: https://app.any.run/tasks/6feac5f7-7739-46ab-9db0-fe539eedcecf
Verdict: Malicious activity
Analysis date: January 06, 2020, 17:57:43
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, Nullsoft Installer self-extracting archive
MD5:

B124C2C9FE6DF39D34E766BD125C0355

SHA1:

F96FA3DC5B016BF2BEB6E1AF798A0CFE3FE3278B

SHA256:

E9D7DEA3976219F0FC89CFB4F645F47B1291EBEC8CE55CFF46DBBFBB2E9B4084

SSDEEP:

49152:ornoOYfQ4eaAObiaDmw0YuR5Q15LooPutBV40Tt99sIziUM8bcgadlXD660MpwV:ornoOYfQ4HAObifZOGQ0TzzJegadIZCm

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

      • stunnel-5.56-win64-installer.exe (PID: 836)

  • SUSPICIOUS

    • Creates a software uninstall entry

      • stunnel-5.56-win64-installer.exe (PID: 836)

    • Executable content was dropped or overwritten

      • stunnel-5.56-win64-installer.exe (PID: 836)

    • Creates files in the program directory

      • stunnel-5.56-win64-installer.exe (PID: 836)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • stunnel-5.56-win64-installer.exe (PID: 836)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:02:22 09:07:45+01:00
PEType: PE32
LinkerVersion: 2.32
CodeSize: 36864
InitializedDataSize: 38400
UninitializedDataSize: 108032
EntryPoint: 0x42e8
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Feb-2019 08:07:45
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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 7
Time date stamp: 22-Feb-2019 08:07:45
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DEBUG_STRIPPED
  • 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
0x00008E04
0x00009000
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.94299
.data
0x0000A000
0x000000C0
0x00000200
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_2048BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_8BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.42055
.rdata
0x0000B000
0x00006B80
0x00006C00
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_2048BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_8BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.28654
.bss
0x00012000
0x0001A500
0x00000000
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_2048BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_8BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x0002D000
0x00001354
0x00001400
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.32256
.ndata
0x0002F000
0x0001A000
0x00000200
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00049000
0x000063D0
0x00006400
IMAGE_SCN_ALIGN_1024BYTES, IMAGE_SCN_ALIGN_16BYTES, IMAGE_SCN_ALIGN_1BYTES, IMAGE_SCN_ALIGN_256BYTES, IMAGE_SCN_ALIGN_2BYTES, IMAGE_SCN_ALIGN_32BYTES, IMAGE_SCN_ALIGN_4096BYTES, IMAGE_SCN_ALIGN_4BYTES, IMAGE_SCN_ALIGN_512BYTES, IMAGE_SCN_ALIGN_64BYTES, IMAGE_SCN_ALIGN_8192BYTES, IMAGE_SCN_ALIGN_MASK, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.62435

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.29627
1066
UNKNOWN
English - United States
RT_MANIFEST
2
3.55515
4264
UNKNOWN
English - United States
RT_ICON
3
2.65124
2216
UNKNOWN
English - United States
RT_ICON
4
0
1384
UNKNOWN
English - United States
RT_ICON
5
0
1128
UNKNOWN
English - United States
RT_ICON
6
0
744
UNKNOWN
English - United States
RT_ICON
7
0
296
UNKNOWN
English - United States
RT_ICON
102
2.71813
180
UNKNOWN
English - United States
RT_DIALOG
103
2.22906
104
UNKNOWN
English - United States
RT_GROUP_ICON
104
2.71374
356
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.DLL
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start stunnel-5.56-win64-installer.exe stunnel-5.56-win64-installer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
836"C:\Users\admin\Desktop\stunnel-5.56-win64-installer.exe" C:\Users\admin\Desktop\stunnel-5.56-win64-installer.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\stunnel-5.56-win64-installer.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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
2620"C:\Users\admin\Desktop\stunnel-5.56-win64-installer.exe" C:\Users\admin\Desktop\stunnel-5.56-win64-installer.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\desktop\stunnel-5.56-win64-installer.exe
c:\systemroot\system32\ntdll.dll
Total events
183
Read events
172
Write events
11
Delete events
0

Modification events

(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\NSIS_stunnel
Operation:writeName:Install_Dir
Value:
C:\Program Files\stunnel
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\NSIS_stunnel
Operation:writeName:Install_Mode
Value:
AllUsers
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:GlobalAssocChangedCounter
Value:
74
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:DisplayName
Value:
stunnel installed for AllUsers
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:DisplayVersion
Value:
5.56
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:DisplayIcon
Value:
C:\Program Files\stunnel\bin\stunnel.exe
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:Publisher
Value:
Michal Trojnara
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:UninstallString
Value:
"C:\Program Files\stunnel\uninstall.exe" /AllUsers
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:NoModify
Value:
1
(PID) Process:(836) stunnel-5.56-win64-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\stunnel
Operation:writeName:NoRepair
Value:
1
Executable files
15
Suspicious files
0
Text files
6
Unknown types
22

Dropped files

PID
Process
Filename
Type
836stunnel-5.56-win64-installer.exeC:\Users\admin\AppData\Local\Temp\nssC168.tmp\UserInfo.dllexecutable
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Program Files\stunnel\config\ca-certs.pemtext
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Program Files\stunnel\config\stunnel.conftext
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Users\admin\AppData\Local\Temp\nssC168.tmp\nsDialogs.dllexecutable
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Users\admin\AppData\Local\Temp\nssC168.tmp\System.dllexecutable
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Users\admin\AppData\Local\Temp\nssC168.tmp\modern-wizard.bmpimage
MD5:CBE40FD2B1EC96DAEDC65DA172D90022
SHA256:3AD2DC318056D0A2024AF1804EA741146CFC18CC404649A44610CBF8B2056CF2
836stunnel-5.56-win64-installer.exeC:\Program Files\stunnel\engines\pkcs11.dllexecutable
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\ProgramData\Microsoft\Windows\Start Menu\Programs\stunnel AllUsers\stunnel GUI Start.lnklnk
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Program Files\stunnel\engines\capi.dllexecutable
MD5:—
SHA256:—
836stunnel-5.56-win64-installer.exeC:\Program Files\stunnel\uninstall.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
stunnel-5.56-win64-installer.exe