File name:

epinstall.exe

Full analysis: https://app.any.run/tasks/22657201-610d-4c34-add5-1e8069915329
Verdict: Malicious activity
Analysis date: April 02, 2021, 14:25:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
covid19
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

71499B90FBFBDC7FE39A6A22927AB0D6

SHA1:

695BF105CCA7D55E12C1A6121A26DDA9999AA253

SHA256:

E939534FFA8CED99241DC84B0B6F567B39E1CB84D10009F62874F61CD7A93FF2

SSDEEP:

24576:jqf91+rT+HeHwPJ+DHBETIQxI/Y5CUJfS70NSwkZmSpYd3Jd49mktGyL767EJ:jqf91+rF1KTImI/BUJSYAZkd3Jd46EfJ

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

      • epinstall.exe (PID: 3640)
      • ToolFileLock.exe (PID: 2152)
    • Application was dropped or rewritten from another process

      • ToolFileLock.exe (PID: 2152)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • epinstall.exe (PID: 3640)
    • Drops a file with too old compile date

      • epinstall.exe (PID: 3640)
    • Creates files in the Windows directory

      • ToolFileLock.exe (PID: 2152)
      • epinstall.exe (PID: 3640)
    • Creates a software uninstall entry

      • epinstall.exe (PID: 3640)
    • Creates files in the program directory

      • epinstall.exe (PID: 3640)
    • Creates a directory in Program Files

      • epinstall.exe (PID: 3640)
    • Drops a file that was compiled in debug mode

      • epinstall.exe (PID: 3640)
    • Creates/Modifies COM task schedule object

      • epinstall.exe (PID: 3640)
    • Drops a file with a compile date too recent

      • epinstall.exe (PID: 3640)
  • INFO

    • Dropped object may contain Bitcoin addresses

      • epinstall.exe (PID: 3640)
    • Drops Coronavirus (possible) decoy

      • epinstall.exe (PID: 3640)
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 (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2006:09:09 16:44:18+02:00
PEType: PE32
LinkerVersion: 6
CodeSize: 23552
InitializedDataSize: 122368
UninitializedDataSize: 1024
EntryPoint: 0x32d9
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-Sep-2006 14:44:18
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: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 09-Sep-2006 14:44:18
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
0x00005A3C
0x00005C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.39631
.rdata
0x00007000
0x000010F2
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.05066
.data
0x00009000
0x0001B814
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.13477
.ndata
0x00025000
0x00009000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0002E000
0x00007510
0x00007600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.64916

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.10276
533
UNKNOWN
English - United States
RT_MANIFEST
2
5.42186
1384
UNKNOWN
English - United States
RT_ICON
3
3.74963
744
UNKNOWN
English - United States
RT_ICON
4
6.16608
2216
UNKNOWN
English - United States
RT_ICON
5
3.91942
1640
UNKNOWN
English - United States
RT_ICON
6
4.84061
3752
UNKNOWN
English - United States
RT_ICON
7
5.58096
1128
UNKNOWN
English - United States
RT_ICON
8
5.61959
4264
UNKNOWN
English - United States
RT_ICON
9
5.39338
9640
UNKNOWN
English - United States
RT_ICON
103
2.73226
132
UNKNOWN
English - United States
RT_GROUP_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start epinstall.exe toolfilelock.exe no specs epinstall.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2152"C:\Program Files\WinUtilities EXE Protector\ToolFileLock.exe"C:\Program Files\WinUtilities EXE Protector\ToolFileLock.exeepinstall.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\program files\winutilities exe protector\toolfilelock.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\usp10.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
2588"C:\Users\admin\AppData\Local\Temp\epinstall.exe" C:\Users\admin\AppData\Local\Temp\epinstall.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\epinstall.exe
c:\systemroot\system32\ntdll.dll
3640"C:\Users\admin\AppData\Local\Temp\epinstall.exe" C:\Users\admin\AppData\Local\Temp\epinstall.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\epinstall.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\shell32.dll
Total events
444
Read events
372
Write events
72
Delete events
0

Modification events

(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{52BD8A52-B792-4C45-A4D9-245CC945AC34}\1.0
Operation:writeName:(default)
Value:
wbocx ActiveX Control module
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{52BD8A52-B792-4C45-A4D9-245CC945AC34}\1.0\FLAGS
Operation:writeName:(default)
Value:
2
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{52BD8A52-B792-4C45-A4D9-245CC945AC34}\1.0\0\win32
Operation:writeName:(default)
Value:
C:\Windows\system32\wbocx.ocx
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{52BD8A52-B792-4C45-A4D9-245CC945AC34}\1.0\HELPDIR
Operation:writeName:(default)
Value:
C:\Windows\system32
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{AB8D6519-8A8E-4C23-8368-5CF696F0217F}
Operation:writeName:(default)
Value:
_DWbocx
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{AB8D6519-8A8E-4C23-8368-5CF696F0217F}\ProxyStubClsid
Operation:writeName:(default)
Value:
{00020420-0000-0000-C000-000000000046}
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{AB8D6519-8A8E-4C23-8368-5CF696F0217F}\ProxyStubClsid32
Operation:writeName:(default)
Value:
{00020420-0000-0000-C000-000000000046}
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{AB8D6519-8A8E-4C23-8368-5CF696F0217F}\TypeLib
Operation:writeName:(default)
Value:
{52BD8A52-B792-4C45-A4D9-245CC945AC34}
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{AB8D6519-8A8E-4C23-8368-5CF696F0217F}\TypeLib
Operation:writeName:Version
Value:
1.0
(PID) Process:(3640) epinstall.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D30E8CF0-E2C8-4152-87E7-F24B707CE78F}
Operation:writeName:(default)
Value:
_DWbocxEvents
Executable files
13
Suspicious files
238
Text files
417
Unknown types
5

Dropped files

PID
Process
Filename
Type
3640epinstall.exeC:\Program Files\WinUtilities EXE Protector\ToolFileLock.exeexecutable
MD5:
SHA256:
3640epinstall.exeC:\Program Files\WinUtilities EXE Protector\ToolFileLock.lngtext
MD5:
SHA256:
3640epinstall.exeC:\Users\admin\AppData\Local\Temp\nst4839.tmp\ioSpecial.initext
MD5:
SHA256:
3640epinstall.exeC:\Users\admin\AppData\Local\Temp\nst4839.tmp\StartMenu.dllexecutable
MD5:
SHA256:
3640epinstall.exeC:\Program Files\WinUtilities EXE Protector\common.xmlxml
MD5:
SHA256:
3640epinstall.exeC:\Program Files\WinUtilities EXE Protector\app\AppFileLock.exeexecutable
MD5:
SHA256:
3640epinstall.exeC:\Program Files\WinUtilities EXE Protector\ToolFileLock.xmlxml
MD5:
SHA256:
3640epinstall.exeC:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinUtilities EXE Protector\WinUtilities EXE Protector.lnklnk
MD5:
SHA256:
3640epinstall.exeC:\Program Files\WinUtilities EXE Protector\dll\ComSkin.dllexecutable
MD5:
SHA256:
3640epinstall.exeC:\Windows\system32\wbocx.ocxexecutable
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