File name:

htmlhelp.exe

Full analysis: https://app.any.run/tasks/4a059ff3-24cf-40be-a473-f8e9382e450e
Verdict: Malicious activity
Analysis date: February 15, 2024, 15:01:07
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, MS CAB-Installer self-extracting archive
MD5:

FFDE6013C622C033D31FB892B283A1CE

SHA1:

BE3CA09DA0F21616577C8FB3D3A508804D4F9281

SHA256:

CF8FE5A02D3C2BF0C8728DD399DC3B2587C4139FFB23EF4268F34535A6157B87

SSDEEP:

98304:W7v2Oa/flWOgi1sf/vbVTyblUc8cNrpt3r0izJJbsBWza8a4gKuSUMN3W4CB3k8w:YOmcrPGC1

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

    • Changes the autorun value in the registry

      • htmlhelp.exe (PID: 3948)

    • Drops the executable file immediately after the start

      • htmlhelp.exe (PID: 3948)
      • setup.exe (PID: 2328)

    • Creates a writable file in the system directory

      • setup.exe (PID: 2328)

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • htmlhelp.exe (PID: 3948)
      • setup.exe (PID: 2328)

    • Starts a Microsoft application from unusual location

      • htmlhelp.exe (PID: 3972)
      • htmlhelp.exe (PID: 3948)
      • hhupd.exe (PID: 2340)

    • Executable content was dropped or overwritten

      • htmlhelp.exe (PID: 3948)
      • setup.exe (PID: 2328)

    • Creates a software uninstall entry

      • setup.exe (PID: 2328)

    • Creates/Modifies COM task schedule object

      • setup.exe (PID: 2328)

  • INFO

    • Checks supported languages

      • htmlhelp.exe (PID: 3948)
      • setup.exe (PID: 2328)
      • hhupd.exe (PID: 2340)

    • Create files in a temporary directory

      • htmlhelp.exe (PID: 3948)

    • Reads the computer name

      • setup.exe (PID: 2328)

    • Creates files in the program directory

      • setup.exe (PID: 2328)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (38.2)
.exe | Win32 Executable MS Visual C++ (generic) (27.7)
.exe | Win64 Executable (generic) (24.5)
.exe | Win32 Executable (generic) (4)
.exe | Win16/32 Executable Delphi generic (1.8)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1997:07:15 11:48:12+00:00
ImageFileCharacteristics: No relocs, Executable, 32-bit, No debug
PEType: PE32
LinkerVersion: 6
CodeSize: 36864
InitializedDataSize: 3458560
UninitializedDataSize: -
EntryPoint: 0x2723
OSVersion: 5
ImageVersion: 5
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 4.71.1015.0
ProductVersionNumber: 4.71.1015.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: Microsoft® HTML Help Author
FileVersion: 4.74.8703
InternalName: htmlhelp.exe
LegalCopyright: Copyright © Microsoft Corp.
OriginalFileName: htmlhelp.exe
ProductName: HTML Help Workshop Install
ProductVersion: 4.74.8703
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start htmlhelp.exe setup.exe hhupd.exe no specs grpconv.exe no specs htmlhelp.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2124grpconv.exe -oC:\Windows\System32\grpconv.exe—setup.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Progman Group Converter
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\grpconv.exe
c:\windows\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
2328C:\Users\admin\AppData\Local\Temp\IXP000.TMP\setup.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\setup.exe
htmlhelp.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\ixp000.tmp\setup.exe
c:\windows\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\apphelp.dll
2340C:\Users\admin\AppData\Local\Temp\IXP000.TMP\hhupd.exe /C:"setup.exe NoDlg" /R:NC:\Users\admin\AppData\Local\Temp\IXP000.TMP\hhupd.exe—setup.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft® HTML Help Control
Exit code:
0
Version:
4.74.8793
Modules
Images
c:\users\admin\appdata\local\temp\ixp000.tmp\hhupd.exe
c:\windows\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
3948"C:\Users\admin\AppData\Local\Temp\htmlhelp.exe" C:\Users\admin\AppData\Local\Temp\htmlhelp.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft® HTML Help Author
Exit code:
0
Version:
4.74.8703
Modules
Images
c:\users\admin\appdata\local\temp\htmlhelp.exe
c:\windows\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
3972"C:\Users\admin\AppData\Local\Temp\htmlhelp.exe" C:\Users\admin\AppData\Local\Temp\htmlhelp.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® HTML Help Author
Exit code:
3221226540
Version:
4.74.8703
Modules
Images
c:\users\admin\appdata\local\temp\htmlhelp.exe
c:\windows\system32\ntdll.dll
Total events
1 273
Read events
1 233
Write events
39
Delete events
1

Modification events

(PID) Process:(3948) htmlhelp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:wextract_cleanup0
Value:
rundll32.exe C:\Windows\system32\advpack.dll,DelNodeRunDLL32 "C:\Users\admin\AppData\Local\Temp\IXP000.TMP\"
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
Operation:writeName:SM_AccessoriesName
Value:
Accessories
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
Operation:writeName:PF_AccessoriesName
Value:
Accessories
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\hhw.exe
Operation:writeName:Path
Value:
C:\Program Files\HTML Help Workshop
(PID) Process:(2328) setup.exeKey:HKEY_CURRENT_USER\Software\Microsoft\HTML Help Workshop
Operation:writeName:InstallDir
Value:
C:\Program Files\HTML Help Workshop
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\HTML Help Workshop
Operation:writeName:DisplayName
Value:
HTML Help Workshop
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\HTML Help Workshop
Operation:writeName:UninstallString
Value:
C:\Program Files\HTML Help Workshop\setup.exe Uninstall
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RenameFiles\HHJava
Operation:writeName:dl.cl
Value:
DialogLayout.class
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RenameFiles\HHJava
Operation:writeName:e.cl
Value:
Element.class
(PID) Process:(2328) setup.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RenameFiles\HHJava
Operation:writeName:el.cl
Value:
ElementList.class
Executable files
60
Suspicious files
29
Text files
23
Unknown types
18

Dropped files

PID
Process
Filename
Type
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\readme.txttext
MD5:5D8D3F3D1F5FA3990F7DAB2BE722845C
SHA256:B95EBA0470D1D86E1B8667EEAF96040F27940E7403085C0CF6AA7C34ED8A0787
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\uninst.inftext
MD5:7FFD66883AB1B09AC39645796CA29C5C
SHA256:6D47D1E896F8848C57946AB77FF50919191FC0FA95AAAB2D7559689089683E27
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\htmlhelp.inftext
MD5:7047C5055E964726F7CB1263069BE84E
SHA256:306DF5556418F8E1B6AA9B7FF0E5C9568F551FB69C2CD50070EEC03C613A031F
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\advpack.dllexecutable
MD5:5889BD69A008FC924B71592F7FB5731D
SHA256:53E84096F700C80F217F685548502395F3C6B3BA0842F867FE323930343589FD
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\htmlhelp.libobj
MD5:190F479A7400722BF03EA392F89C78F3
SHA256:9B87BC6975304666CD28CA3F45BA22AF54C6025F6EEBAC24A883E97059E15E60
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\flash.exeexecutable
MD5:00B936FD8CA57BB037C8C6A7FB890A3E
SHA256:BEE39BF6A5B012A3DBA2E261CDA7E6D9D5AB6A434EB05BACE3EF55E8B4323B42
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\cnvtoc.dllexecutable
MD5:D5647D4E32EE37918A77DE955978A0DF
SHA256:2109014D425366152D32B13BCC448CB369D81B3A3AD17B0BE0CF7D6F019F49BD
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\gencnv.dllexecutable
MD5:DD9222E6168D4D9E685EF746083E8C1E
SHA256:0ED37582FF42DB391E33E1D283958AD57C5D1BCF8FAAFDC7F719BA33ABC63F3F
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\setup.iniini
MD5:977E121DFD1AEE11190FB85E8753AB7B
SHA256:C526AD0557965F77CD086A97D55B53E51445E8886AE66A2DEF7568725AE7315E
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\cnvcnt.dllexecutable
MD5:E3AD8E51AE1475DA90660240F997A87F
SHA256:61EFE4D842898126D3A945289313C7FB20A7AB7696EAD3606A4133359C74B724
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
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

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
unknown
4
System
192.168.100.255:137
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
htmlhelp.exe