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

    • Drops the executable file immediately after the start

      • htmlhelp.exe (PID: 3948)
      • setup.exe (PID: 2328)
    • Changes the autorun value in the registry

      • htmlhelp.exe (PID: 3948)
    • 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)
    • Creates a software uninstall entry

      • setup.exe (PID: 2328)
    • Executable content was dropped or overwritten

      • setup.exe (PID: 2328)
      • htmlhelp.exe (PID: 3948)
    • Creates/Modifies COM task schedule object

      • setup.exe (PID: 2328)
    • Starts a Microsoft application from unusual location

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

    • Reads the computer name

      • setup.exe (PID: 2328)
    • Create files in a temporary directory

      • htmlhelp.exe (PID: 3948)
    • Creates files in the program directory

      • setup.exe (PID: 2328)
    • Checks supported languages

      • hhupd.exe (PID: 2340)
      • htmlhelp.exe (PID: 3948)
      • 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.exesetup.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.exesetup.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.exeexplorer.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\license.txttext
MD5:36C61C5B8AF62F6339D7754561BAF69C
SHA256:B631BCDB61BC4FE0EA929ACD8B74B375F7A119935A8944595C232159F34D6CD8
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\gencnv.dllexecutable
MD5:DD9222E6168D4D9E685EF746083E8C1E
SHA256:0ED37582FF42DB391E33E1D283958AD57C5D1BCF8FAAFDC7F719BA33ABC63F3F
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\cnvcnt.dllexecutable
MD5:E3AD8E51AE1475DA90660240F997A87F
SHA256:61EFE4D842898126D3A945289313C7FB20A7AB7696EAD3606A4133359C74B724
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\readme.txttext
MD5:5D8D3F3D1F5FA3990F7DAB2BE722845C
SHA256:B95EBA0470D1D86E1B8667EEAF96040F27940E7403085C0CF6AA7C34ED8A0787
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\advpack.dllexecutable
MD5:5889BD69A008FC924B71592F7FB5731D
SHA256:53E84096F700C80F217F685548502395F3C6B3BA0842F867FE323930343589FD
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\setup.exeexecutable
MD5:0ABEF65FF07CB92C5640C18D51A34408
SHA256:61264B9F6B1C75D6FC7C141A43E6465C5838414287CB533C7F457EEBB8A0BC04
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\htmlhelp.htext
MD5:630F3D680D5B16A3C7B4B977F6650C5D
SHA256:ED1228D4DCD4F58D125ECF2736A0AC929C32471CC8E6BEBAFC102E59468B187A
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\hhcout.dllexecutable
MD5:7E9C9D6D88830F5A719375E26612B15E
SHA256:C17FB7F8110AB3E6913296F34403D51091C1F1E290F200E0219C93B9544BAFBC
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\htmlhelp.libobj
MD5:190F479A7400722BF03EA392F89C78F3
SHA256:9B87BC6975304666CD28CA3F45BA22AF54C6025F6EEBAC24A883E97059E15E60
3948htmlhelp.exeC:\Users\admin\AppData\Local\Temp\IXP000.TMP\navout.dllexecutable
MD5:B9D916E12371039E242DE602FF87E201
SHA256:1045A00055CF3AF63F7A9D581639E1EB3AF18519C554B36CA35BD849E18C4B9D
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
whitelisted
4
System
192.168.100.255:137
whitelisted

DNS requests

No data

Threats

No threats detected
No debug info