File name:

hMailServer-5.6.8-B2574.exe

Full analysis: https://app.any.run/tasks/11b51051-a2de-4002-b9aa-ea9d9fc28865
Verdict: Malicious activity
Analysis date: February 19, 2024, 11:54:50
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

C8444C5EE87FC53003ECD6443209CA93

SHA1:

395CC0AFC3A1F4737BC42AC0FED1E747572D4CA0

SHA256:

B7239676CD5EB9F21BF49C9AE170E7004B8ABECB7EEA08108930866A37D72659

SSDEEP:

98304:Y9peoM9NSmjBQEn1JjiSrS9q1tejXoAR4uEmkj2pfeGAOSIatAJqFT8IpWlEv7Fh:pANlS

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

      • hMailServer-5.6.8-B2574.exe (PID: 3672)
      • hMailServer-5.6.8-B2574.exe (PID: 2964)
      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • csc.exe (PID: 2376)

    • Creates a writable file in the system directory

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Starts Visual C# compiler

      • hMailAdmin.exe (PID: 764)

    • Starts NET.EXE for service management

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • net.exe (PID: 296)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • hMailServer-5.6.8-B2574.exe (PID: 2964)
      • hMailServer-5.6.8-B2574.exe (PID: 3672)
      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • csc.exe (PID: 2376)

    • Process drops legitimate windows executable

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Reads the Windows owner or organization settings

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Drops 7-zip archiver for unpacking

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • The process drops C-runtime libraries

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Reads the Internet Settings

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Reads security settings of Internet Explorer

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Creates/Modifies COM task schedule object

      • hMailServer.exe (PID: 2420)

    • Executes as Windows Service

      • hMailServer.exe (PID: 1824)

    • Uses .NET C# to load dll

      • hMailAdmin.exe (PID: 764)

    • Reads Internet Explorer settings

      • hMailAdmin.exe (PID: 764)

  • INFO

    • Create files in a temporary directory

      • hMailServer-5.6.8-B2574.exe (PID: 3672)
      • hMailServer-5.6.8-B2574.exe (PID: 2964)
      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • hMailAdmin.exe (PID: 764)
      • csc.exe (PID: 2376)
      • cvtres.exe (PID: 2584)

    • Checks supported languages

      • hMailServer-5.6.8-B2574.exe (PID: 3672)
      • hMailServer-5.6.8-B2574.tmp (PID: 4052)
      • hMailServer-5.6.8-B2574.exe (PID: 2964)
      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • DBSetupQuick.exe (PID: 2756)
      • hMailServer.exe (PID: 2420)
      • hMailServer.exe (PID: 1824)
      • csc.exe (PID: 2376)
      • cvtres.exe (PID: 2584)
      • hMailAdmin.exe (PID: 764)

    • Reads the computer name

      • hMailServer-5.6.8-B2574.tmp (PID: 4052)
      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • hMailServer.exe (PID: 2420)
      • DBSetupQuick.exe (PID: 2756)
      • hMailServer.exe (PID: 1824)
      • hMailAdmin.exe (PID: 764)

    • Creates files in the program directory

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)
      • hMailServer.exe (PID: 1824)

    • Reads the machine GUID from the registry

      • DBSetupQuick.exe (PID: 2756)
      • hMailServer.exe (PID: 1824)
      • hMailAdmin.exe (PID: 764)
      • csc.exe (PID: 2376)
      • cvtres.exe (PID: 2584)

    • Creates a software uninstall entry

      • hMailServer-5.6.8-B2574.tmp (PID: 2752)

    • Creates files or folders in the user directory

      • hMailAdmin.exe (PID: 764)

    • Reads Environment values

      • hMailServer.exe (PID: 1824)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Inno Setup installer (71.1)
.exe | Win32 Executable Delphi generic (9.1)
.scr | Windows screen saver (8.4)
.dll | Win32 Dynamic Link Library (generic) (4.2)
.exe | Win32 Executable (generic) (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:19 22:22:17+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 40448
InitializedDataSize: 17920
UninitializedDataSize: -
EntryPoint: 0xa5f8
OSVersion: 1
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: This installation was built with Inno Setup.
CompanyName:
FileDescription: hMailServer Setup
FileVersion:
LegalCopyright: Copyright © 2008
ProductName: hMailServer
ProductVersion:
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
13
Malicious processes
5
Suspicious processes
2

Behavior graph

Click at the process to see the details
start hmailserver-5.6.8-b2574.exe hmailserver-5.6.8-b2574.tmp no specs hmailserver-5.6.8-b2574.exe hmailserver-5.6.8-b2574.tmp msiexec.exe no specs hmailserver.exe no specs dbsetupquick.exe no specs hmailserver.exe no specs net.exe no specs net1.exe no specs hmailadmin.exe no specs csc.exe cvtres.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
296"C:\Windows\system32\net.exe" START hMailServerC:\Windows\System32\net.exe—hMailServer-5.6.8-B2574.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Net Command
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\net.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\netutils.dll
c:\windows\system32\browcli.dll
764"C:\Program Files\hMailServer\Bin\hMailAdmin.exe"C:\Program Files\hMailServer\Bin\hMailAdmin.exe—hMailServer-5.6.8-B2574.tmp
User:
admin
Company:
Halvar Information
Integrity Level:
MEDIUM
Description:
Administrator
Exit code:
0
Version:
5.0.0.0
Modules
Images
c:\program files\hmailserver\bin\hmailadmin.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
1824"C:\Program Files\hMailServer\Bin\hMailServer.exe" RunAsServiceC:\Program Files\hMailServer\Bin\hMailServer.exe—services.exe
User:
SYSTEM
Company:
hMailServer
Integrity Level:
SYSTEM
Description:
hMailServer
Exit code:
0
Version:
1.0
Modules
Images
c:\program files\hmailserver\bin\hmailserver.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\hmailserver\bin\libcrypto-1_1.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
2376"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\fs3f0yko.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
hMailAdmin.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
8.0.50727.5483 (Win7SP1GDR.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\csc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2420"C:\Program Files\hMailServer\Bin\hMailServer.exe" /RegisterC:\Program Files\hMailServer\Bin\hMailServer.exe—hMailServer-5.6.8-B2574.tmp
User:
admin
Company:
hMailServer
Integrity Level:
HIGH
Description:
hMailServer
Exit code:
0
Version:
1.0
Modules
Images
c:\program files\hmailserver\bin\hmailserver.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\hmailserver\bin\libcrypto-1_1.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
2444"C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\AppData\Local\Temp\is-HVAPO.tmp\SSCERuntime-ENU.msi" /qnC:\Windows\System32\msiexec.exe—hMailServer-5.6.8-B2574.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.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
2584C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES898F.tmp" "c:\Users\admin\AppData\Local\Temp\CSC898E.tmp"C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
8.00.50727.5003 (Win7SP1GDR.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\cvtres.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cryptsp.dll
2752"C:\Users\admin\AppData\Local\Temp\is-3GME3.tmp\hMailServer-5.6.8-B2574.tmp" /SL5="$19013E,4066654,56832,C:\Users\admin\AppData\Local\Temp\hMailServer-5.6.8-B2574.exe" /SPAWNWND=$1A01BC /NOTIFYWND=$E0170 C:\Users\admin\AppData\Local\Temp\is-3GME3.tmp\hMailServer-5.6.8-B2574.tmp
hMailServer-5.6.8-B2574.exe
User:
admin
Integrity Level:
HIGH
Description:
Setup/Uninstall
Exit code:
0
Version:
51.52.0.0
Modules
Images
c:\users\admin\appdata\local\temp\is-3gme3.tmp\hmailserver-5.6.8-b2574.tmp
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\oleaut32.dll
2756"C:\Program Files\hMailServer\Bin\DBSetupQuick.exe" password:12345C:\Program Files\hMailServer\Bin\DBSetupQuick.exe—hMailServer-5.6.8-B2574.tmp
User:
admin
Company:
HI
Integrity Level:
HIGH
Description:
DBSetupQuick
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\program files\hmailserver\bin\dbsetupquick.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2964"C:\Users\admin\AppData\Local\Temp\hMailServer-5.6.8-B2574.exe" /SPAWNWND=$1A01BC /NOTIFYWND=$E0170 C:\Users\admin\AppData\Local\Temp\hMailServer-5.6.8-B2574.exe
hMailServer-5.6.8-B2574.tmp
User:
admin
Company:
Integrity Level:
HIGH
Description:
hMailServer Setup
Exit code:
0
Version:
Modules
Images
c:\users\admin\appdata\local\temp\hmailserver-5.6.8-b2574.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\oleaut32.dll
Total events
7 584
Read events
7 349
Write events
227
Delete events
8

Modification events

(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
Operation:writeName:Owner
Value:
C00A00002E92EA772A63DA01
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
Operation:writeName:SessionHash
Value:
50C41C9B072EBB84CA9AF75A411B43DE6C6A7CDAE3161C82538EBAD7B598CFA2
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
Operation:writeName:Sequence
Value:
1
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
Operation:writeName:RegFiles0000
Value:
C:\Windows\system32\atl70.dll
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
Operation:writeName:RegFilesHash
Value:
CB48151EFFE7053461321D6DC5C3D5DD338B2391A8A629CC762B4588EFB0DDBD
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\hMailServer_is1
Operation:writeName:Inno Setup: Setup Version
Value:
5.5.4 (a)
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\hMailServer_is1
Operation:writeName:Inno Setup: App Path
Value:
C:\Program Files\hMailServer
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\hMailServer_is1
Operation:writeName:InstallLocation
Value:
C:\Program Files\hMailServer\
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\hMailServer_is1
Operation:writeName:Inno Setup: Icon Group
Value:
hMailServer
(PID) Process:(2752) hMailServer-5.6.8-B2574.tmpKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\hMailServer_is1
Operation:writeName:Inno Setup: User
Value:
admin
Executable files
48
Suspicious files
12
Text files
583
Unknown types
1

Dropped files

PID
Process
Filename
Type
2752hMailServer-5.6.8-B2574.tmpC:\Users\admin\AppData\Local\Temp\is-HVAPO.tmp\_isetup\_shfoldr.dllexecutable
MD5:92DC6EF532FBB4A5C3201469A5B5EB63
SHA256:9884E9D1B4F8A873CCBD81F8AD0AE257776D2348D027D811A56475E028360D87
2752hMailServer-5.6.8-B2574.tmpC:\Program Files\hMailServer\unins000.exeexecutable
MD5:DF679C1A9B6C251B7F9FB2E8F17BEFEF
SHA256:24B9DDBA6424CCB901ABDA25E7F5B0106867CF8F3CC7295CCBEBCFF7B55FB731
2964hMailServer-5.6.8-B2574.exeC:\Users\admin\AppData\Local\Temp\is-3GME3.tmp\hMailServer-5.6.8-B2574.tmpexecutable
MD5:1305181DE520F125AEABF85DC24A89D6
SHA256:0E19765B89A1A29AFEE09810DCB3EC5CC7C66053947BE8F1AEBDBB7C801DFEAF
3672hMailServer-5.6.8-B2574.exeC:\Users\admin\AppData\Local\Temp\is-P95RG.tmp\hMailServer-5.6.8-B2574.tmpexecutable
MD5:1305181DE520F125AEABF85DC24A89D6
SHA256:0E19765B89A1A29AFEE09810DCB3EC5CC7C66053947BE8F1AEBDBB7C801DFEAF
2752hMailServer-5.6.8-B2574.tmpC:\Users\admin\AppData\Local\Temp\is-HVAPO.tmp\is-R1OHQ.tmpexecutable
MD5:81802B011FA0F84E62C3967101E756D3
SHA256:9E1594BC762F10109EB08334DFC889982FB3F2BDC6F585A80BC58037F9242DAF
2752hMailServer-5.6.8-B2574.tmpC:\Program Files\hMailServer\Bin\License.rtftext
MD5:67DA419790DB8E161B6F566B42277A85
SHA256:97EEB485005171627A6A0A115F42282049D8FF55C8DE394C70000AA5BF973614
2752hMailServer-5.6.8-B2574.tmpC:\Users\admin\AppData\Local\Temp\is-HVAPO.tmp\SSCERuntime-ENU.msiexecutable
MD5:81802B011FA0F84E62C3967101E756D3
SHA256:9E1594BC762F10109EB08334DFC889982FB3F2BDC6F585A80BC58037F9242DAF
2752hMailServer-5.6.8-B2574.tmpC:\Windows\system32\is-69SDC.tmpexecutable
MD5:48B5F0B89C1F354E366CA716D763B9A7
SHA256:6E4F674619F5AB33190C9B841D31E06A7451ADDE41BDCD9D39461E7F924DDA67
2752hMailServer-5.6.8-B2574.tmpC:\Program Files\hMailServer\Bin\libcrypto-1_1.dllexecutable
MD5:8A284A5D0C7BBB549EB829173D7D3D5A
SHA256:1FE1681A2A56047BE2E299A574457BC2A2444C545F342CFE011BF542D2407618
2752hMailServer-5.6.8-B2574.tmpC:\Windows\System32\atl70.dllexecutable
MD5:48B5F0B89C1F354E366CA716D763B9A7
SHA256:6E4F674619F5AB33190C9B841D31E06A7451ADDE41BDCD9D39461E7F924DDA67
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
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
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
hMailServer-5.6.8-B2574.exe