Overview
overview
8Static
static
3masScan_1....UI.exe
windows10-2004-x64
7masScan_1....UI.exe
windows11-21h2-x64
4masScan_1....et.dll
windows10-2004-x64
3masScan_1....et.dll
windows11-21h2-x64
3masScan_1....an.exe
windows10-2004-x64
3masScan_1....an.exe
windows11-21h2-x64
3masScan_1....00.dll
windows10-2004-x64
3masScan_1....00.dll
windows11-21h2-x64
3masScan_1....er.exe
windows10-2004-x64
7masScan_1....er.exe
windows11-21h2-x64
7masScan_1....13.exe
windows10-2004-x64
8masScan_1....13.exe
windows11-21h2-x64
8$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$SYSDIR/Packet.dll
windows10-2004-x64
3$SYSDIR/Packet.dll
windows11-21h2-x64
3$SYSDIR/pthreadVC.dll
windows10-2004-x64
3$SYSDIR/pthreadVC.dll
windows11-21h2-x64
3$SYSDIR/wpcap.dll
windows10-2004-x64
3$SYSDIR/wpcap.dll
windows11-21h2-x64
3masScan_1....ap.dll
windows10-2004-x64
3masScan_1....ap.dll
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
104s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system - submitted
11/05/2026, 00:05
Behavioral task
behavioral1
Sample
masScan_1.6/masScan_1.6/Massscan_GUI.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
masScan_1.6/masScan_1.6/Massscan_GUI.exe
Resource
win11-20250619-en
Behavioral task
behavioral3
Sample
masScan_1.6/masScan_1.6/Packet.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
masScan_1.6/masScan_1.6/Packet.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
masScan_1.6/masScan_1.6/masscan.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
masScan_1.6/masScan_1.6/masscan.exe
Resource
win11-20250610-en
Behavioral task
behavioral7
Sample
masScan_1.6/masScan_1.6/msvcr100.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
masScan_1.6/masScan_1.6/msvcr100.dll
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
masScan_1.6/masScan_1.6/nlchecker.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
masScan_1.6/masScan_1.6/nlchecker.exe
Resource
win11-20250502-en
Behavioral task
behavioral11
Sample
masScan_1.6/masScan_1.6/winpcap-4.13.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
masScan_1.6/masScan_1.6/winpcap-4.13.exe
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
$SYSDIR/Packet.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
$SYSDIR/Packet.dll
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
$SYSDIR/pthreadVC.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
$SYSDIR/pthreadVC.dll
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
$SYSDIR/wpcap.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
$SYSDIR/wpcap.dll
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
masScan_1.6/masScan_1.6/wpcap.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
masScan_1.6/masScan_1.6/wpcap.dll
Resource
win11-20250502-en
General
- Target masScan_1.6/masScan_1.6/wpcap.dll
- Size 220KB
- Sample260511-adn8lsbx9n
- SHA256 4c2b690d8d9afaefc531d1fedcf2d067ffca8b7e2f99072014b6a6d8edfdc49c
- MD5 5c5561185a8751711156934585f002e8
- SHA1 4bc6097e41191903fcec60b5b6363c857e2d25af
- SHA512 6cb133fb2b8adbf5a939dadb9ea62f9400999eecbb0fd7af07cb6350cb02f2bb9133db61140776ad79addd8574a6ab4d78236ac816e4bbe2f95cf3a77823b2fc
- SSDEEP 3072:mHrZxq7dQ2qjbGO4eQ9KuuwN3Ch0kIrNsZ3Gva5aOlqPozwH:mHHqHb5eQEaN3O0kgyZ3j51
- TLSH T13A248D037683D07DE55E4E3B21E35B328B395450117BA68BEF44DC672C231E2BAA639D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3920 3428 WerFault.exe 78 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1648 wrote to memory of 3428 1648 rundll32.exe 78
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\masScan_1.6\masScan_1.6\wpcap.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\masScan_1.6\masScan_1.6\wpcap.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3428 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 5083⤵
- Program crash
PID:3920
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3428 -ip 34281⤵PID:2996