Overview
overview
7Static
static
3MultiComma...5).exe
windows11-21h2-x64
7$PLUGINSDI...ns.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDIR/UAC.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3$PLUGINSDI...nz.dll
windows11-21h2-x64
3$PLUGINSDI...ry.dll
windows11-21h2-x64
3Extensions...64.dll
windows11-21h2-x64
1Extensions...ip.dll
windows11-21h2-x64
1Extensions...TP.dll
windows11-21h2-x64
1Extensions...le.dll
windows11-21h2-x64
1Extensions...AR.dll
windows11-21h2-x64
1Extensions...ry.dll
windows11-21h2-x64
1Extensions...TP.dll
windows11-21h2-x64
1Extensions...ls.dll
windows11-21h2-x64
1Extensions...or.dll
windows11-21h2-x64
1Extensions...in.dll
windows11-21h2-x64
1Extensions...ls.dll
windows11-21h2-x64
1Extensions...al.dll
windows11-21h2-x64
1Extensions...ls.dll
windows11-21h2-x64
1Extensions...ls.dll
windows11-21h2-x64
1Extensions...ls.dll
windows11-21h2-x64
1Extensions...er.dll
windows11-21h2-x64
1MCAdmin.exe
windows11-21h2-x64
1MCIcons.dll
windows11-21h2-x64
1MultiCommander.exe
windows11-21h2-x64
3MultiCrashReport.exe
windows11-21h2-x64
3MultiUpdate.exe
windows11-21h2-x64
3Uninstall ...er.exe
windows11-21h2-x64
7Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
25/06/2026, 12:33
Behavioral task
behavioral1
Sample
MultiCommander_x64_(15.8.0.3135).exe
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/UAC.dll
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/registry.dll
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
Extensions/FS7Zip/7za_x64.dll
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
Extensions/FS7Zip/FS7Zip.dll
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
Extensions/FSFTP/FSFTP.dll
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
Extensions/FSPortable/FSPortable.dll
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
Extensions/FSRAR/FSRAR.dll
Resource
win11-20260513-en
Behavioral task
behavioral14
Sample
Extensions/FSRegistry/FSRegistry.dll
Resource
win11-20260513-en
Behavioral task
behavioral15
Sample
Extensions/FSSFTP/FSSFTP.dll
Resource
win11-20260513-en
Behavioral task
behavioral16
Sample
Extensions/MCAudioTools/MCAudioTools.dll
Resource
win11-20260513-en
Behavioral task
behavioral17
Sample
Extensions/MCLanEditor/MCLanEditor.dll
Resource
win11-20260513-en
Behavioral task
behavioral18
Sample
Extensions/MCPictureTools/ExifWin.dll
Resource
win11-20260513-en
Behavioral task
behavioral19
Sample
Extensions/MCPictureTools/MCPictureTools.dll
Resource
win11-20260513-en
Behavioral task
behavioral20
Sample
Extensions/MCSpecial/MCSpecial.dll
Resource
win11-20260513-en
Behavioral task
behavioral21
Sample
Extensions/MCUtils/MCUtils.dll
Resource
win11-20260513-en
Behavioral task
behavioral22
Sample
Extensions/MCVideoTools/MCVideoTools.dll
Resource
win11-20260513-en
Behavioral task
behavioral23
Sample
Extensions/MFTools/MFTools.dll
Resource
win11-20260513-en
Behavioral task
behavioral24
Sample
Extensions/MultiFileViewer/MultiFileViewer.dll
Resource
win11-20260513-en
Behavioral task
behavioral25
Sample
MCAdmin.exe
Resource
win11-20260513-en
Behavioral task
behavioral26
Sample
MCIcons.dll
Resource
win11-20260513-en
Behavioral task
behavioral27
Sample
MultiCommander.exe
Resource
win11-20260513-en
Behavioral task
behavioral28
Sample
MultiCrashReport.exe
Resource
win11-20260513-en
Behavioral task
behavioral29
Sample
MultiUpdate.exe
Resource
win11-20260513-en
General
- Target $PLUGINSDIR/InstallOptions.dll
- Size 14KB
- Sample260625-prk6faby9v
- SHA256 8f24c6cf0b06d18f3c07e7bfca4e92afce71834663746cfaa9ddf52a25d5c586
- MD5 d753362649aecd60ff434adf171a4e7f
- SHA1 3b752ad064e06e21822c8958ae22e9a6bb8cf3d0
- SHA512 41bf41add275867553fa3bd8835cd7e2a2a362a2d5670ccbfad23700448bad9fe0f577fb6ee9d4eb81dfc10d463b325b8a873fe5912eb580936d4ad96587aa6d
- SSDEEP 192:3Gs+dH4+oQOTgDbzuNfrigyULWsXXZF/01JJijnK72dwF7dBEnbok:3GvdH4qMebzPY2Vijn+BEnbo
- TLSH T1F0623B51638888F3DBD6013EB4523707AB595126B4925DE2CB271FCA6D3B18E3EB2346
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4860 1060 WerFault.exe 82 - 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 4088 wrote to memory of 1060 4088 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1060 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 5443⤵
- Program crash
PID:4860
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1060 -ip 10601⤵PID:1264