Overview
overview
4Static
static
3Setup.exe
windows10-2004-x64
4Setup.exe
windows11-21h2-x64
4$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...er.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$PLUGINSDI...in.dll
windows10-2004-x64
3$PLUGINSDI...in.dll
windows11-21h2-x64
3$PLUGINSDI...zU.dll
windows10-2004-x64
3$PLUGINSDI...zU.dll
windows11-21h2-x64
3$PLUGINSDI...nz.dll
windows10-2004-x64
3$PLUGINSDI...nz.dll
windows11-21h2-x64
3curl.exe
windows10-2004-x64
1curl.exe
windows11-21h2-x64
1uninst.exe
windows10-2004-x64
4uninst.exe
windows11-21h2-x64
4$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows11-21h2-x64
3$PLUGINSDI...in.dll
windows10-2004-x64
3$PLUGINSDI...in.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 06:30
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
Setup.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsNiuniuSkin.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsNiuniuSkin.dll
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis7zU.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis7zU.dll
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsisunz.dll
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
curl.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
curl.exe
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
uninst.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
uninst.exe
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsNiuniuSkin.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsNiuniuSkin.dll
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20260130-en
General
- Target $PLUGINSDIR/System.dll
- Size 35KB
- Sample260424-g9pmkshw21
- SHA256 7b4b8735810b4a266045236b1e936d5e3d0e32570a04f7eb08ad684a5cbcbbb9
- MD5 3ff196f43f79759aa0c9b457970ab5b8
- SHA1 b85b004e1126c84f7662e57382d585e473701266
- SHA512 fcae9e95d712aa98654a80f8c19f481a0e93e06747a57498f2bd1a83ab1b910dbbe49bce19ccb328750c34afd9b41408fce57542283e539885f719a179080671
- SSDEEP 384:zCAGCYNs4C/nWxVg8kTM1yTFYgNpwKANy5hmL4/y8RUAQNpwK3yqxgy8RbmL4nNJ:zC9CYNnC/P8kg18TOLk5myr5ALTH+
- TLSH T116F27D234A7068B2DE16CD74B4C969339E7172616AA188C363A6C158CF813D63F7D1BF
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1648 1796 WerFault.exe 79 - 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 484 wrote to memory of 1796 484 rundll32.exe 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1796 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 4603⤵
- Program crash
PID:1648
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1796 -ip 17961⤵PID:3692