Overview
overview
4Static
static
3AJAZZ AK82...rd.exe
windows11-21h2-x64
4$PLUGINSDI...er.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...in.dll
windows11-21h2-x64
3$PLUGINSDI...zU.dll
windows11-21h2-x64
3AJAZZ AK82...rd.exe
windows11-21h2-x64
3AudioRecord.exe
windows11-21h2-x64
3DuiLib.dll
windows11-21h2-x64
3HookDLL.dll
windows11-21h2-x64
3SDK/x64/vi...ib.dll
windows11-21h2-x64
1SDK/x86/vi...ib.dll
windows11-21h2-x64
3Updata/升...21.exe
windows11-21h2-x64
3Updata/测...09.exe
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 16:55
Static task
static1
Behavioral task
behavioral1
Sample
AJAZZ AK820 Ëð¤▀RGB Keyboard.exe
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsNiuniuSkin.dll
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsis7zU.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
AJAZZ AK820 有线RGB Keyboard.exe
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
AudioRecord.exe
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
DuiLib.dll
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
HookDLL.dll
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
SDK/x64/vista/osConfLib.dll
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
SDK/x86/vista/osConfLib.dll
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
Updata/升级包-S2_12_049-B-VS11K28A-盛冠SG8948-AK820-MAC-V0102-CS590C-20230621.exe
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
Updata/测试版升级包-S2_12_049-B-VS11K28A-盛冠SG8948-AK820-MAC-V0103-CSD228-20230909.exe
Resource
win11-20260513-en
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample260601-ve7fsscv6m
- SHA256 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
- MD5 bf712f32249029466fa86756f5546950
- SHA1 75ac4dc4808ac148ddd78f6b89a51afbd4091c2e
- SHA512 13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4
- SSDEEP 192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/
- TLSH T1DC3229328B60C1F2D561C274496B3A3367B9761420B04D67DFB78446EC16AD66E3E327
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1528 3140 WerFault.exe 80 - 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 3196 wrote to memory of 3140 3196 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3140 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 4603⤵
- Program crash
PID:1528
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3140 -ip 31401⤵PID:3824