Overview
overview
7Static
static
3ValhallaDS...en.exe
windows10-2004-x64
7ValhallaDS...en.exe
windows11-21h2-x64
7$TEMP/BASSMOD.dll
windows10-2004-x64
3$TEMP/BASSMOD.dll
windows11-21h2-x64
3$TEMP/R2RJUCE.dll
windows10-2004-x64
3$TEMP/R2RJUCE.dll
windows11-21h2-x64
3$TEMP/keygen.exe
windows10-2004-x64
3$TEMP/keygen.exe
windows11-21h2-x64
3Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/05/2026, 07:38
Behavioral task
behavioral1
Sample
ValhallaDSP_KeyGen.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
ValhallaDSP_KeyGen.exe
Resource
win11-20250619-en
Behavioral task
behavioral3
Sample
$TEMP/BASSMOD.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
$TEMP/BASSMOD.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
$TEMP/R2RJUCE.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
$TEMP/R2RJUCE.dll
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
$TEMP/keygen.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
$TEMP/keygen.exe
Resource
win11-20260130-en
General
- Target $TEMP/R2RJUCE.dll
- Size 242KB
- Sample260508-jgr84set2y
- SHA256 674a6eafb277261cd6959a4145329ab8b612fe5948fc8daf064192498fa65f92
- MD5 90a452c84f7f2b5ca5a61bccaaa17e92
- SHA1 3fb5829be5db5af55ee4043f0dce7f9253d800dd
- SHA512 41304120d3b2d0489fa82c13abce47fca967c6415e28c05382c0c567a167ff400f7d58b843afdfcc33227d4caa8fbb32af38fa7175fd066631fe1bb82615975b
- SSDEEP 3072:BsUYsLox8+vwJMcr7HKKQnpkrsvPmp55kIlzjjrfFO75Ag0Fuev/TBfoxzV7i94:n0x8fO0KD2AvPmbeQNcAOe3TBgDtDc
- TLSH T1BD34AE007491C4B6CABE053048B6EB655BFDB8200B70DDBB6B944E6E0E39681D7727B7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 912 1688 WerFault.exe 85 - 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 2032 wrote to memory of 1688 2032 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2RJUCE.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2RJUCE.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 6203⤵
- Program crash
PID:912
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1688 -ip 16881⤵PID:1808