Overview
overview
6Static
static
1voicewave_...74.exe
windows10-2004-x64
4voicewave_...74.exe
windows11-ltsc_2024-x64
4$TEMP/evw_...er.exe
windows10-2004-x64
3$TEMP/evw_...er.exe
windows11-ltsc_2024-x64
6$TEMP/evw_...ap.dll
windows10-2004-x64
3$TEMP/evw_...ap.dll
windows11-ltsc_2024-x64
3$TEMP/evw_...xe.exe
windows10-2004-x64
3$TEMP/evw_...xe.exe
windows11-ltsc_2024-x64
3$TEMP/evw_...up.exe
windows10-2004-x64
3$TEMP/evw_...up.exe
windows11-ltsc_2024-x64
3$TEMP/evw_...rl.dll
windows10-2004-x64
3$TEMP/evw_...rl.dll
windows11-ltsc_2024-x64
3$TEMP/evw_...40.dll
windows10-2004-x64
3$TEMP/evw_...40.dll
windows11-ltsc_2024-x64
6$TEMP/evw_...b1.dll
windows10-2004-x64
3$TEMP/evw_...b1.dll
windows11-ltsc_2024-x64
6Analysis
- max time kernel
899s - max time network
463s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/07/2026, 04:23
Static task
static1
Behavioral task
behavioral1
Sample
voicewave_installer_20260714.17840894148733b5550674.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
voicewave_installer_20260714.17840894148733b5550674.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$TEMP/evw_setup/1.0.0/46free/EDownloader.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$TEMP/evw_setup/1.0.0/46free/EDownloader.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/AliyunWrap.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/AliyunWrap.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral7
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/AliyunWrapExe.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/AliyunWrapExe.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/InfoForSetup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/InfoForSetup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$TEMP/evw_setup/1.0.0/46free/libcurl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$TEMP/evw_setup/1.0.0/46free/libcurl.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral13
Sample
$TEMP/evw_setup/1.0.0/46free/vcruntime140.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
$TEMP/evw_setup/1.0.0/46free/vcruntime140.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
$TEMP/evw_setup/1.0.0/46free/zlib1.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
$TEMP/evw_setup/1.0.0/46free/zlib1.dll
Resource
win11ltsc2024-20260709-en
General
- Target $TEMP/evw_setup/1.0.0/46free/libcurl.dll
- Size 359KB
- Sample260715-e1bm9abw3n
- SHA256 683bb7b131576fe7bc8efbd3c5b00b9ca5fd91b763774f51f4fb71a746cd896a
- MD5 2fc4f35490fa25908c2963a0fa586cb7
- SHA1 ba80bfe3ef6eb07f060100f231491de63001d35e
- SHA512 fb23525ac35f66cad45dc505f40553b1a1556752b18ff2259f11515a33546b5d6f2c44d9a2e7dc3f2d7336e656ade9ec9291434c5e038bbddb696c055d89dc7d
- SSDEEP 6144:lj9yPDdfoOVjXiNATUHtpt71vYSriO77CjZh9mXoSsXzimTt0V9nFEzl+/y:lj92GTLRrii7Cth0AXd0V9FEhCy
- TLSH T13C745BA2FC018032F6D21175E6FA9FB76C6C5125271AD0D3EAD044A49D749E3B23EB47
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 824 1324 WerFault.exe 87 - 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 4324 wrote to memory of 1324 4324 rundll32.exe 87
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\libcurl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\evw_setup\1.0.0\46free\libcurl.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 5763⤵
- Program crash
PID:824
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1324 -ip 13241⤵PID:5052
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1644
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵PID:6136