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
898s - max time network
431s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 voicewave_installer_20260714.17840894148733b5550674.exe
- Size 3.6MB
- Sample260715-e1bm9abw3n
- SHA256 2ec319eeabd3ec839cc82f28dcb6e86e6f2d5c6e09a4ac1b444e80fe4413aca5
- MD5 2e192fbc97db5f2644cb74624550bb1b
- SHA1 af0331038b1d263941b1602cd726807b4522a4d1
- SHA512 453c2a77007b2d9052acf42817c25443a6ad2126e956e18c1025132213f45cb5fa439a819135d812bc117159690de833e9620b9889e7f3f9bc0d086730d099a2
- SSDEEP 98304:TA4HXq5Y68xio+Q3Wf8q6rVfV9WxSKFG8ZCv4:XHxiQ3s8qUxV9WxAmCA
- TLSH T1E406231AAE63DC8FCF626C34B5520C1D1A3D5ABFD0124AD317BE1E384C693827AA7553
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes dropped EXE 5 IoCs
pid Process 6120 EDownloader.exe 4492 InfoForSetup.exe 2496 InfoForSetup.exe 556 AliyunWrapExe.Exe 5108 InfoForSetup.exe - Loads dropped DLL 7 IoCs
pid Process 6120 EDownloader.exe 6120 EDownloader.exe 6120 EDownloader.exe 4492 InfoForSetup.exe 2496 InfoForSetup.exe 556 AliyunWrapExe.Exe 5108 InfoForSetup.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 EDownloader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InfoForSetup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InfoForSetup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AliyunWrapExe.Exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InfoForSetup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language voicewave_installer_20260714.17840894148733b5550674.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 6120 EDownloader.exe 6120 EDownloader.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5324 wrote to memory of 6120 5324 voicewave_installer_20260714.17840894148733b5550674.exe 86 PID 6120 wrote to memory of 4492 6120 EDownloader.exe 87 PID 6120 wrote to memory of 2496 6120 EDownloader.exe 88 PID 2496 wrote to memory of 556 2496 InfoForSetup.exe 89 PID 6120 wrote to memory of 5108 6120 EDownloader.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\voicewave_installer_20260714.17840894148733b5550674.exe"C:\Users\Admin\AppData\Local\Temp\voicewave_installer_20260714.17840894148733b5550674.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5324 -
C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\EDownloader.exe"C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\EDownloader.exe" EXEDIR=C:\Users\Admin\AppData\Local\Temp ||| EXENAME=voicewave_installer_20260714.17840894148733b5550674.exe ||| DOWNLOAD_VERSION=free ||| PRODUCT_VERSION=1.0.0 ||| INSTALL_TYPE=02⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6120 -
C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe/Uid "S-1-5-21-2370214745-1838013427-2987045292-1000"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4492
-
-
C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe/SendInfo Window "Web_Installer" Activity "Result_Run_Installer" Attribute "{\"Country\":\"United States\",\"Pageid\":\"17840894148733b5550674\",\"Timezone\":\"GMT-00:00\"}"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.ExeC:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:556
-
-
-
C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe/SendInfo Window "Home_Installer" Activity "Result_Download_Configurefile" Attribute "{\"CDN\":\"http://download.easeus.com/api2/index.php/Apicp/Drwdl202004/index/\",\"Elapsed\":\"1\",\"Errorinfo\":\"0\",\"Result\":\"Success\"}"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5108
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\EDownloader.exe
- Size 3.4MB
- SHA256 09fc252661481ea65e23c90babdb7801be6b77dc5db3095cf726372d0d80ff0a
- MD5 83aaf734d620f4a1b4aab6d5f0cf6819
- SHA1 e6e2d128d260c9a52e0ee3cb32023ddb9d1b9d66
- SHA512 22c34ed55fa0149f72bf2ad4751eef52897bb5dd4f300cc5d0cbadc566c33b7907114cca567ad12edd58c1aef811014bbbe81599ccb9e28a2af8007347e92df1
- SSDEEP 98304:H+gzEdPtI8TzKPrqSUiyk++U3AfqkQHLtrBUnKR:eVbNSokU3Oqko5rBU4
- TLSH T108F5E12176A28037F5B304B59D7F6B6ED46CBE32072494D7A3C40E2D0A71AD27A32767
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunConfig.ini
- Size 1KB
- SHA256 27c809bba8a0d5de3e8f555b4dd5d949d81310c331c3388359724c937122e265
- MD5 051340ad67b1eb02f05ba6a537ef89c3
- SHA1 d42adc458908b63d9d3fe68a4a01492ce848046d
- SHA512 e351bcb13b545b50eabc9e3f325d52796deabc613640833ebf8df753e996de82d39b7d1b448f24f37e5a85e37f57c3bcba22ae6f0b79db0c8004dcd9660a4d1f
- TLSH T17E316D2B35F910089073BF4AEFE8D4F7C76A79116949D85940D1034F49D5680EE13A7F
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrap.DLL
- Size 482KB
- SHA256 544b2bf4ccdaeaf6ce8f3e0d4faa98281ad17f65fc2defaec915d16d320dbda6
- MD5 90a1760397db7be8a7a82b82cfb72d2c
- SHA1 774f0a6c25a61b0e3c2c80fc4bc5830d4c77db55
- SHA512 29439377953068d75902c205f2db5f40b0bc9925e6761082dcd0da722ed1301df8d1dbe93f8f0e301322a4e6c680139f0c21e0974387d3c20a00c6ca947b9ec4
- SSDEEP 12288:laK0OuDBlYPIj/q9DQsEfExtrlp87pMaIPuboWMlyF0Pas:39DeuBc/IPu8WMAF0Pas
- TLSH T1FEB4BF53AA80C1B3D18A017516B6B77B2E39A7355364D8C3F3D81D785E207E27A3938E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\AliyunWrapExe.Exe
- Size 107KB
- SHA256 2cc207dd14110192c642536432166a1ec77ee4aae071d206707425b7fc969cd3
- MD5 f9a22315670147c91e2e044403f8e791
- SHA1 a0407ef0c23fc82c831b2e2fef48048e98c17e56
- SHA512 865f71d0ddc09506fea34aaf481f79469c7fbcb523dcf4f6967a4f55ad4d17907e1294c21f5e7dae96844d54a5e16174579b11256c8836ab3c17403f9a259d7f
- SSDEEP 1536:M554a+kMgHZ73LkUluTbDJgX+oLENoN2CraI9WkF1X8OEdlg5BaAU+/I0:vswTbD6LLraInhEdlg5BJU+/I0
- TLSH T107B37D217980C032E8A714738DFCDA699A6CF9311B5598C7B3C84A6E0F617E1BF35267
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\DataFile.ini
- Size 700B
- SHA256 6e37654c02a5ecfcd8d37cceab6531c8762423d6eac425706c96087a9aec6951
- MD5 3d7df7064e5d31a72b0844d10516624c
- SHA1 682d20e5fe20e0e585342c9df19ebaeaac663604
- SHA512 3a95e483901e5714eec1534e02cab5d3236924b8111655ffedd4b138e74042d123061a275e95220f7fcce759bdc46644f47f52140681c74ceb8c05ccfa1a6819
- TLSH T15401D16A6AE81159F5B36A2EEFB4C825573B78C54C08C58C10E22E0F08E0A11D5233BB
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\DataFile.ini
- Size 88B
- SHA256 ae89726af2bd0c0218fbf63af20d4464f44dced5156364d817b6e73afc8e9f87
- MD5 7f411750d07619f38537e7fd612b8b44
- SHA1 cda241a1ce5141288582c8f0ac4850992b427bdc
- SHA512 35dad46325060004a66e01e10af6a3ebfd94b6751347b6ec64840c4ec03d81480fc324494ea39dded03bf2f1a1ce352b15ab518d14214c15567af17fb32f16b8
- TLSH T1A6B0027757CD540AFD2A346ACBC8A43F5B47A1AC501F995E60C13647C4D4C5127130F7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\DataFile.ini
- Size 598B
- SHA256 a1d61fdf9985289c43d7c286398003fb13e082bbc4d8f35b7920921c1bbd2d39
- MD5 193fcc3d25b622c9e2481e2e03db2533
- SHA1 6a6c29057a45f3784876ccc4fd03f799144c977d
- SHA512 f9d0d16e1d2d8fecfa8f2f77d0b8e18a99d7cb1020f8b359df2a2bd8654b06f5436d554b029d9edb14a7c00a4140ff34dcf5632502956e2a09a120ad3d37a09b
- TLSH T141F0B4775AEC205AB8B3266ADFF88877532778C5185CD94C64E12B0E00F1002D0532FF
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\DataFile.ini
- Size 1KB
- SHA256 de06d605883fcc35de0c3e1db7bb3534e26cf0bd1d7a4b9d2af5a8521f066efa
- MD5 2d353c433b883648ff85fa630a3e1733
- SHA1 18d91090e6fda635a57b9c52a2b12acfc5bbc933
- SHA512 86d1487ff9c6458f64109bcc404c03333368d88a805d897fd7828977a002a84db86f4066356b8598aa26b307eee21b2cd3f749e7101b2bec69ff1ff5d933e1f7
- TLSH T1B021C0666AE8115AF5B3662EEFF4C936533B78C54C48C94C14E22F1E04E5501D4533FB
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\aliyun\InfoForSetup.exe
- Size 65KB
- SHA256 b7e0bb05d2b6673dae04d3a008b516e3c2803e6d388dcae3405b94e7f7ddcf3f
- MD5 f20f89694c7ff9e0c84d8b55ddabcb5b
- SHA1 1ac86fa7877c09e9132958171260c12ef289fbfb
- SHA512 3d27047339e6c70876778a90bdde84dd758be397dcc1453f26d4dffc4d6eec378b58eb88ef88c0eba24fb8c43099e8d50d8dbeb26dada81f1a3216d27d039ca8
- SSDEEP 768:AVyp8XwXEXrjOgRXvLH4IE3jDnIoiiBbIADgykhUMId50BLbVTkK/Ws5ALH:AECwXShvLYIE3nnInie2khc50H/a
- TLSH T12F638E127890C033CC5A88B55868D7A09F6FAA6217E494C77FDD16BD4FA13C06F3936A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\cacert.pem
- Size 232KB
- SHA256 5a03d0cf132b66659edcf43c087c4cb1b3647f341ace02dd84c693c804a0a5dd
- MD5 3548d8825b94ecf3cb6fc617e32e8989
- SHA1 54edbb080d5505f03dff5bbf71efa31794d0e064
- SHA512 fc5a5d81a9d052701ddcbf62437a7c64813d22a842468fbaa530ff3a5541cbbf2270b885974627c468d6af217806e39ea20802e7a3b79ee76e9700fef56fa024
- SSDEEP 3072:VhGvwW6Jj7ITWYv0yoVH283rz9WqIAsjjg4DsUQS88UP4TFf3xVOVkCC554jMN/V:f5W+j8chWf8xyvp5iIzB9Nxza/MT+K
- TLSH T18434BF9BCF526C5918D3E094C9AB025DD81E4263DDDB78A32D0A3801DF89B3E66FD48D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\libcurl.dll
- Size 359KB
- SHA256 683bb7b131576fe7bc8efbd3c5b00b9ca5fd91b763774f51f4fb71a746cd896a
- MD5 2fc4f35490fa25908c2963a0fa586cb7
- SHA1 ba80bfe3ef6eb07f060100f231491de63001d35e
- SHA512 fb23525ac35f66cad45dc505f40553b1a1556752b18ff2259f11515a33546b5d6f2c44d9a2e7dc3f2d7336e656ade9ec9291434c5e038bbddb696c055d89dc7d
- SSDEEP 6144:lj9yPDdfoOVjXiNATUHtpt71vYSriO77CjZh9mXoSsXzimTt0V9nFEzl+/y:lj92GTLRrii7Cth0AXd0V9FEhCy
- TLSH T13C745BA2FC018032F6D21175E6FA9FB76C6C5125271AD0D3EAD044A49D749E3B23EB47
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\vcruntime140.dll
- Size 78KB
- SHA256 44aca93d4a046252c60f0cbbe5259d9509b912aa07e5379b2cdbe842700c7e9c
- MD5 b8f25e1833429fd8f529c5fdd2a4f3b4
- SHA1 7ae7ca5e695e6cdb590022a0602879bc2f56a65a
- SHA512 077007237e7ddfd280dd08f145a0f3c775c461bbf61574cbefc4f7c29ba6308c16b52da94dc8f78345fec1cdac25f5e604b890669124a7e38e205e54a68729e7
- SSDEEP 1536:JbiyVUrqIQsn1xtg6RxkkBGCGHDWbWzaecbGaBLL+/o8:liyLyt/xcRjWazaecbGCu/o8
- TLSH T1A9737D4335E082B5D9AF05F4D8BAA70A9A7DF8500FF26EE76B944949DF60AC09770307
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\evw_setup\1.0.0\46free\zlib1.dll
- Size 84KB
- SHA256 b4ad7ba65fededaa11befbfcbd688a1da96031c88e2324075b42e5057f04c6b8
- MD5 089c6e80c5d506ca980f4fe2f6747dde
- SHA1 f59e5441c43b008ff49a67cdc9960d33be5425f7
- SHA512 dec10d21a229557624b47e9d2e3e011dba592bf9e31d67cd25b6237ba23cf6661ec4475559d06be6a0447260d142856bafbc57cc3cabb96654762dc03feec4f8
- SSDEEP 1536:F2lVj7uRxDXVJ3DD7fGcg/hiOrN/GyrZlIOsIOI/QxVDIJ/D:FQVjSHTXbg/hjdZviI/QxVDIJ/D
- TLSH T19783AE82FAD053A2D9F6007490F7877D9A3670214B97ECDBE38DB66849113D1AB362CD
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\resource.ini
- Size 237B
- SHA256 324e0e753b7f5d69d52a89a085329e9dac9b4a33b1bd34cad8cb81530d00cfa2
- MD5 b452f9529880ca4668ce2f603ab147f6
- SHA1 5fb906044b5e01e482b7ca6739a27ca317b3bdae
- SHA512 0965f455912e62ba2c40134d48dbfc631f383db7b71033743c8f06533ab7b338e8947478002da3fa92390f15eed0d90d251aa6b8ed7d49e33a30563aa392bf46
- TLSH T1A9D0A7BBCB4A00FFCE0083C839002F97F703491A4423CD1098A01A08F02281AE8878E7
- MD5 SHA1 SHA512 TLSH