Overview
overview
8Static
static
1voicewave_...71.exe
windows11-21h2-x64
8$TEMP/evw_...er.exe
windows11-21h2-x64
3$TEMP/evw_...ap.dll
windows11-21h2-x64
3$TEMP/evw_...xe.exe
windows11-21h2-x64
3$TEMP/evw_...up.exe
windows11-21h2-x64
3$TEMP/evw_...rl.dll
windows11-21h2-x64
3$TEMP/evw_...40.dll
windows11-21h2-x64
3$TEMP/evw_...b1.dll
windows11-21h2-x64
3General
- Target voicewave_installer_20260809.17862786137099b4945271.exe
- Size 3.6MB
- Sample260809-pqnvya1tg1
- SHA256 2ec319eeabd3ec839cc82f28dcb6e86e6f2d5c6e09a4ac1b444e80fe4413aca5
- MD5 2e192fbc97db5f2644cb74624550bb1b
- SHA1 af0331038b1d263941b1602cd726807b4522a4d1
- SHA512 453c2a77007b2d9052acf42817c25443a6ad2126e956e18c1025132213f45cb5fa439a819135d812bc117159690de833e9620b9889e7f3f9bc0d086730d099a2
- SSDEEP 98304:TA4HXq5Y68xio+Q3Wf8q6rVfV9WxSKFG8ZCv4:XHxiQ3s8qUxV9WxAmCA
- TLSH T1E406231AAE63DC8FCF626C34B5520C1D1A3D5ABFD0124AD317BE1E384C693827AA7553
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
voicewave_installer_20260809.17862786137099b4945271.exe
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
$TEMP/evw_setup/1.0.0/46free/EDownloader.exe
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/AliyunWrap.dll
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/AliyunWrapExe.exe
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$TEMP/evw_setup/1.0.0/46free/aliyun/InfoForSetup.exe
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
$TEMP/evw_setup/1.0.0/46free/libcurl.dll
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
$TEMP/evw_setup/1.0.0/46free/vcruntime140.dll
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
$TEMP/evw_setup/1.0.0/46free/zlib1.dll
Resource
win11-20260513-en
Malware Config
Targets
-
- Target voicewave_installer_20260809.17862786137099b4945271.exe
- Size 3.6MB
- SHA256 2ec319eeabd3ec839cc82f28dcb6e86e6f2d5c6e09a4ac1b444e80fe4413aca5
- MD5 2e192fbc97db5f2644cb74624550bb1b
- SHA1 af0331038b1d263941b1602cd726807b4522a4d1
- SHA512 453c2a77007b2d9052acf42817c25443a6ad2126e956e18c1025132213f45cb5fa439a819135d812bc117159690de833e9620b9889e7f3f9bc0d086730d099a2
- SSDEEP 98304:TA4HXq5Y68xio+Q3Wf8q6rVfV9WxSKFG8ZCv4:XHxiQ3s8qUxV9WxAmCA
- TLSH T1E406231AAE63DC8FCF626C34B5520C1D1A3D5ABFD0124AD317BE1E384C693827AA7553
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Drops file in Drivers directory
-
Downloads MZ/PE file
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
- Target $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
Score3/10 -
- Target $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
Score3/10 -
- Target $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
Score3/10 -
- Target $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
Score3/10 -
- Target $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
Score3/10 -
- Target $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
Score3/10 -
- Target $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
Score3/10
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
3Remote System Discovery
1System Information Discovery
3System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
2Internet Connection Discovery
2System Time Discovery
1