Analysis
- max time kernel
149s - max time network
130s - 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, 19:11
Static task
static1
Behavioral task
behavioral1
Sample
TheSkyeBoatSong-Demonstration.m4a
Resource
win10v2004-20260513-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
TheSkyeBoatSong-Demonstration.m4a
Resource
win11-20260513-en
8 signatures
150 seconds
General
- Target TheSkyeBoatSong-Demonstration.m4a
- Size 4.1MB
- Sample260601-xwbfssdx71
- SHA256 2baada58704519369519c681bf20efc37122f09879d5f4286273771eefe1e1f5
- MD5 3546a03b0ce7d45d8d9a3906ef4e0994
- SHA1 db36bf6ff6a5c356acfb2021762a6847d07e85ab
- SHA512 bc2e6c6379db1f39b06dc27d11a27c9ad1b75969658f568fa7d286cc81d1a94a0b0e0bfe159e1fb86d545ef0506c5ba133f3da91b23751f02adb1bce85eba78f
- SSDEEP 98304:FAviPTOHbg7FuPiLDRqZcUn6PCIigVtXUft2:FA6PTSbOFugRqKaIicks
- TLSH T119163336ADA119D6D544193E13DE7D187B3228FF8C9FD2C5A252F6853E3A3C6DB0A900
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Drops desktop.ini file(s) 7 IoCs
description ioc Process File opened for modification C:\Users\Admin\Videos\desktop.ini wmplayer.exe File opened for modification C:\Users\Public\Videos\desktop.ini wmplayer.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini wmplayer.exe File opened for modification C:\Users\Public\Pictures\desktop.ini wmplayer.exe File opened for modification C:\Users\Admin\Music\desktop.ini wmplayer.exe File opened for modification C:\Users\Public\desktop.ini wmplayer.exe File opened for modification C:\Users\Public\Music\desktop.ini wmplayer.exe - Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\J: unregmp2.exe File opened (read-only) \??\U: unregmp2.exe File opened (read-only) \??\I: wmplayer.exe File opened (read-only) \??\P: wmplayer.exe File opened (read-only) \??\X: wmplayer.exe File opened (read-only) \??\Z: wmplayer.exe File opened (read-only) \??\S: unregmp2.exe File opened (read-only) \??\N: wmplayer.exe File opened (read-only) \??\Y: wmplayer.exe File opened (read-only) \??\G: unregmp2.exe File opened (read-only) \??\Y: unregmp2.exe File opened (read-only) \??\B: wmplayer.exe File opened (read-only) \??\T: wmplayer.exe File opened (read-only) \??\A: unregmp2.exe File opened (read-only) \??\R: unregmp2.exe File opened (read-only) \??\V: unregmp2.exe File opened (read-only) \??\Q: wmplayer.exe File opened (read-only) \??\V: wmplayer.exe File opened (read-only) \??\B: unregmp2.exe File opened (read-only) \??\E: unregmp2.exe File opened (read-only) \??\L: unregmp2.exe File opened (read-only) \??\M: unregmp2.exe File opened (read-only) \??\P: unregmp2.exe File opened (read-only) \??\Q: unregmp2.exe File opened (read-only) \??\T: unregmp2.exe File opened (read-only) \??\W: unregmp2.exe File opened (read-only) \??\H: unregmp2.exe File opened (read-only) \??\O: unregmp2.exe File opened (read-only) \??\Z: unregmp2.exe File opened (read-only) \??\G: wmplayer.exe File opened (read-only) \??\H: wmplayer.exe File opened (read-only) \??\J: wmplayer.exe File opened (read-only) \??\L: wmplayer.exe File opened (read-only) \??\O: wmplayer.exe File opened (read-only) \??\I: unregmp2.exe File opened (read-only) \??\X: unregmp2.exe File opened (read-only) \??\A: wmplayer.exe File opened (read-only) \??\M: wmplayer.exe File opened (read-only) \??\R: wmplayer.exe File opened (read-only) \??\S: wmplayer.exe File opened (read-only) \??\U: wmplayer.exe File opened (read-only) \??\W: wmplayer.exe File opened (read-only) \??\K: unregmp2.exe File opened (read-only) \??\N: unregmp2.exe File opened (read-only) \??\E: wmplayer.exe File opened (read-only) \??\K: wmplayer.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll svchost.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 wmplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language unregmp2.exe - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1679180529-4058988202-686829476-1000\{5F6B6DC9-58A5-4CFE-B03E-F4AD909CB8F0} wmplayer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-wmplayer wmplayer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-wmplayer\CLSID = "{cd3afa96-b84f-48f0-9393-7edc34128127}" wmplayer.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 1448 wmplayer.exe Token: SeCreatePagefilePrivilege 1448 wmplayer.exe Token: SeShutdownPrivilege 3300 unregmp2.exe Token: SeCreatePagefilePrivilege 3300 unregmp2.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1448 wmplayer.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1448 wrote to memory of 4644 1448 wmplayer.exe 81 PID 4644 wrote to memory of 3300 4644 unregmp2.exe 82
Processes
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C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\TheSkyeBoatSong-Demonstration.m4a"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\unregmp2.exe"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\system32\unregmp2.exe"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:3300
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-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost1⤵
- Drops file in Windows directory
PID:3412
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
- Size 512KB
- SHA256 37aa3efbf96d63e646ad768f3b43a35297662efdddae4c529ca33d25579b8a6f
- MD5 cb7e01aa7934596717166c67842937f6
- SHA1 28d4ed6dae0fe6bc4a85196c9de201ddae4cadda
- SHA512 4b725df5e6cc2ff8b5e7458d7a061cb14d7a8fdf1b3b57c1fb036ed6c5a8080154c6f9fffac39a771ca5d4c073e2e749a883ec369d2ffc65e779528ad978e26f
- SSDEEP 768:Af0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr1vfEwPRzitFrzcooJImdba5aSt3:A69tQeoVYoUxYCutFC
- TLSH T137B41037A560A098DF3C35B1E2AC5F4CBD72650B12E006421F74B57F7A237D98A0B5EA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
- Size 1024KB
- SHA256 0cfc22cd764a942a41d0ec993fab4e10a58ce3b698c177ffad5f9dba3535782f
- MD5 4305ae27ea2cf8fac1e41aceb32e47fe
- SHA1 972fb654c6efb8e778b2994cfccaeaa9a2ae65cc
- SHA512 ec5eeb4304177230b63e7dd265b07cdd998c7c43e6de1a54931ff8ac2e809b9e96c68973cba8fcaecfd3ea548e35a39f74cf684f4f06891bdfeca3ab8b0bb313
- SSDEEP 768:I0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr8fEwPRzitFrzAqUmNKX08oJImdba+:2ZP2tFP3vqY8/qEMIsTaBacg
- TLSH T119258437D190B0C5CE2C7071E9ED8F09BA23A10B11A052465FF8A57E7A633D99D1B1EB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
- Size 68KB
- SHA256 26e5d8eb3f2cd2ba7a1b900aeea454a87df825464bc522a2f179ea2f9497cdd5
- MD5 6efea7b24b1b6226a333dfb263e5d194
- SHA1 135e26a48d76ff9609d6b66e8828157266c8d4de
- SHA512 0d0d8d3fe90333ddf56740efcce3f8b80a167102c5abc13a40c59633e8b1a3865fdbf3835f9a5cf35f7e15f1ad38d5e90f24ac7ecccd14a4a03a1f9b7fedb3fe
- SSDEEP 96:fOXFf0UlthNXtqUMUstA7XtBUMbstmUMlstLOXtAL2tpLXtbtyAtCt:mSn6nTny
- TLSH T10463D4522AE85A49F3FB2E716EF6A5222F3B38925E79D10C4214524E0D60F1DED34F23
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
- Size 498B
- SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
- MD5 90be2701c8112bebc6bd58a7de19846e
- SHA1 a95be407036982392e2e684fb9ff6602ecad6f1e
- SHA512 d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe
- TLSH T15BF027AD4BE26C59323110903E78A0B0DD05F0B3645B3A6970CE5C7679E7D9C0407FD1
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
- Size 9KB
- SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
- MD5 7050d5ae8acfbe560fa11073fef8185d
- SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
- SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
- SSDEEP 96:/YkZRAF6zyHUhm77yB1pZYCEnfHrHH7B6xTGH+YCLV3zwULJEYCJWyHBt3zwFRh+:/2FV0bBPCfUdY
- TLSH T10022A2A194818DD206290E275DB95C0DDA8CE9D3832C24997C9EEB7FDFB1C00355FB6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
- Size 1KB
- SHA256 88c504dc41c1c74ef0a2e441f552f8a1fb0553f57c3d3ee907fc7966717f5e1b
- MD5 34b97bb89bd7201a09a681d146676f2f
- SHA1 8344015f25817a7a563680beee3c0398d7c03e2c
- SHA512 f95674fc75b0bec29758b09dc5e87b941248aacae3c66d3fed84895bf5475f51ae951f2cc194e50a33b7d0c35a23e434d413d1d44714639b218279ac4bc1e359
- TLSH T11A214C974A0994B0DAA007F769DCCA3573BAE7CB4354D026B34EA81E480513DB73D06D
- MD5 SHA1 SHA512 TLSH