58bdcb261ee89e553fd4f3b187e498e39bfa98cbd0c3df9e85d70e58cb275a24

Analysis

user interaction
yes
max time kernel
898s
max time network
355s
platform
windows11-21h2_x64
resource
win11-20260513-es
resource tags

arch:x64arch:x86image:win11-20260513-eslocale:es-esos:windows11-21h2-x64systemwindows
submitted
16/05/2026, 20:04

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General

Target
Aizen.mp4
Size 61.6MB
Sample260516-ys91macv6p
SHA256 58bdcb261ee89e553fd4f3b187e498e39bfa98cbd0c3df9e85d70e58cb275a24
MD5 2481a61189bb7750ccc0a025fdb532a8
SHA1 4a698633a952617e3cdad07a083202f5f5a520c9
SHA512 83bfd6ffc73d67a5651c8672d836cabf3553c748b3e4aafba4c372fd9659338bd3ceb3b853958eebf33edb3c5860eeb4287242ec613e1ba8d214187da4f7739f
SSDEEP 1572864:ZRqnFJ5MrsJzR8NqPIdbv2vuVmdKebEg6sdcPUkT:ZaCs8qPOevuVmc09dcPUkT
TLSH
T1E5E733A483E01A5A84BF3DDC2887A65AF1E7BD410F5F7B2FD55CB872247F3209252285
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
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
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

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3520	1060	WerFault.exe	78

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.

discovery

System Language Discovery

T1614.001

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1636999435-3883760687-346127294-1000\{C5BEFFF9-88EA-4E7D-B860-B8C2C9966524}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1060	wmplayer.exe
Token: SeCreatePagefilePrivilege	1060	wmplayer.exe
Token: SeShutdownPrivilege	1244	unregmp2.exe
Token: SeCreatePagefilePrivilege	1244	unregmp2.exe
Token: SeShutdownPrivilege	1060	wmplayer.exe
Token: SeCreatePagefilePrivilege	1060	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1060	wmplayer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 4460	1060	wmplayer.exe	79
PID 4460 wrote to memory of 1244	4460	unregmp2.exe	80

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\Aizen.mp4"
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:1060
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 2320
  2⤵
  - Program crash
  PID:3520

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1060 -ip 1060
1⤵
PID:1440

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 576KB
SHA256 d8cc0638548c832e59da7b391256b840c18771cb17d952a5cf5a5c007e2a746e
MD5 b32863f10eda986da9a64f5df65aad9b
SHA1 a8780ec29530ac9ffb5d1f458c5e2bd6f9111e3c
SHA512 6be27b25b91f9a595489a5e62629ad1cb0ad5f11f6597a867e9afeaaec2fc0e04b7d7fdd93192f1236ec7c4e5ecbe23335bc7240d9aee76623efa5f1dfeaa681
SSDEEP 768:U7KGVp3zT13VuI61HOdrrA9abhr1vfEwPRzitFrzcooJImdba5aSt3MjxngbCjP2:K9tQeoVYocxYCutFCJGAKt
TLSH
T10BC40F3BA470A098DF3C35B1E2AD6B8CBD71641A12E006421F74B57F7A337D8DA0A5E5
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 1024KB
SHA256 569df3ac8ed24329547deb6e92fae79a02f14666dc4710c4eb24a9a0c203dbe2
MD5 77a2dea7c3cf5f86e651eba3e945ef15
SHA1 e68efb07c338f3087a5cc3acdc49c75d4d09fffe
SHA512 208ac718e56a0f2f5d2614750c31518a3d6342a7497fd58788eae0f9042cb436ca2bcb38c8c9ba1aac4a706abf56e5e28ea087fdd0ef8d2bcc3bc4d526f523b1
SSDEEP 768:Q0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr8fEwPRzitFrzAqUmNKX08oJImdbaU:OZP2tFP3vqY8FqEMPTaBacg
TLSH
T1A6257437D190B0C5CF2CB171E9ED8F09BA23A10B11A052465FF8A57E7A533D99D0B1EA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

LocalMLS_3.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb
Size 68KB
SHA256 25b35538823bd600aae7bfecb40049e256469fbba322279de051496cbb7dd8c2
MD5 b5babf5d32cb0c1ed5875445fcb897b7
SHA1 ff382b5514d03dc3b656f3a00e0822674dfa94a1
SHA512 28aa053402f3c0af1d22ff0e625a52563a00e0977ff8555570c751fd3c2f50344aaa631a059ce91c2608f31ba3f9a6a45ab1c9a3e082c730da6f8fe15e69e085
SSDEEP 96:XxcKwltwNXthUMUstR7XtSUMbstlUMlstGOXtbL2tYLXtYt/Atht:Xx9rnSnAnK
TLSH
T12D638F2162EE6648F3F73E716DF965172E7A38D56E39E14E0310424E0961F2CEA70B23
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WMSDKNS.DTD

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

Submit Download

WMSDKNS.XML.bak

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

Submit Download

wmsetup.log

Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
Size 1KB
SHA256 21c15ebdde6920c279c71ac06c3e182cc9507152205c3fe938f341aff77412e3
MD5 95b5c530130507c66855704c6bacf3b3
SHA1 cec818b215f130881ca577c2722367ab59d7b6e6
SHA512 17139c5987ddc202590e5b4945d16f91860f052be0f662f6070a3df6718806249f933c34c93076bf02e35c74eadc96753fd45056f14a2d6f66dfd1dd932c184d
TLSH
T1F0218E970A099470DDA007B779DCCA35B3BAE3CB0364D026B24EA81E480513DB33D16D
MD5 SHA1 SHA512 TLSH

Submit Download

74d7f43c1561fc1e.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms
Size 1KB
SHA256 aceefe2545a88c76c5c88b51b614a7f9bb8b955a6c347be37de293f450ee357c
MD5 a84fb3a7cfd987d56157733b0b079463
SHA1 6c51738a25a46d14fc4a166d46d8d25c7545dd97
SHA512 17fc1bd4db867fc0ae9c5766850e7318d69be1d596fc6e3fa8c0a24d25d560dc35f07d63443847e8ce07afc09d64c9198b26d1f724360a15469ddb70708d7d18
TLSH
T1E641E20027D51A46F1A7C9336D6BA701AB3A7401F629C70F054952550C65744AE7FBEF
MD5 SHA1 SHA512 TLSH

Submit Download

PNY0EAL9DRV3QUHZSDQG.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PNY0EAL9DRV3QUHZSDQG.temp
Size 3KB
SHA256 6515158ef717749bddd9a59b0bc6c067247fc34350d75159c49b61d92bab590d
MD5 6be120efa5b202ed9f2f8ae7fb868354
SHA1 4d0c73ccd844b6e891573d2443e9890d66e044c8
SHA512 6395ac623ce2946e2d386cbd7dfb0b4b012dee3bade4f58e444f677ce3c1499f447ab1802e0591fd4c3303f662d515101ac5ae934d714d767adb8ae3a4536836
TLSH
T17371FF0057E61A4AF1A389336C7BA701EB367802F629C70F054952660CB1744AA7FBEF
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1060-37-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-36-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-38-0x0000000008090000-0x00000000080A0000-memory.dmp

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memory/1060-39-0x0000000008090000-0x00000000080A0000-memory.dmp

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memory/1060-41-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-40-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-42-0x0000000008090000-0x00000000080A0000-memory.dmp

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memory/1060-33-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-32-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-35-0x0000000005020000-0x0000000005030000-memory.dmp

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memory/1060-34-0x0000000005020000-0x0000000005030000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads