48254fa30e88c98f57e85cba9b4996ba30048d9617c75de37779558d303d9ef3

Analysis

user interaction
yes
max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/04/2026, 14:05

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General

Target
20260417030746_0001278F.mov
Size 15.0MB
Sample260417-rea6tabt71
SHA256 48254fa30e88c98f57e85cba9b4996ba30048d9617c75de37779558d303d9ef3
MD5 ba88901aca84aeb9ca697721c607483d
SHA1 6c2a5ef4b0eaa6f6e58fb85b37aa7acc132fc68d
SHA512 a2c2141f4a1dd06f7f9b16db189c27f367929b3241fd123618139ce1845b8b6262fb712e5119556eeddb73eb583b5100b7ad1c8de4c7bd1453d98fec01b80c86
SSDEEP 393216:s4kYpFJ9LQwpgVpi1u2a26AxwLsgqFni/i02oX9vzSMo9F:s0nMj7i116+4WnqiyX9vzK
TLSH
T1E8F6333273114A71C563667ACB90CA7219D1C01C9B96BBA26333F2BA4DD4647DBEC9F0
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\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
File opened for modification	C:\Users\Public\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)	\??\W:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\O:	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.

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 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-600123060-2148212387-2211176695-1000\{D5516DF9-1077-4AD5-9419-CF22A647E09F}	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	5348	wmplayer.exe
Token: SeCreatePagefilePrivilege	5348	wmplayer.exe
Token: SeShutdownPrivilege	5080	unregmp2.exe
Token: SeCreatePagefilePrivilege	5080	unregmp2.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5348	wmplayer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5348 wrote to memory of 1352	5348	wmplayer.exe	80
PID 1352 wrote to memory of 5080	1352	unregmp2.exe	81

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\20260417030746_0001278F.mov"
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:5348
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:5080

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:2584

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

Replay Monitor

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Downloads

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 384KB
SHA256 69d351f5546d8e20aed4549148ce8b8344faa65fb64e00b248028ac408922319
MD5 d35defde3ad3faecd5955399986c9785
SHA1 7762067bc38abb0654f552bd5967404c57954ea3
SHA512 cabff3a74b4b18b87b389f74c383dd79f33f17504a239deb35bb0ccf0d6f9e20b638d136ef8b3b7390f48a16e4f9398f264cc714766c8f7c032124a8737d84d0
SSDEEP 768:Af0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr1vfEwPRzitFrzcooJImdba5aSt35:A69tQeoVYo
TLSH
T139843037E5A0A084DF3C7171E2AC1F4CBE72650B11E406425FB4B57EBA237D58A0B5EA
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 0e0891a1f9c3c4da61d9272d1654fd984aae924a7446ff598952d1c99177b54f
MD5 216cc220f1167f586cddb3a413b3c9e0
SHA1 d7d585d9f7020c064743d77e1180243d611a1cfd
SHA512 bb217e5b1b1eff081be30b39e5df432966e65286872a1ad76f11105cb27fa0ac16fa815f6aa52001b2a06d8fe0d6a03eafa7437f617c2704f8e010cfb70c102a
SSDEEP 768:I0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr8fEwPRzitFrzAqUmNKX08oJImdba9:2ZP2tFP3vqY8BqEMiTaBacgH
TLSH
T128257537D190B0C5CF2CB171E9ED8F09BA23A10B11A052465FF8A57E7A633D99D0B1E6
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 af227aadd7765bb3f9a4da9208c0d2b65e8f45b5020604eb2ed561a4b09ed55c
MD5 fc207bbcc30f370aa316ab3ec6551485
SHA1 bc8c84e55bb4c896e64f4bb7b6281dc544e9f4a2
SHA512 4e9eeeab38d55025d84b2820cab1cde93274048fca9581e02406a63962ffe4cfc5d2ffee593e7f8d2d4d65d9aaf68bba7b4842ce05e8993c2ccc85dcf8d5b09e
SSDEEP 96:5G/UpFltcNXtFUMUst97XtWUMbsthUMlstyOXt/L2tELXtctzAtlt:4/UpmnynUnK
TLSH
T15263D31262E45649F7F72EB0A9F76517BEBA3CA15F35E20D0210524E1C61F28DA31B26
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

Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
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 ad8e891ae068c8d6dc73217626922ce961dde8774c6a00a4c02fc1e52e928ed7
MD5 83f69e09f0da6054cbbf616aba1edfe4
SHA1 f9a966b5f7bfe5cbf16cdafa8fed0401c60eecb3
SHA512 ea0385460bec9b33691590ca924e3374f57dd53b2b0bebc3425a015b2522a48f2a0746c46552488652a99d94e5758f548c5107611e312a635dc7d7c3057321ff
TLSH
T169216B970A0AA4B0DDA017B768DCCA35737AE7CB4364D026B34EA81E480613DB33E05D
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1352-2-0x00000000012D0000-0x00000000013E2000-memory.dmp

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memory/5080-31-0x0000017CC6790000-0x0000017CC67ED000-memory.dmp

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memory/5080-32-0x0000017CC81F0000-0x0000017CC81FC000-memory.dmp

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memory/5348-48-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-52-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-40-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-39-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-41-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-44-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-43-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-46-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-45-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-42-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-47-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-37-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-50-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-49-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-51-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-36-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-56-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-55-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-54-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-53-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-58-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-57-0x00000000097F0000-0x0000000009800000-memory.dmp

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memory/5348-38-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-61-0x0000000004810000-0x0000000004818000-memory.dmp

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memory/5348-60-0x0000000000CB0000-0x0000000000DC2000-memory.dmp

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memory/5348-35-0x0000000004D10000-0x0000000004D20000-memory.dmp

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memory/5348-75-0x0000000000CB0000-0x0000000000DC2000-memory.dmp

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memory/5348-77-0x00000000029E0000-0x00000000029F0000-memory.dmp

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memory/5348-84-0x0000000000CB0000-0x0000000000DC2000-memory.dmp

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memory/5348-86-0x0000000000CB0000-0x0000000000DC2000-memory.dmp

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memory/5348-91-0x0000000000CB0000-0x0000000000DC2000-memory.dmp

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memory/5348-107-0x0000000000CB0000-0x0000000000DC2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads