72fc429136beb6c8b9cc5ddd23d38efa02cee7eb26b85879cf27e716f925e50b

Analysis

user interaction
yes
max time kernel
149s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 14:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
VIDEO-422225213.mp4
Size 13KB
Sample260604-rdeslsgy8n
SHA256 72fc429136beb6c8b9cc5ddd23d38efa02cee7eb26b85879cf27e716f925e50b
MD5 2590e1529479fe84fe8e40d1f97d4fd6
SHA1 08c0d9b864e38862f08ea24c73da3a7c1641d918
SHA512 15419405e8b3b0b3878f987ea8a7b0dccac978e225b934f084b81d8447c40b3ad6ac5c3ca50abd2ae5ffdb16d89e884811d728a719886c512386ebe2df70570e
SSDEEP 384:ox5vTEDVQOjwb8Bi44YEB+dHCFQTSSGb1DrdRL1+Mo:WIhQOli45EsPGxDXRu
TLSH
T1AF52D00AA14849EDD1B23DFB941BFC150E9BC0D057D5A5E478784D258C28D15EC07FEE
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)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\G:	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)	\??\E:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\I:	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 2 IoCs

description	ioc	Process
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	2504	wmplayer.exe
Token: SeCreatePagefilePrivilege	2504	wmplayer.exe
Token: SeShutdownPrivilege	5012	unregmp2.exe
Token: SeCreatePagefilePrivilege	5012	unregmp2.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	wmplayer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 4160	2504	wmplayer.exe	80
PID 4160 wrote to memory of 5012	4160	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\VIDEO-422225213.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:2504
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:5012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:1996

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

Loading Replay Monitor...

Downloads

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 64KB
SHA256 cac3a8354c7766b4ce0900bf4d8097bf372ec405a6af4bba63a6d92132932a30
MD5 066f6e5acfff197d12b550ef7d452d41
SHA1 aaa8cfa5a56519594490d069f31a42a15ca515a2
SHA512 21c3985bdc883b7c0fcdfb660a577eb03870943d9e812a24726158b6c06cc36b00425fdeafddcb099fddd1488173280563f7241c9589e69d04d1eb1b5daa786b
SSDEEP 3:xnallkltlsl7pl+e/lls4XtXMlOI1Xlldl0lcNklltlwzl4hR/mll:s+1E3+e9X9kOI10cAe
TLSH
T17B539208E3605662C404837664E60742A371F4690A1EEB0B602964381C022D92CA0180
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 98815a444a48533ff3939d6f333c26d1ffe60cf8ad775782358bb59b895fa763
MD5 17a615a09842ff7a319caadc724d76c4
SHA1 86e0f627da03546cc83f8d252b95f3a9869078b8
SHA512 6f3ccb0d1fe09193d18eb9975fa857364c6d1f038797380fb1ea1b39846d6fc9f40b8536d6901098d3ec6440de3233e04130b93126b2c875a292330ca3bebac2
SSDEEP 1536:/ZP2tFP3vqY8iqEMQTaBacgL95716x6MjXs:/t6h/FTalg95716x6MjXs
TLSH
T170258437D190B0C5CE2CB071E9ED8F09BA33A10B12A052465FF8957E7A533D99D1B1EA
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 85a64098952040b869543477e08dbde13d086c655259b911a39314e4269d4537
MD5 918e0af9568f94dd05ad61a071a51b78
SHA1 60046139df3bd15cef5c7491ef5c8ffe58dfc486
SHA512 96263d3927c2e6e0a71a070dc81d54cc2b7d1892faba47df0e3d1b6b3e356c76ca41097805b36e292edbb91d9dd8a015423cfd872239876aea90b0e230e76c64
SSDEEP 192:8SJSmnqnFnCT9mAL44Lzh9mALHne9mALn9mAEnLgyDGtWw3y:1toAEezhoAioALnoAu+13y
TLSH
T10763AA1696E94256F3FAAE3165F775222F6778501E39E64C113C824D0FB3F28B930B26
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 b4bc8d07404047f2d5d509ce1fdebb16d6dd9e91f7b498ffbe76f25a8f0f4a86
MD5 ff528ac643f418943b58f183245e22ce
SHA1 c9cc23cfd480850c6925bfce5e18fb297f8e41ba
SHA512 5df5259719d1988a2cb7f491fe9b0e99cb867cce7ed51f0d6e98b3eb74ab2017f9863106e994bf6d2db106dc26325a8324ebdf94a9676a451d27f06cc3d98007
TLSH
T1AE2149A60A09A4B4D9A007B769DCCA35B3BAE7CB4754D026B34AA81E480613DB73D06D
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2504-36-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-37-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-38-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-34-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-35-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-39-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-40-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-33-0x0000000009C10000-0x0000000009C20000-memory.dmp

Download

memory/2504-32-0x0000000007630000-0x0000000007640000-memory.dmp

Download

memory/2504-57-0x0000000007630000-0x0000000007640000-memory.dmp

Download

memory/2504-64-0x0000000007630000-0x0000000007640000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads