80bc4b173065a4583490e7e50e2bf3320ebdd165af60d1e8c1d59b12f9a238a4

Analysis

user interaction
yes
max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/11/2026, 11:13

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General

Target
123.mp4
Size 55KB
Sample261106-nbkpasct2r
SHA256 80bc4b173065a4583490e7e50e2bf3320ebdd165af60d1e8c1d59b12f9a238a4
MD5 86763639faa129dea0567b6b5673dc3a
SHA1 71bd1fb04accd402e03c15bd3579b22070080546
SHA512 74194aa9ed33530f86fd76808d2e85cf4bae2fcbff14d07e3814e179121ad7adc7c632fcfd2f5bdf79e071459e75b9a3226697f86c2d6347beef0be82aa1b66c
SSDEEP 1536:PtWNMDncNi9y6iRD8wsNMDrXExI3pm6sm:8NMDn9ULRD8wsNMDrXExI3pm
TLSH
T10D431844BFEA4A05E2BD8F3468F645150634BA63E532EB1F88D668DB17327C58C40FE6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery

Malware Config

Signatures

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

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	656	wmplayer.exe
Token: SeCreatePagefilePrivilege	656	wmplayer.exe
Token: SeShutdownPrivilege	3580	unregmp2.exe
Token: SeCreatePagefilePrivilege	3580	unregmp2.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
656	wmplayer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 720	656	wmplayer.exe	84
PID 720 wrote to memory of 3580	720	unregmp2.exe	85

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\123.mp4"
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:720
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3580

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:1856

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 64KB
SHA256 f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8
MD5 987a07b978cfe12e4ce45e513ef86619
SHA1 22eec9a9b2e83ad33bedc59e3205f86590b7d40c
SHA512 39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa
SSDEEP 3:Akallkltlsl7pl+e/lls4XplsMlOI1Xlldl0lcNklltlwzl4hR/mll:AN+1E3+e9XplskOI10cAe
TLSH
T1FD539204E3609562C8048377A4EA0B47B331F0690A1AEB1B602A64381C422DA2CA0180
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 3a6743f8f2f19876f264e5e968d93de1fda980d1aa2d279e52f7717320619039
MD5 32d71d84cd0a0692793aa2c593b5fc1f
SHA1 5b1b80eeb32967f9c54204eab71f1bb935179cc5
SHA512 8f1dc2fad65ed929093e196e4a6e9660c9c4b60122ae671fc566d6d9faf37ac05068a332e33fa86335b7219248b7f985dcc647d4d382602e3859b087579cbb2a
SSDEEP 768:x0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr8fEwPRzitFrzAqUmNKX08oJImdbaS:XZP2tFP3vqY8QqEMuTaBacg
TLSH
T120257437D190B0C5CE2CB171E9ED8F09BA23B10B11A052465FF8957A7A633D99D0B1EB
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 fb83d7c73f9f99e19bc5750801a284a2ef76c3333011c4199ca562880a11eaa0
MD5 8b8ca9293642c1e915565f46fa3f26f6
SHA1 6bb0f8a3d3915e0754adb8f0525460b41abe1507
SHA512 9b73647f9db1d4bee8936e436ad309c95ff4050dbbf7dd7783d1a6b20133cc6390eede456d62c8f1a44a9bbd859618f1740091a854858841ba5b0894f84944ea
SSDEEP 96:G4ltlNXt2UMUstU7XtNUMbst6UMlst/OXtcL2tNLXtnteAt+tu:GLnqnfnS
TLSH
T19663E31822E5564AF3F72EB56BFA66171E3A39915E39D20C0620824F0C75F1DED30B36
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 1705bb9f78de8e703b19a42fb164362b2e495144c6d2108f7acdfb6bd10de9b3
MD5 4854e4c048923d8ef85395122730782a
SHA1 a83570fc22719b10628a77f1de1caf8c4ed31f55
SHA512 0e7f1c7a44eb2813721c8093b420c569d05f7566fca9622823e4ccd67f32c4fa0cd555c748616d1430d23c1131769627d6775cd47a37290876696191cdcedfad
TLSH
T177216B6B1B8DE47089E01BA72DEC8E25737BC7CA93A1D065B34DA0394C0312D5B3D16D
MD5 SHA1 SHA512 TLSH

Submit Download

memory/656-37-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-36-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-39-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-38-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-35-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-40-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-41-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-34-0x000000000A160000-0x000000000A170000-memory.dmp

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memory/656-33-0x00000000051D0000-0x00000000051E0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads