3c133f67bed07aa7eed0c030a130dcf7c72a24848e7ebc9a4e00102ad2f99cde

Analysis

max time kernel
148s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
12-10-2024 17:56

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General

Target

data/rclick.wav
Size

68KB
MD5

302e0e3b92e3443f60bdbad8d59efed3
SHA1

cf317e9f9d6973efe590525525994ea6bc87563a
SHA256

81cad36978281837c3ba3abc26d782fe51591ea923bf31fbf3130ff86cd5f752
SHA512

5a0a5f11f1726a09dec53933a032e28506539a99c55e34aac6d93ace1c8f19c7566268ce4e8483f54ba99287305455ec1ddbcf56ae53a5a3f5140f834f637e13
SSDEEP

384:q7hENDwWwlwsQ11S/iRLvXccDVmvYFziHJHfnrgFGA5Ukzrn99MX/fHEos5:00Pz5HzHlQvroGAqM99+12

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
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
File opened for modification	C:\Users\Admin\Videos\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Public\Videos\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)	\??\O:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\R:	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)	\??\H:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\J:	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-1-5-21-1537126222-899333903-2037027349-1000\{530FC2B7-C95B-4EB9-A8A8-FDC4F7CA38A8}	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 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3712	wmplayer.exe
Token: SeCreatePagefilePrivilege	3712	wmplayer.exe
Token: SeShutdownPrivilege	4392	unregmp2.exe
Token: SeCreatePagefilePrivilege	4392	unregmp2.exe
Token: 33	1992	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1992	AUDIODG.EXE
Token: SeShutdownPrivilege	3712	wmplayer.exe
Token: SeCreatePagefilePrivilege	3712	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3712	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 4476	3712	wmplayer.exe	77
PID 3712 wrote to memory of 4476	3712	wmplayer.exe	77
PID 3712 wrote to memory of 4476	3712	wmplayer.exe	77
PID 4476 wrote to memory of 4392	4476	unregmp2.exe	78
PID 4476 wrote to memory of 4392	4476	unregmp2.exe	78

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Open "C:\Users\Admin\AppData\Local\Temp\data\rclick.wav"
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:3712
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4392

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:3404

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004D0 0x00000000000004B8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1992

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
256KB

MD5
68392c7031e89640fbbc668da8b91177

SHA1
5720873e12e15dd10ab09003cb9fdc7e800aab46

SHA256
5f7af12b6da3f9fd3019a681a873bad0ee4c0db1723e1f006c99294f62814d45

SHA512
2af55c621f9cafcefb24681c67acf308eaadf6f3f43fe96b166372881725360e4bc83da49fd1ebf496cd4a057c7c1d3d8fb9f11afca8134306c33ab0d9890512

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
1024KB

MD5
0e86d2d4c7be79d4dfb95916e1ae0780

SHA1
4bb9a40e49bd5960cbd03f7e3ab1df4b73869ebd

SHA256
6f5b703f3c3fea94576c8e70b80ac60e3b63353617dde93cc4fbae008020431e

SHA512
dc057fdcbec4ca52b375c76a577d95191c9452fca32745aedf8191211a943db29d7a2b75d63c84e8fa43ced9953a04df6615cd3e122038c36b9e49125fcbb387

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Media Player\LocalMLS_3.wmdb

Filesize
68KB

MD5
58c18af18603f66bc905986da570c705

SHA1
720347cc3dd1b4c5e66b96c368e426b1af06293d

SHA256
cdbc9fb6c61223381c0d791fb6bd25a3f323ff75a6f4756e524b099a63c483f8

SHA512
5ef97c101a6893166f8e95c03ccbf6ec1eb8956b1492192c3604c150b5693b09c08b73a1c10ef173d12f1cbd54ac9b15a34d27acbd68d8c13e0a7b46f68d7f18

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
d0ab041f7409db29eb3908155a84f80b

SHA1
6943fb39dd903f306b83738857ac069d680bed54

SHA256
7130a7c2b142a13cd541fe356cfd8cc47b2c8bebb035221f5f4438b4186c9c7d

SHA512
37f60af2f5c57520e5804c57fa121f55d31b6b6bbc2626c30eb4271bd7b2267ce4bae65d6fe0c4e488e38aad610b9a80b62775d4e8b0325f419477978ea85971

Download Submit
memory/3712-32-0x00000000063C0000-0x00000000063D0000-memory.dmp

Filesize
64KB

Download
memory/3712-30-0x00000000063C0000-0x00000000063D0000-memory.dmp

Filesize
64KB

Download
memory/3712-29-0x00000000063C0000-0x00000000063D0000-memory.dmp

Filesize
64KB

Download
memory/3712-31-0x00000000063C0000-0x00000000063D0000-memory.dmp

Filesize
64KB

Download
memory/3712-33-0x00000000063C0000-0x00000000063D0000-memory.dmp

Filesize
64KB

Download
memory/3712-34-0x00000000063C0000-0x00000000063D0000-memory.dmp

Filesize
64KB

Download
memory/3712-51-0x0000000006450000-0x0000000006460000-memory.dmp

Filesize
64KB

Download
memory/3712-52-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-53-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-54-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-55-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-56-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-57-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-58-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-59-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-62-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-61-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-60-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-63-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-65-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-66-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-64-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-68-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-67-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-69-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-70-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-71-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-72-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-73-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-75-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-76-0x0000000006450000-0x0000000006460000-memory.dmp

Filesize
64KB

Download
memory/3712-74-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-77-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-78-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-79-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-80-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-82-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-81-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-83-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-84-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-87-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-86-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-85-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-88-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-89-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-90-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-93-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-92-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-91-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-94-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-95-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-97-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-96-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-101-0x0000000006450000-0x0000000006460000-memory.dmp

Filesize
64KB

Download
memory/3712-100-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-99-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-102-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-98-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-104-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-103-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-105-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-107-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download
memory/3712-108-0x00000000064B0000-0x00000000064C0000-memory.dmp

Filesize
64KB

Download
memory/3712-106-0x00000000064C0000-0x00000000064D0000-memory.dmp

Filesize
64KB

Download