5d7b9acfc29f1eebdc0a3096c49d3a4e17a3842e0970f8e9e2e9f9ab81f12f96

Analysis

max time kernel
140s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 12:51

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General

Target

savior by Novulent Official Visualizer.mp3
Size

3.6MB
MD5

4a8f0d645687ea332bf50cf6ff5b227d
SHA1

960172b73b3422b16f44ed6fe555312f316188c6
SHA256

5d7b9acfc29f1eebdc0a3096c49d3a4e17a3842e0970f8e9e2e9f9ab81f12f96
SHA512

9a072ee68c56b305ee283f04d0b3415aa103e5c652d68b4521f908692b1fd65ad2f76f1b12d09f62782711c141dcd6a5f33f775e00574de8c8382f1eef3413a4
SSDEEP

98304:OqoPPfUTaPdgPA4ELz7bvkFii72Iz+lVaoPWP+4i:/oP3IaPePAzLz7gF6ePU

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
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
File opened for modification	C:\Users\Admin\Music\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)	\??\E:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\L:	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)	\??\G:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\U:	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-1-5-21-523280732-2327480845-3730041215-1000\{4BCC6F2C-34B4-4F8F-9300-F01261B5A4BE}	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	5100	wmplayer.exe
Token: SeCreatePagefilePrivilege	5100	wmplayer.exe
Token: SeShutdownPrivilege	1992	unregmp2.exe
Token: SeCreatePagefilePrivilege	1992	unregmp2.exe
Token: 33	4340	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4340	AUDIODG.EXE
Token: SeShutdownPrivilege	5100	wmplayer.exe
Token: SeCreatePagefilePrivilege	5100	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5100	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4912	5100	wmplayer.exe	84
PID 5100 wrote to memory of 4912	5100	wmplayer.exe	84
PID 5100 wrote to memory of 4912	5100	wmplayer.exe	84
PID 4912 wrote to memory of 1992	4912	unregmp2.exe	85
PID 4912 wrote to memory of 1992	4912	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\savior by Novulent Official Visualizer.mp3"
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:5100
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1992

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:1360

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4e0 0x40c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4340

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
29bd18035ac3468ed8ee41ba90d66f22

SHA1
36e76825c5aff3f599ec16a85b14ee487595a69d

SHA256
eca587e1d30a5a9c65a7f3d69272ebc2890a0ec954d1ee4ad7d5ac45bd95ddc8

SHA512
b1b8a231de045c227d430c9edd5996b882153fd848fc319ba2dfbfc7aa309bce8a3551889f735f6de6d6fdfc09a1ffad4dcb4fd7ff2d4017eeb2c97f7a83f7d0

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

Filesize
1024KB

MD5
881052206a978cfbe16d432c7fc69c4f

SHA1
1ab9cace1fdecbb8491fc3df01305dae1084b030

SHA256
307dfe07b4f87a3d397b7debab6a73f96ec24914abd6391bb5472035229007ac

SHA512
8852969050fe24bce005d859f8a2304597705624d169af1041f8f4160bb7f19cd156faaccc8334edd6c4cf5cc7ef6dbf26f73a9d5c3a91e04d23d74d25535ad9

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

Filesize
68KB

MD5
528beeff3e065d4e3a4e0dfe9e65e2ce

SHA1
2e49b2bc832a535e58b856ee301e1d2c9cff087a

SHA256
4ffd84133fd3d969f27a716c0dab53f0bdffd6a47fc2b1d37ae65bac6be01a1c

SHA512
8185272207f1ac742e17050056d3f1f0ccbaa556c8ac856880c57612a163694b50b4076c500aa6de8b16ca6d1be8c559a6755e99a551f13c7b814e640487f90b

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

Filesize
498B

MD5
90be2701c8112bebc6bd58a7de19846e

SHA1
a95be407036982392e2e684fb9ff6602ecad6f1e

SHA256
644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf

SHA512
d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe

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

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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

Filesize
1KB

MD5
f8bac83707f5fe04ecb57734b945345c

SHA1
e99020294755e3a613d8b15cdff2996e7843d288

SHA256
26ffdfcc1f4313e3ada54f17387c4ccd599c4b0302fd425738f50ce0d2ea18e0

SHA512
84b6d82c6b8648e030606a2cd901542e07a77d89ca917127da5e934f4f78ab689a6b5c1fcfed725651366590412c116e89a32aa9561cd72cc043ef33eda9d6ce

Download Submit
memory/5100-33-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/5100-32-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/5100-36-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/5100-35-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/5100-31-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/5100-34-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/5100-51-0x0000000005340000-0x0000000005350000-memory.dmp

Filesize
64KB

Download