189e239dd3bb743ae36d8459e18451c9fd059bbe486f7ae2e7c6542832981746

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 02:38

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General

Target

VID_20240907_204109.mp4
Size

21.5MB
MD5

e7263672c6ccfb516435def16cd06abd
SHA1

3fe1238d0c16328160d5601aae0e555c3939ddad
SHA256

189e239dd3bb743ae36d8459e18451c9fd059bbe486f7ae2e7c6542832981746
SHA512

b46a2ba658c76eac0698f8219c9ee1e67bd7d4af206779c5e00a4efd3bcd319e269cc39dbfaa8c8cc8731baf6f58f980c5a16b9afcf6122bf89411c84288c5ce
SSDEEP

393216:cPv1bNo+ahTTI5CSqVpYjIBAEWIb5oGuIYlOGyZE/Ow3EAzzGJ2n35QZHT:clbNxClEXE5oXtlBcE2wUM7n356z

Score

6^/10

discovery

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
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
File opened for modification	C:\Users\Public\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)	\??\H:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.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)	\??\O:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\U:	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)	\??\B:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\W:	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-wmplayer\CLSID = "{cd3afa96-b84f-48f0-9393-7edc34128127}"	wmplayer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1302416131-1437503476-2806442725-1000\{003AC35A-5CB6-4184-A251-02E58AF9B46D}	wmplayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-wmplayer	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4148	wmplayer.exe
Token: SeCreatePagefilePrivilege	4148	wmplayer.exe
Token: SeShutdownPrivilege	4284	unregmp2.exe
Token: SeCreatePagefilePrivilege	4284	unregmp2.exe
Token: 33	4604	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4604	AUDIODG.EXE
Token: SeShutdownPrivilege	4148	wmplayer.exe
Token: SeCreatePagefilePrivilege	4148	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4148	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 2556	4148	wmplayer.exe	83
PID 4148 wrote to memory of 2556	4148	wmplayer.exe	83
PID 4148 wrote to memory of 2556	4148	wmplayer.exe	83
PID 2556 wrote to memory of 4284	2556	unregmp2.exe	84
PID 2556 wrote to memory of 4284	2556	unregmp2.exe	84

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\VID_20240907_204109.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:4148
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:4960

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x500 0x4f4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4604

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
64KB

MD5
987a07b978cfe12e4ce45e513ef86619

SHA1
22eec9a9b2e83ad33bedc59e3205f86590b7d40c

SHA256
f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8

SHA512
39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa

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

Filesize
1024KB

MD5
4a52984c0a49dc430d6991f84307a5e1

SHA1
8139e45bf4364fea4fd13b40133521256cab2160

SHA256
5011918212c797198bef0f6850eda315778eedb42c4fd00acc0afbddf8485cfd

SHA512
c78ffa57b9e50eb0dc804ac665bf518abe6d4e6e520cf02656c0ecf3a513be1374b865b58d04082ba45a903dba13f25f64db3459e374aa338280dffdd629c87e

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

Filesize
68KB

MD5
6f6c9ceeeebf883a78c0f28995047ada

SHA1
97677a7717f02e7c8cfcd9e29fb359749d6c7dd7

SHA256
1a2ee0c4b5f14f1e8e3634943a0094b537ad5192a16b749b5209be683d73a42c

SHA512
38cf0dd0ffc00fc9697e950947ea733c9ce85d93ef3a5ee4d38f7baa9eba369658ff13fd415128e38c8219a9d385988dd881308e48705817ec77870abd810546

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
c5667a9ef39062fa834129e0cc41b0ea

SHA1
57d36d5ce8ca511797c64cc6cd7419c3b81ebb29

SHA256
ee16f327ccc03ce68d04662c07b1dabe6a5efdc3aec93fe8427f64d480cb145d

SHA512
d799053df58fd6bf149860934cf42e756f4130fee828152d9b8d7c6d632a089459ccb53ea3bc6ecf33265698cf07cc005d6440057b5b544b2b1d1be1ad97ad58

Download Submit
memory/4148-37-0x0000000007CD0000-0x0000000007CE0000-memory.dmp

Filesize
64KB

Download
memory/4148-34-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/4148-36-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/4148-38-0x000000000A050000-0x000000000A060000-memory.dmp

Filesize
64KB

Download
memory/4148-39-0x000000000A050000-0x000000000A060000-memory.dmp

Filesize
64KB

Download
memory/4148-41-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/4148-40-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/4148-42-0x000000000A050000-0x000000000A060000-memory.dmp

Filesize
64KB

Download
memory/4148-33-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/4148-35-0x0000000007480000-0x0000000007490000-memory.dmp

Filesize
64KB

Download
memory/4148-57-0x0000000007EF0000-0x0000000007F00000-memory.dmp

Filesize
64KB

Download