28475d90463904e9cd2b9984fa6f19f3367f128750258d72a09852c3433cfdb0

Analysis

max time kernel
17s
max time network
14s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 17:22

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General

Target

b542e023b505159c22be1d1ce753aa73.mp4
Size

18.4MB
MD5

29bac5b08a113bcfff2dcdec461ea399
SHA1

71fa54a88f110cba2bf7d18a5db3470131a029c9
SHA256

28475d90463904e9cd2b9984fa6f19f3367f128750258d72a09852c3433cfdb0
SHA512

5acec9c0ca95d0f75e20ac8e91b561fb5fe75c05f17c2733d08eb7ba709418172d01dad88409514ea560078f403a1de479a1b3861e8b677c3a01c31152be6a20
SSDEEP

393216:yxK3WsurW+KBLBtYEztDhnrsM1enqyN1eAHLPpK1PKqbO:yxNsNL7qEp9AWORWArcCq6

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)	\??\K:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\V:	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 1 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\{469F7194-808E-48BF-9BC9-CD85AF666E9E}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1080	wmplayer.exe
Token: SeCreatePagefilePrivilege	1080	wmplayer.exe
Token: SeShutdownPrivilege	2744	unregmp2.exe
Token: SeCreatePagefilePrivilege	2744	unregmp2.exe
Token: 33	2484	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2484	AUDIODG.EXE
Token: SeShutdownPrivilege	1080	wmplayer.exe
Token: SeCreatePagefilePrivilege	1080	wmplayer.exe
Token: SeShutdownPrivilege	1080	wmplayer.exe
Token: SeCreatePagefilePrivilege	1080	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1080	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2360	1080	wmplayer.exe	84
PID 1080 wrote to memory of 2360	1080	wmplayer.exe	84
PID 1080 wrote to memory of 2360	1080	wmplayer.exe	84
PID 2360 wrote to memory of 2744	2360	unregmp2.exe	85
PID 2360 wrote to memory of 2744	2360	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\b542e023b505159c22be1d1ce753aa73.mp4"
1⤵
- 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:1080
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2744

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:2052

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x51c 0x328
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2484

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
c374c25875887db7d072033f817b6ce1

SHA1
3a6d10268f30e42f973dadf044dba7497e05cdaf

SHA256
05d47b87b577841cc40db176ea634ec49b0b97066e192e1d48d84bb977e696b6

SHA512
6a14f81a300695c09cb335c13155144e562c86bb0ddfdcab641eb3a168877ad3fcc0579ad86162622998928378ea2ffe5a244b3ddbe6c11a959dbb34af374a7d

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

Filesize
1024KB

MD5
7464fa22715a4f022dc830782877bd64

SHA1
6cae5dc8e2fe19bd2cc8bc83908b36e4f80bc91a

SHA256
80811b5a5b77cdae68cc95b2b5d30db688fa00978650e2e29c653bff306bc761

SHA512
c57fe8b5ddd9ae8e1c462514fbbc796ab5d4c017ec286e587764d0b6d616c9cc0cf7746cca34fbcdb2c94295523d614877ca657ce28e62a29b27c64096784a9f

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
a86cf780d0cfc5bb90e8b7c3919690fa

SHA1
50e4749986df153fb6c4f62541dfbe5da0075174

SHA256
b2164719e89fc104f976d6531ed202b507457e9a8d04c97b683361dc178de217

SHA512
4de1e8a62c6ba320092f5f67414697e0100e89c136fec70dbaf14143ecd4773b830db46c21c217031ffcd9e1bea9cd4b9866455e6f25c3dd721fb5528ba47f3e

Download Submit
memory/1080-36-0x0000000004670000-0x0000000004680000-memory.dmp

Filesize
64KB

Download
memory/1080-35-0x0000000004670000-0x0000000004680000-memory.dmp

Filesize
64KB

Download
memory/1080-33-0x0000000004670000-0x0000000004680000-memory.dmp

Filesize
64KB

Download
memory/1080-37-0x0000000007120000-0x0000000007130000-memory.dmp

Filesize
64KB

Download
memory/1080-38-0x0000000009270000-0x0000000009280000-memory.dmp

Filesize
64KB

Download
memory/1080-39-0x0000000009270000-0x0000000009280000-memory.dmp

Filesize
64KB

Download
memory/1080-41-0x0000000004670000-0x0000000004680000-memory.dmp

Filesize
64KB

Download
memory/1080-40-0x0000000004670000-0x0000000004680000-memory.dmp

Filesize
64KB

Download
memory/1080-42-0x0000000009270000-0x0000000009280000-memory.dmp

Filesize
64KB

Download
memory/1080-34-0x0000000004670000-0x0000000004680000-memory.dmp

Filesize
64KB

Download