cb09866e55ddab4bcb26fe3549d40670f70b234f8a8780cd31f70953b0cc5399

Analysis

max time kernel
147s
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
23-08-2024 19:20

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General

Target

public.m4v
Size

54.1MB
MD5

73d120be42acb242f7af4e2fbce17f1b
SHA1

4867b70a24dfbc9f8d4b169b69b8bedb61b2707b
SHA256

cb09866e55ddab4bcb26fe3549d40670f70b234f8a8780cd31f70953b0cc5399
SHA512

73bbd65edf26880cd7a6e9b9d505acf9b2840d5ccde5db0c7c1e2e0810bdd0ca529be5c265d60037a4fcc788de4f768bf49b95f3965461b647b07a3aead911c5
SSDEEP

1572864:BEn3uSwpbjk2Lc9h6rRlfj6UbSRN6N6pYGnTSNxrbc:mn31wvAKlZj6VNc6pYGR

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3944	3460	WerFault.exe	83

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	unregmp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.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-1-5-21-786284298-625481688-3210388970-1000\{37FE3DD4-EF27-4116-9CD3-F96F7E9695CF}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3260	unregmp2.exe
Token: SeCreatePagefilePrivilege	3260	unregmp2.exe
Token: SeShutdownPrivilege	3460	wmplayer.exe
Token: SeCreatePagefilePrivilege	3460	wmplayer.exe
Token: 33	1340	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1340	AUDIODG.EXE
Token: SeShutdownPrivilege	3460	wmplayer.exe
Token: SeCreatePagefilePrivilege	3460	wmplayer.exe
Token: SeShutdownPrivilege	3460	wmplayer.exe
Token: SeCreatePagefilePrivilege	3460	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3460	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 5032	3460	wmplayer.exe	84
PID 3460 wrote to memory of 5032	3460	wmplayer.exe	84
PID 3460 wrote to memory of 5032	3460	wmplayer.exe	84
PID 5032 wrote to memory of 3260	5032	unregmp2.exe	85
PID 5032 wrote to memory of 3260	5032	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\public.m4v"
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:3460
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 2348
  2⤵
  - Program crash
  PID:3944

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:8

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x45c 0x38c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3460 -ip 3460
1⤵
PID:2180

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
d44d67160257a4cc1270b68df34eb0a7

SHA1
57cca517373b9aaf9874e8b0c48beced7e9a89c0

SHA256
fc9684d381a26a225684d91823d284cd9c1fd6856f123f4c660d1f64a5e2eb43

SHA512
aa698453178702fdef1f9ee71f43c3096129b2bdf3341ffbece5c3d9c58ad7c4e917fc235b42cc19cf5a335279db55fe10454130a4e3717c37d61ae782b70176

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

Filesize
68KB

MD5
39c14b1d554328291879c0f7c703520b

SHA1
e76650b4951cb7170c092bded0c57c41f87d3abd

SHA256
ddf23d3ca62c3cc7977536ea5d30712e9384953d1b2a5fb3a70e12f605e55ef5

SHA512
fb6fd1996a69c4c5513c615abe0b8ccf694e7d8ed9ded1d7b7e949fc20fe3d7c68d7b1de0e839d87390b452d04983387c3d20206ae83d1176f8e6502f3c32e38

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
5433eab10c6b5c6d55b7cbd302426a39

SHA1
c5b1604b3350dab290d081eecd5389a895c58de5

SHA256
23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131

SHA512
207b40d6bec65ab147f963a5f42263ae5bf39857987b439a4fa1647bf9b40e99cdc43ff68b7e2463aa9a948284126ac3c9c7af8350c91134b36d8b1a9c61fd34

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
01136f9aa2fbbc965734fb1c082322d4

SHA1
d08e056f87f472d8919fb6776d3b698a3e29b1ae

SHA256
e9647dbea2cff13014c344c5ba2a812f44ab2b04e39a7368f630374a32b4ced3

SHA512
f55a6d8f946b290eaa0310848bb158005584b9344be1d680e519ae5ae09b87a346d896b09cfd1e121e747f8b81454bfa67feffd63c5f61cf78b14b2d13afcf7b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms

Filesize
1KB

MD5
0f0a68cca4abae516477495281f66987

SHA1
d6f48747dcffbd662452dbf5d517c5bd2dfc60de

SHA256
e9e9cf5baf4efc6562c27adc224071827f216fb8b4a1efdaaba00c43b9ab96e9

SHA512
ffc502421679ca507e7a97c19a74f7e992d5c5f94ce44fa1606de5bc14bcd5b44b00311437f4ce7c43f85742276cb59d8e3cfa4418031a2c3b3653f357c22836

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms

Filesize
3KB

MD5
2fab99c027c4f7670c43e2c1108d7c01

SHA1
2972522c92e7017536bf905e2089f5ed70ed7779

SHA256
ba3433ffec61801aeb8107b1745b4d5cc64270556683c81c5f8f7e4913af604e

SHA512
03e794f7185ba20e4dc4af839aa7d64025391358f0dd81e21587fea90d0f58cb2344d99c497c714c0398b46170771d4beabd5a2962c0c18fdd217cf01d487e80

Download Submit
memory/3460-35-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-44-0x0000000007A60000-0x0000000007A70000-memory.dmp

Filesize
64KB

Download
memory/3460-38-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-37-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-36-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-34-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-40-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-41-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-43-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-39-0x0000000007CB0000-0x0000000007CC0000-memory.dmp

Filesize
64KB

Download
memory/3460-42-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-45-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-46-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-33-0x0000000007A60000-0x0000000007A70000-memory.dmp

Filesize
64KB

Download
memory/3460-29-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-31-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-32-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-72-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3460-30-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download