062f2c08c156b9ae3228ebfdd2f92e8215a31e3a8d8450a6fee53a5b1083cc0f

Analysis

max time kernel
137s
max time network
149s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
06/11/2023, 01:26

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General

Target

7274110982086036741.mov
Size

854KB
MD5

3e65f133032a11347c7fe3ad829e5696
SHA1

37729f8dbb3c85c5a59210e556ae8502aef3675b
SHA256

062f2c08c156b9ae3228ebfdd2f92e8215a31e3a8d8450a6fee53a5b1083cc0f
SHA512

07bcba0b62a6bd593d9bba8c7b74c591a7f3a2afb62dccbbceb8b12b171be3e9698890b280a8c3156c08f9ca26bed09e72604e85ae11d1a1083ff8cd323117ee
SSDEEP

24576:geqcpgKIa4GlrPx2cYwXyWqk4Gw24jETCjnP665Xd:vqygKIa4GNcDpk4GN2P665Xd

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
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
File opened for modification	C:\Users\Public\Music\desktop.ini	wmplayer.exe
File opened for modification	C:\Users\Admin\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)	\??\H:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\S:	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)	\??\N:	wmplayer.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\R:	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

Modifies registry class 2 IoCs

description	ioc	Process
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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
660	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3796	unregmp2.exe
Token: SeCreatePagefilePrivilege	3796	unregmp2.exe
Token: SeShutdownPrivilege	660	wmplayer.exe
Token: SeCreatePagefilePrivilege	660	wmplayer.exe
Token: 33	4628	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4628	AUDIODG.EXE
Token: SeShutdownPrivilege	660	wmplayer.exe
Token: SeCreatePagefilePrivilege	660	wmplayer.exe
Token: SeShutdownPrivilege	660	wmplayer.exe
Token: SeCreatePagefilePrivilege	660	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
660	wmplayer.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2536	1276	wmplayer.exe	71
PID 1276 wrote to memory of 2536	1276	wmplayer.exe	71
PID 1276 wrote to memory of 2536	1276	wmplayer.exe	71
PID 1276 wrote to memory of 4288	1276	wmplayer.exe	72
PID 1276 wrote to memory of 4288	1276	wmplayer.exe	72
PID 1276 wrote to memory of 4288	1276	wmplayer.exe	72
PID 4288 wrote to memory of 3796	4288	unregmp2.exe	73
PID 4288 wrote to memory of 3796	4288	unregmp2.exe	73
PID 2536 wrote to memory of 660	2536	setup_wm.exe	74
PID 2536 wrote to memory of 660	2536	setup_wm.exe	74
PID 2536 wrote to memory of 660	2536	setup_wm.exe	74

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\7274110982086036741.mov"
1⤵
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Program Files (x86)\Windows Media Player\setup_wm.exe
  "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\7274110982086036741.mov"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Relaunch /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\7274110982086036741.mov"
    3⤵
    - Drops desktop.ini file(s)
    - Enumerates connected drives
    - Modifies registry class
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:660
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4288
- - C:\Windows\System32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3796

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s upnphost
1⤵
- Drops file in Windows directory
PID:3900

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3cc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4628

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

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
98df921f667bf303621c789390ed9f2e

SHA1
d9c82e51534cf1c2eb5a255286de6a09ca364d1a

SHA256
8b8497d37fa9ddd44e275aa7631d7c7173c384a501d11e73e3d4401513c4bbe3

SHA512
58e896295763c2729c5a19986356e7cc7706265bbda5cd9cec98201ec9ce86c4b68a3e388c86aba198870ca4b8ab1a7876f2d8e1fff7437216dd2789b3ed3796

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

Filesize
1024KB

MD5
12eb482cfb018a0661c593234757d970

SHA1
e9ee49b15f5ac8ee5b55d838e8d37bf85635840c

SHA256
3bb1f989bdf1894d3a0aeb61ae436ca9240e6b417ec803cbfba61f2e1475ed29

SHA512
ecc488ec96e520f0ee14a0059e2b1e1aff8d4db86799bfac5f67c1a9f10bfee7128d3db306d09c1d421a0d600ca0b4fadd0ca8e7991c696910e2ac405c79253c

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

Filesize
68KB

MD5
0d7521a07406fcb9130dcaca4c55b64d

SHA1
a358a3bc33d2faaf6abd7386f898731d9b0083e0

SHA256
4f07eeed7c774ff081e149f49b6d1e6be0bfda7abfd586359932e30d9f0a6621

SHA512
519dc0550ae28fbfcf7ef91a2b7a3811145dca6ddc4183f8c219c8b69fd90210098ce5ebee52072d9b4d23e2befb84ca5916cb1cfc51ffaa5496a25227168d74

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
e566fcb504dac06ea642f7179fe340b2

SHA1
7ec44285e9da7524b2a052cba54d288f1b5005e2

SHA256
a198225c22d1e516cf8c0670f5a8acdea407e6b35721c36c5fbd0edde75fbece

SHA512
0da7939779a245a4febb6ce812f6b16971671c72450c05d7b6487fd867b97c36c0817fbb313ccdc275d8064ec459e626ef49b61de4a6c061de39267153bd30b7

Download Submit
memory/660-50-0x000000000A1A0000-0x000000000A1B0000-memory.dmp

Filesize
64KB

Download
memory/660-54-0x000000000A220000-0x000000000A230000-memory.dmp

Filesize
64KB

Download
memory/660-44-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-48-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-49-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-42-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-51-0x000000000A1A0000-0x000000000A1B0000-memory.dmp

Filesize
64KB

Download
memory/660-52-0x000000000A220000-0x000000000A230000-memory.dmp

Filesize
64KB

Download
memory/660-53-0x000000000A220000-0x000000000A230000-memory.dmp

Filesize
64KB

Download
memory/660-43-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-55-0x000000000A220000-0x000000000A230000-memory.dmp

Filesize
64KB

Download
memory/660-56-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-58-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-59-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-62-0x000000000A220000-0x000000000A230000-memory.dmp

Filesize
64KB

Download
memory/660-63-0x000000000A220000-0x000000000A230000-memory.dmp

Filesize
64KB

Download
memory/660-41-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download
memory/660-40-0x0000000007310000-0x0000000007320000-memory.dmp

Filesize
64KB

Download