Overview
overview
3Static
static
3Microsoft....4.appx
windows7-x64
Microsoft....4.appx
windows10-2004-x64
arm64/HEVC...RE.dll
windows7-x64
1arm64/HEVC...RE.dll
windows10-2004-x64
1arm64/mfH265Enc.dll
windows7-x64
1arm64/mfH265Enc.dll
windows10-2004-x64
1x64/HEVCDE...RE.dll
windows10-2004-x64
1x64/mfH265Enc.dll
windows10-2004-x64
1x86/HEVCDE...RE.dll
windows10-2004-x64
3x86/mfH265Enc.dll
windows10-2004-x64
3Microsoft....4.appx
windows7-x64
Microsoft....4.appx
windows10-2004-x64
1x64/HEVCDE...RE.dll
windows10-2004-x64
1x64/mfH265Enc.dll
windows10-2004-x64
1x86/HEVCDE...RE.dll
windows10-2004-x64
3x86/mfH265Enc.dll
windows10-2004-x64
3Microsoft....6.appx
windows7-x64
Microsoft....6.appx
windows10-2004-x64
1x86/HEVCDE...RE.dll
windows10-2004-x64
3x86/mfH265Enc.dll
windows10-2004-x64
3Analysis
-
max time kernel
91s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 18:27
Static task
static1
Behavioral task
behavioral1
Sample
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.arm64.appx
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.arm64.appx
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
arm64/HEVCDECODER_STORE.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
arm64/HEVCDECODER_STORE.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
arm64/mfH265Enc.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
arm64/mfH265Enc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
x64/HEVCDECODER_STORE.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral8
Sample
x64/mfH265Enc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
x86/HEVCDECODER_STORE.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral10
Sample
x86/mfH265Enc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x64.appx
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x64.appx
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
x64/HEVCDECODER_STORE.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral14
Sample
x64/mfH265Enc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
x86/HEVCDECODER_STORE.dll
Resource
win10v2004-20240910-en
Behavioral task
behavioral16
Sample
x86/mfH265Enc.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x86.appx
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x86.appx
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
x86/HEVCDECODER_STORE.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral20
Sample
x86/mfH265Enc.dll
Resource
win10v2004-20240802-en
General
-
Target
Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x86.appx
-
Size
1.3MB
-
MD5
d0f176b2f9dc4edb978ea2513259e64e
-
SHA1
9889f68d565788cca7c26706262afbb22c716062
-
SHA256
5645773f3c485c4b7fffa7b29eb827fb6c71e1a9cbdcf770cd9f70e4c504095b
-
SHA512
cd440ea786ca9a9ee31f9065562e68783aa14ad40510c0da8dccf622e374a3cc5080bc24af2d332f996d9ddc2af7fb751d90c28236953a156b9bc276e59392e6
-
SSDEEP
24576:obKkO6Ki1mLK9IR/+x45JvBUVx17GtvFhxEGTPw7z94KMOxz:5kEjKo/+6XKji9nxiXKe1
Malware Config
Signatures
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000_Classes\Local Settings powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2584 powershell.exe 2584 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2584 powershell.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell start shell:AppsFolder\Microsoft.HEVCVideoExtension_8wekyb3d8bbwe!App1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2584
-
C:\Windows\system32\Clipup.exe"C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe1⤵PID:688
-
C:\Windows\system32\Clipup.exe"C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe -ppl C:\Windows\TEMP\temD84F.tmp2⤵PID:1948
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
32B
MD53a696dbd1a68a556870c204865719787
SHA1161f8934ed3fc5133b1d3b93c44ee2b8a482725a
SHA256d049946b7e31069d77406134dfcad4cdab5247777b1a560c7719b47f56dcc194
SHA512ffabbfc291f644f9b17df375bf4a1635b584ffcea9f544168e1c5b40ad637d29b86e1e8d6c57075eead2a1e0542508cca43204d3b795d5c290ffa7cbff18e529