895a6ce7d66afb48d0347e8597c191d19514ed8f6c698555c8e0994a44c847a5

Analysis

max time kernel
136s
max time network
153s
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

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General

Target

Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x64.appx
Size

2.4MB
MD5

514622397511a4e436a3a2a1cf11976a
SHA1

3fe319420619cca179915c90fb284db340cb30c0
SHA256

6513eb4130f3538f4ba95426fcb397cae1bdf75ca584a8e109a67b28d8cb34e1
SHA512

9649e17a7591964df00f5edaac2582170cb6bcb03a3676f4a82a82a80f1b0946c61a7e1ffb23e1b0bac10b75c236fb77c589d8ea9f982c33d6b00f901d62e732
SSDEEP

49152:MTB1hYiEuZJ2/4FPgHRMuZtjKo/+6XKEt7nxiXKIA:MTXhSuP2/4xgxMuZtjKw+oUXvA

Score

1^/10

Malware Config

Signatures

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1720	powershell.exe
1720	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	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.
persistence

Query Registry
T1012

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell start shell:AppsFolder\Microsoft.HEVCVideoExtension_8wekyb3d8bbwe!App
1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\system32\Clipup.exe
"C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe
1⤵
PID:4004
- C:\Windows\system32\Clipup.exe
  "C:\Windows\system32\Clipup.exe" -p -pfm Microsoft.HEVCVideoExtension_8wekyb3d8bbwe -ppl C:\Windows\TEMP\tem9E63.tmp
  2⤵
  PID:3736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iiibbhyn.zpb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\TEMP\tem9E63.tmp

Filesize
32B

MD5
3a696dbd1a68a556870c204865719787

SHA1
161f8934ed3fc5133b1d3b93c44ee2b8a482725a

SHA256
d049946b7e31069d77406134dfcad4cdab5247777b1a560c7719b47f56dcc194

SHA512
ffabbfc291f644f9b17df375bf4a1635b584ffcea9f544168e1c5b40ad637d29b86e1e8d6c57075eead2a1e0542508cca43204d3b795d5c290ffa7cbff18e529

Download Submit
memory/1720-0-0x00007FFACED13000-0x00007FFACED15000-memory.dmp

Filesize
8KB

Download
memory/1720-10-0x000001BCB1A40000-0x000001BCB1A62000-memory.dmp

Filesize
136KB

Download
memory/1720-11-0x00007FFACED10000-0x00007FFACF7D1000-memory.dmp

Filesize
10.8MB

Download
memory/1720-12-0x00007FFACED10000-0x00007FFACF7D1000-memory.dmp

Filesize
10.8MB

Download
memory/1720-14-0x00007FFACED10000-0x00007FFACF7D1000-memory.dmp

Filesize
10.8MB

Download
memory/3736-22-0x000001DF12B60000-0x000001DF12B70000-memory.dmp

Filesize
64KB

Download
memory/3736-19-0x000001DF12B60000-0x000001DF12B70000-memory.dmp

Filesize
64KB

Download
memory/3736-20-0x000001DF12B60000-0x000001DF12B70000-memory.dmp

Filesize
64KB

Download
memory/3736-18-0x000001DF12B60000-0x000001DF12B70000-memory.dmp

Filesize
64KB

Download
memory/3736-23-0x000001DF12B60000-0x000001DF12B70000-memory.dmp

Filesize
64KB

Download
memory/4004-15-0x0000021957930000-0x0000021957940000-memory.dmp

Filesize
64KB

Download
memory/4004-16-0x0000021957930000-0x0000021957940000-memory.dmp

Filesize
64KB

Download
memory/4004-26-0x0000021957930000-0x0000021957940000-memory.dmp

Filesize
64KB

Download
memory/4004-25-0x0000021957930000-0x0000021957940000-memory.dmp

Filesize
64KB

Download
memory/4004-17-0x0000021957930000-0x0000021957940000-memory.dmp

Filesize
64KB

Download