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Overview

overview

3

Static

static

3

TCUI-App_1...M.appx

windows10-2004-x64

TCUI-App_1...M.appx

windows11-21h2-x64

TCUI-App.dll

windows10-2004-x64

1

TCUI-App.dll

windows11-21h2-x64

1

TCUI-App.exe

windows10-2004-x64

TCUI-App.exe

windows11-21h2-x64

clrcompression.dll

windows10-2004-x64

1

clrcompression.dll

windows11-21h2-x64

1

winsdkfb.dll

windows10-2004-x64

1

winsdkfb.dll

windows11-21h2-x64

1

winsdkfb.dll

windows10-2004-x64

1

winsdkfb.dll

windows11-21h2-x64

1

TCUI-App_1...f.appx

windows10-2004-x64

TCUI-App_1...f.appx

windows11-21h2-x64

TCUI-App_1...m.appx

windows10-2004-x64

TCUI-App_1...m.appx

windows11-21h2-x64

TCUI-App_1...r.appx

windows10-2004-x64

TCUI-App_1...r.appx

windows11-21h2-x64

TCUI-App_1...s.appx

windows10-2004-x64

TCUI-App_1...s.appx

windows11-21h2-x64

TCUI-App_1...n.appx

windows10-2004-x64

TCUI-App_1...n.appx

windows11-21h2-x64

TCUI-App_1...e.appx

windows10-2004-x64

TCUI-App_1...e.appx

windows11-21h2-x64

TCUI-App_1...g.appx

windows10-2004-x64

TCUI-App_1...g.appx

windows11-21h2-x64

TCUI-App_1...n.appx

windows10-2004-x64

TCUI-App_1...n.appx

windows11-21h2-x64

TCUI-App_1...s.appx

windows10-2004-x64

TCUI-App_1...s.appx

windows11-21h2-x64

TCUI-App_1...a.appx

windows10-2004-x64

TCUI-App_1...a.appx

windows11-21h2-x64

Analysis

max time kernel
149s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
11/05/2026, 12:17

Sharing

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Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

TCUI-App_1.24.10001.0_ARM.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

TCUI-App_1.24.10001.0_ARM.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral3

Sample

TCUI-App.dll

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral4

Sample

TCUI-App.dll

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral5

Sample

TCUI-App.exe

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral6

Sample

TCUI-App.exe

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral7

Sample

clrcompression.dll

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral8

Sample

clrcompression.dll

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral9

Sample

winsdkfb.dll

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral10

Sample

winsdkfb.dll

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral11

Sample

winsdkfb.dll

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral12

Sample

winsdkfb.dll

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral13

Sample

TCUI-App_1.24.10001.0_language-af.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral14

Sample

TCUI-App_1.24.10001.0_language-af.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral15

Sample

TCUI-App_1.24.10001.0_language-am.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral16

Sample

TCUI-App_1.24.10001.0_language-am.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral17

Sample

TCUI-App_1.24.10001.0_language-ar.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral18

Sample

TCUI-App_1.24.10001.0_language-ar.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral19

Sample

TCUI-App_1.24.10001.0_language-as.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral20

Sample

TCUI-App_1.24.10001.0_language-as.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral21

Sample

TCUI-App_1.24.10001.0_language-az-latn.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral22

Sample

TCUI-App_1.24.10001.0_language-az-latn.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral23

Sample

TCUI-App_1.24.10001.0_language-be.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral24

Sample

TCUI-App_1.24.10001.0_language-be.appx

Resource

win11-20250619-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral25

Sample

TCUI-App_1.24.10001.0_language-bg.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral26

Sample

TCUI-App_1.24.10001.0_language-bg.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral27

Sample

TCUI-App_1.24.10001.0_language-bn.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral28

Sample

TCUI-App_1.24.10001.0_language-bn.appx

Resource

win11-20250619-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral29

Sample

TCUI-App_1.24.10001.0_language-bs.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral30

Sample

TCUI-App_1.24.10001.0_language-bs.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Behavioral task

behavioral31

Sample

TCUI-App_1.24.10001.0_language-ca.appx

Resource

win10v2004-20260130-en

windows10-2004-x64

0 signatures

150 seconds

Behavioral task

behavioral32

Sample

TCUI-App_1.24.10001.0_language-ca.appx

Resource

win11-20260130-en

windows11-21h2-x64

0 signatures

150 seconds

Report Analysis Logs

General

Target
clrcompression.dll
Size 57KB
Sample260511-pf4teacz5k
SHA256 b9cbae38477f0f8329d4b86f15def6f737e3c5de88204e5e5ed29e8cfcbc34c2
MD5 adf293920e441f0e6a8d2549872700ad
SHA1 512ded50443be8b6987e16f6e8fe7101dc154299
SHA512 dad922521f00224e5c5a4fbc2715f2f95adf0e2feb5edcb510697d1ace8e57d27b87f960dcfe0ef9ac773e1cfa598aa6150475c0d0d5684d76b734df92e54114
SSDEEP 1536:nIW7/+dRHcPnToIfvIOOVcZN/EpzS6Bh4:z7qR8fTBfhOVcZNoz14
TLSH
T15B43BF92CF249B13C9FA0934D9C6C95A6F36F2922BE15547200DFBC83853794AB342DD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

Processes

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\clrcompression.dll,#1
1⤵
PID:4944

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4944-0-0x00000219EF800000-0x00000219EF915000-memory.dmp

Download

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