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Overview

overview

Static

static

Umbral-Ste...der.js

windows10-ltsc_2021-x64

Umbral-Ste...rm.vbs

windows10-ltsc_2021-x64

Umbral-Ste...orm.js

windows10-ltsc_2021-x64

Umbral-Ste...rm.vbs

windows10-ltsc_2021-x64

Umbral-Ste...er.vbs

windows10-ltsc_2021-x64

Umbral-Ste...es.vbs

windows10-ltsc_2021-x64

Umbral-Ste...ng.dll

windows10-ltsc_2021-x64

Umbral-Ste....3.dll

windows10-ltsc_2021-x64

Umbral-Ste...on.dll

windows10-ltsc_2021-x64

Umbral-Ste...ox.dll

windows10-ltsc_2021-x64

Umbral-Ste...ss.dll

windows10-ltsc_2021-x64

Umbral-Ste...on.dll

windows10-ltsc_2021-x64

Umbral-Ste...ew.dll

windows10-ltsc_2021-x64

Umbral-Ste...er.dll

windows10-ltsc_2021-x64

Umbral-Ste...wn.dll

windows10-ltsc_2021-x64

Umbral-Ste...ck.dll

windows10-ltsc_2021-x64

Umbral-Ste...ge.dll

windows10-ltsc_2021-x64

Umbral-Ste...el.dll

windows10-ltsc_2021-x64

Umbral-Ste...ox.dll

windows10-ltsc_2021-x64

Umbral-Ste...on.dll

windows10-ltsc_2021-x64

Umbral-Ste...el.dll

windows10-ltsc_2021-x64

Umbral-Ste...es.dll

windows10-ltsc_2021-x64

Umbral-Ste...el.dll

windows10-ltsc_2021-x64

Umbral-Ste...ox.dll

windows10-ltsc_2021-x64

Umbral-Ste...ar.dll

windows10-ltsc_2021-x64

Umbral-Ste...on.dll

windows10-ltsc_2021-x64

Umbral-Ste...ng.dll

windows10-ltsc_2021-x64

Umbral-Ste...ar.dll

windows10-ltsc_2021-x64

Umbral-Ste...or.dll

windows10-ltsc_2021-x64

Umbral-Ste...el.dll

windows10-ltsc_2021-x64

Umbral-Ste...es.dll

windows10-ltsc_2021-x64

Umbral-Ste...er.dll

windows10-ltsc_2021-x64

Resubmissions

11/10/2026, 16:15

261011-tqbylada737

11/10/2026, 16:15

261011-tqbylaxv2l

11/10/2026, 16:04

261011-th3rcach467

Analysis

max time kernel
149s
max time network
143s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
11/10/2026, 16:04

Sharing

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Static task

static1

3 signatures

agilenet

Behavioral task

behavioral1

Sample

Umbral-Stealer-main/Umbral.builder/Components/Build/Builder.js

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

1 signatures

150 seconds

execution

Behavioral task

behavioral2

Sample

Umbral-Stealer-main/Umbral.builder/Components/Forms/AssemblyEditorForm.vbs

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

1 signatures

150 seconds

execution

Behavioral task

behavioral3

Sample

Umbral-Stealer-main/Umbral.builder/Components/Forms/MainForm.js

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

1 signatures

150 seconds

execution

Behavioral task

behavioral4

Sample

Umbral-Stealer-main/Umbral.builder/Components/Forms/MainForm.vbs

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

1 signatures

150 seconds

execution

Behavioral task

behavioral5

Sample

Umbral-Stealer-main/Umbral.builder/Properties/Resources.Designer.vbs

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

1 signatures

150 seconds

execution

Behavioral task

behavioral6

Sample

Umbral-Stealer-main/Umbral.builder/Properties/Resources.vbs

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

1 signatures

150 seconds

execution

Behavioral task

behavioral7

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.Licensing.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral8

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.1.5.3.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral9

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuButton.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral10

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuCheckBox.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral11

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuCircleProgress.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral12

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuColorTransition.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral13

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuDataGridView.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral14

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuDatePicker.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral15

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuDropdown.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral16

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuFormDock.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral17

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuGauge.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral18

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuGradientPanel.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral19

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuGroupBox.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral20

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuImageButton.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral21

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuLabel.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral22

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuPages.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral23

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuPanel.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral24

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuPictureBox.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral25

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuProgressBar.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral26

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuRadioButton.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral27

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuRating.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral28

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuScrollBar.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral29

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuSeparator.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral30

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuShadowPanel.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral31

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuShapes.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Behavioral task

behavioral32

Sample

Umbral-Stealer-main/Umbral.builder/libs/Bunifu/Bunifu.UI.WinForms.BunifuSlider.dll

Resource

win10ltsc2021-20260911-en

windows10-ltsc_2021-x64

0 signatures

150 seconds

Report Analysis Logs

General

Target
Umbral-Stealer-main/Umbral.builder/Components/Forms/MainForm.vbs
Size 23KB
Sample261011-th3rcach46
SHA256 fbf5bdc94c026c225ea8851d4ec1de81176d48747d21a6568a98ee2993e5d427
MD5 2aeafe43f50c1a5ee1b273884e6b3c1e
SHA1 7ea2ad57d6c4e50ecb9908abf037b69913aa8dc0
SHA512 81f142cd843b8b6e7ca4db1d204f40058de19cdf9035af75cfa8ba3d4acf4b8616b006056d37327a750c6b965ac578200d6ca40185543c5bee2b170d0f6231bc
SSDEEP 384:Zf+tLPQnLvDOiFQXD7U3FawvGaw5ZgwSokaXQSDV8okaXQdokaXQhdokaXQUfokX:ZfWMnXOiWaqVXQSDV1XQyXQhyXQU0XQN
TLSH
T143B2B936B2979C6967C30CB9A2112EC52FF463172265642478EE3609CF1B6C1BFE3358
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

execution

Malware Config

Signatures

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
4360	WScript.exe

Processes

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Umbral-Stealer-main\Umbral.builder\Components\Forms\MainForm.vbs"
1⤵
- Executes a VBScript file via the Windows Script Host.
PID:4360

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads