umbral | 9aef7a2f101a0ee9126a42195cd4d646aa8af678efea884617c67f1d4ba38ac0

Analysis

max time kernel
8s
max time network
9s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
12/04/2025, 10:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
behavioral3/files/0x000b00000002acdf-4.dat	family_umbral
behavioral3/memory/4632-10-0x0000000000400000-0x0000000000448000-memory.dmp	family_umbral
behavioral3/memory/2464-13-0x0000012287C60000-0x0000012287CA0000-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
1048	powershell.exe
4424	powershell.exe
3384	powershell.exe
3004	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2464	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
7	discord.com
8	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
4	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
1952	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1048	powershell.exe
1048	powershell.exe
4424	powershell.exe
4424	powershell.exe
3384	powershell.exe
3384	powershell.exe
4252	powershell.exe
4252	powershell.exe
3004	powershell.exe
3004	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	Umbral.exe
Token: SeDebugPrivilege	1048	powershell.exe
Token: SeDebugPrivilege	4424	powershell.exe
Token: SeDebugPrivilege	3384	powershell.exe
Token: SeDebugPrivilege	4252	powershell.exe
Token: SeIncreaseQuotaPrivilege	5748	wmic.exe
Token: SeSecurityPrivilege	5748	wmic.exe
Token: SeTakeOwnershipPrivilege	5748	wmic.exe
Token: SeLoadDriverPrivilege	5748	wmic.exe
Token: SeSystemProfilePrivilege	5748	wmic.exe
Token: SeSystemtimePrivilege	5748	wmic.exe
Token: SeProfSingleProcessPrivilege	5748	wmic.exe
Token: SeIncBasePriorityPrivilege	5748	wmic.exe
Token: SeCreatePagefilePrivilege	5748	wmic.exe
Token: SeBackupPrivilege	5748	wmic.exe
Token: SeRestorePrivilege	5748	wmic.exe
Token: SeShutdownPrivilege	5748	wmic.exe
Token: SeDebugPrivilege	5748	wmic.exe
Token: SeSystemEnvironmentPrivilege	5748	wmic.exe
Token: SeRemoteShutdownPrivilege	5748	wmic.exe
Token: SeUndockPrivilege	5748	wmic.exe
Token: SeManageVolumePrivilege	5748	wmic.exe
Token: 33	5748	wmic.exe
Token: 34	5748	wmic.exe
Token: 35	5748	wmic.exe
Token: 36	5748	wmic.exe
Token: SeIncreaseQuotaPrivilege	5748	wmic.exe
Token: SeSecurityPrivilege	5748	wmic.exe
Token: SeTakeOwnershipPrivilege	5748	wmic.exe
Token: SeLoadDriverPrivilege	5748	wmic.exe
Token: SeSystemProfilePrivilege	5748	wmic.exe
Token: SeSystemtimePrivilege	5748	wmic.exe
Token: SeProfSingleProcessPrivilege	5748	wmic.exe
Token: SeIncBasePriorityPrivilege	5748	wmic.exe
Token: SeCreatePagefilePrivilege	5748	wmic.exe
Token: SeBackupPrivilege	5748	wmic.exe
Token: SeRestorePrivilege	5748	wmic.exe
Token: SeShutdownPrivilege	5748	wmic.exe
Token: SeDebugPrivilege	5748	wmic.exe
Token: SeSystemEnvironmentPrivilege	5748	wmic.exe
Token: SeRemoteShutdownPrivilege	5748	wmic.exe
Token: SeUndockPrivilege	5748	wmic.exe
Token: SeManageVolumePrivilege	5748	wmic.exe
Token: 33	5748	wmic.exe
Token: 34	5748	wmic.exe
Token: 35	5748	wmic.exe
Token: 36	5748	wmic.exe
Token: SeIncreaseQuotaPrivilege	4740	wmic.exe
Token: SeSecurityPrivilege	4740	wmic.exe
Token: SeTakeOwnershipPrivilege	4740	wmic.exe
Token: SeLoadDriverPrivilege	4740	wmic.exe
Token: SeSystemProfilePrivilege	4740	wmic.exe
Token: SeSystemtimePrivilege	4740	wmic.exe
Token: SeProfSingleProcessPrivilege	4740	wmic.exe
Token: SeIncBasePriorityPrivilege	4740	wmic.exe
Token: SeCreatePagefilePrivilege	4740	wmic.exe
Token: SeBackupPrivilege	4740	wmic.exe
Token: SeRestorePrivilege	4740	wmic.exe
Token: SeShutdownPrivilege	4740	wmic.exe
Token: SeDebugPrivilege	4740	wmic.exe
Token: SeSystemEnvironmentPrivilege	4740	wmic.exe
Token: SeRemoteShutdownPrivilege	4740	wmic.exe
Token: SeUndockPrivilege	4740	wmic.exe
Token: SeManageVolumePrivilege	4740	wmic.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 2464	4632	Delta Crack.exe	78
PID 4632 wrote to memory of 2464	4632	Delta Crack.exe	78
PID 2464 wrote to memory of 1048	2464	Umbral.exe	79
PID 2464 wrote to memory of 1048	2464	Umbral.exe	79
PID 2464 wrote to memory of 4424	2464	Umbral.exe	81
PID 2464 wrote to memory of 4424	2464	Umbral.exe	81
PID 2464 wrote to memory of 3384	2464	Umbral.exe	83
PID 2464 wrote to memory of 3384	2464	Umbral.exe	83
PID 2464 wrote to memory of 4252	2464	Umbral.exe	85
PID 2464 wrote to memory of 4252	2464	Umbral.exe	85
PID 2464 wrote to memory of 5748	2464	Umbral.exe	87
PID 2464 wrote to memory of 5748	2464	Umbral.exe	87
PID 2464 wrote to memory of 4740	2464	Umbral.exe	90
PID 2464 wrote to memory of 4740	2464	Umbral.exe	90
PID 2464 wrote to memory of 5036	2464	Umbral.exe	92
PID 2464 wrote to memory of 5036	2464	Umbral.exe	92
PID 2464 wrote to memory of 3004	2464	Umbral.exe	94
PID 2464 wrote to memory of 3004	2464	Umbral.exe	94
PID 2464 wrote to memory of 1952	2464	Umbral.exe	96
PID 2464 wrote to memory of 1952	2464	Umbral.exe	96

C:\Users\Admin\AppData\Local\Temp\Delta Crack.exe
"C:\Users\Admin\AppData\Local\Temp\Delta Crack.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4632
- 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:2464
- - 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:1048
- - 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:4424
- - 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:3384
- - 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:4252
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:5748
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4740
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:5036
- - 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:3004
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:1952

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
d0a4a3b9a52b8fe3b019f6cd0ef3dad6

SHA1
fed70ce7834c3b97edbd078eccda1e5effa527cd

SHA256
21942e513f223fdad778348fbb20617dd29f986bccd87824c0ae7f15649f3f31

SHA512
1a66f837b4e7fb6346d0500aeacb44902fb8a239bce23416271263eba46fddae58a17075e188ae43eb516c841e02c87e32ebd73256c7cc2c0713d00c35f1761b

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

Filesize
948B

MD5
711b161528f4959c4b7463036c7324ec

SHA1
53b30cc796c0dfe0cd4c4406202a19139cb5407d

SHA256
7c077fb04d4911778ab648b657b43c9b464393d734dc7fa029ee0f085c6a5638

SHA512
565d0e3e229894de91ad37a16c261bf380e983ffda750f32e8ad361c0606c62043a0188f45d252fecabc6438bc9e7b2c424b101073162ba9633bacd03b42af9b

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

Filesize
1KB

MD5
7332074ae2b01262736b6fbd9e100dac

SHA1
22f992165065107cc9417fa4117240d84414a13c

SHA256
baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa

SHA512
4ae6f0e012c31ac1fc2ff4a8877ce2b4667c45b6e651de798318a39a2b6fd39a6f72dffa8b0b89b7a045a27d724d195656faa25a9fec79b22f37ddebb5d22da2

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

Filesize
1KB

MD5
05e2b7139fa3bb619d6994d1a982d3dc

SHA1
288f2cc3cf2fd6b3f7744e77160000278373f480

SHA256
692eb6d571aeb1eb6a8378cf0472cc598a5d22865324f837d9a029e30bf8424a

SHA512
ba0231c4e8dd6c5727e30ee08149e95a7bcc48d58bebf6e7b0c27ed3af39c1892ac3559e2fdc76efbe953fe08286de3141857293c3ae26c231a6110e2ac55fd1

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_hdfy2ke4.qsa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1048-29-0x00007FF9253F0000-0x00007FF925EB2000-memory.dmp

Filesize
10.8MB

Download
memory/1048-25-0x00007FF9253F0000-0x00007FF925EB2000-memory.dmp

Filesize
10.8MB

Download
memory/1048-26-0x00007FF9253F0000-0x00007FF925EB2000-memory.dmp

Filesize
10.8MB

Download
memory/1048-23-0x000002E9F3360000-0x000002E9F3382000-memory.dmp

Filesize
136KB

Download
memory/1048-24-0x00007FF9253F0000-0x00007FF925EB2000-memory.dmp

Filesize
10.8MB

Download
memory/2464-43-0x00000122A2410000-0x00000122A2460000-memory.dmp

Filesize
320KB

Download
memory/2464-42-0x00000122A2490000-0x00000122A2506000-memory.dmp

Filesize
472KB

Download
memory/2464-14-0x00007FF9253F0000-0x00007FF925EB2000-memory.dmp

Filesize
10.8MB

Download
memory/2464-49-0x00000122881C0000-0x00000122881DE000-memory.dmp

Filesize
120KB

Download
memory/2464-13-0x0000012287C60000-0x0000012287CA0000-memory.dmp

Filesize
256KB

Download
memory/2464-12-0x00007FF9253F3000-0x00007FF9253F5000-memory.dmp

Filesize
8KB

Download
memory/2464-78-0x0000012288210000-0x000001228821A000-memory.dmp

Filesize
40KB

Download
memory/2464-79-0x00000122A2460000-0x00000122A2472000-memory.dmp

Filesize
72KB

Download
memory/2464-96-0x00007FF9253F0000-0x00007FF925EB2000-memory.dmp

Filesize
10.8MB

Download
memory/4632-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download