umbral | b429870a259f3c0b4a70b106fc7aebbbd3a6ea1cb5e5f887d9961783dedb155a

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
31/05/2026, 17:27

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General

Target
RaxelExecutorV.1.exe
Size 230KB
Sample260531-v1devads8v
SHA256 b429870a259f3c0b4a70b106fc7aebbbd3a6ea1cb5e5f887d9961783dedb155a
MD5 a52ca58ce64402f761c4040e8122ef29
SHA1 3ba2e2236bc62a850f558da6f68602d9204d711a
SHA512 02c648586a44153c60faf13e097a77363787bba2971e75a2fee4a6243181ac8b6bb78e947601ff1989b5cdb68080e1e5030c7b056345ad1540f545b815ae45d2
SSDEEP 6144:6loZMNrIkd8g+EtXHkv/iD4WjM7p3cw/DeHp0AVEmb8e1m1i:EoZmL+EP8WjM7p3cw/DeHp0AVn7
TLSH
T163345C1533B8CB27E19F8BBDD5B1545F87F2F203E90AF78E0C8895E81811742E94AA57
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion execution umbral spyware stealer

Malware Config

Extracted

Family

umbral

Version

v1.3

https://discord.com/api/webhooks/1510413692272119888/L27KKBxm4oogASFKaaAlO_8x04nuwUkuPd_zVqXJSxoUmLBFucNPxpwWa1cE-kZXYRFL

Signatures

Family: Umbral
Umbral stealer is an open-source modular stealer written in C#.
stealer umbral

Detects Umbral payload 2 IoCs

resource	yara_rule
behavioral1/memory/4272-0-0x000002758CC00000-0x000002758CC40000-memory.dmp	family_umbral
behavioral1/memory/4272-0-0x000002758CC00000-0x000002758CC40000-memory.dmp	family_umbral_obfuscated

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1472	powershell.exe
1900	powershell.exe
4560	powershell.exe

Disables one or more Microsoft Defender components 1 TTPs 1 IoCs

Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

defense_evasion

Disable or Modify Tools

T1562.001

pid	Process
1900	powershell.exe

Disables automatic submission of suspicious files to Microsoft by Windows Defender 1 TTPs 1 IoCs

Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

defense_evasion

Disable or Modify Tools

T1562.001

pid	Process
1900	powershell.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

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1472	powershell.exe
1472	powershell.exe
1900	powershell.exe
1900	powershell.exe
4560	powershell.exe
4560	powershell.exe
4488	powershell.exe
4488	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	RaxelExecutorV.1.exe
Token: SeDebugPrivilege	1472	powershell.exe
Token: SeDebugPrivilege	1900	powershell.exe
Token: SeDebugPrivilege	4560	powershell.exe
Token: SeDebugPrivilege	4488	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 1472	4272	RaxelExecutorV.1.exe	88
PID 4272 wrote to memory of 1900	4272	RaxelExecutorV.1.exe	91
PID 4272 wrote to memory of 4560	4272	RaxelExecutorV.1.exe	94
PID 4272 wrote to memory of 4488	4272	RaxelExecutorV.1.exe	96

C:\Users\Admin\AppData\Local\Temp\RaxelExecutorV.1.exe
"C:\Users\Admin\AppData\Local\Temp\RaxelExecutorV.1.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RaxelExecutorV.1.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1472
- 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
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Disables one or more Microsoft Defender components
  - Disables automatic submission of suspicious files to Microsoft by Windows Defender
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1900
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4560
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4488

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

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 85f6b0971e94daf9fd4e39413824f162851a9f5ce7f989bd92c903a4dbcbef26
MD5 029fbf628b046653ab7ff10b31deeeb2
SHA1 93c2cb1905c8f5e71f5ea97a1e8a8c891eae077c
SHA512 d4e3626dba2572bd1e53446b384962f955cc0c7e56a72cacf50a845d74714ec1020bcb0fdcc50636a1dfd4f08dc34143dbb5638dd90180df6aa31dab9228c98c
TLSH
T192112227F38C8920CC96163A509DAC5172B586DB81AEDF9F7FC0C210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 948B
SHA256 18a2aa7e245c6732f95fb7749b2b4d29007f2c56a9c5bfbc5e3c127bdfe5f158
MD5 2af06a6b36db9473e4a7d9c7ab72b70b
SHA1 8ef34b9b961e51bdd1b8d7d9db2ec1b0a4764645
SHA512 3495567a5d5af94ae27be51313d9e2630c52017d808042fe0d56baa34fa1d246eb15c253d14c77c77a1d8f2f1c81680e623044ae95415b095696e7fa141ac7cf
TLSH
T110112223F78C89A1CC96163A509DAC5172B686CB81AEDEDF7BC0C210E1BF584CB61294
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
MD5 276798eeb29a49dc6e199768bc9c2e71
SHA1 5fdc8ccb897ac2df7476fbb07517aca5b7a6205b
SHA512 0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2
TLSH
T128117623F3DC8A21CC96163A509DAC1176B683C7819EDF9F6BC0D201A5BF594CB61190
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_thvijnla.vfy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_thvijnla.vfy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1472-2-0x0000027CBDC10000-0x0000027CBDC20000-memory.dmp

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memory/1472-3-0x0000027CBDC10000-0x0000027CBDC20000-memory.dmp

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memory/1472-9-0x0000027CA5670000-0x0000027CA5692000-memory.dmp

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memory/4272-24-0x00000275A7350000-0x00000275A73C6000-memory.dmp

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memory/4272-25-0x00000275A72D0000-0x00000275A7320000-memory.dmp

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memory/4272-26-0x000002758E990000-0x000002758E9AE000-memory.dmp

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memory/4272-0-0x000002758CC00000-0x000002758CC40000-memory.dmp

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memory/4272-1-0x000002758E7D0000-0x000002758E7E0000-memory.dmp

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memory/4272-55-0x00000275A7330000-0x00000275A733A000-memory.dmp

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memory/4272-56-0x00000275A7500000-0x00000275A7512000-memory.dmp

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memory/4272-59-0x000002758E7D0000-0x000002758E7E0000-memory.dmp

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memory/4560-44-0x000001C76BAC0000-0x000001C76BCDC000-memory.dmp

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