umbral | a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 09:48

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General

Target

NeverSense.exe
Size

231KB
MD5

7414d4b850e9a986b199a741613a5fd0
SHA1

797ac658f7371c68e64e94b1ac5df8d80b120710
SHA256

a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0
SHA512

ecec7ad30472c366a9bdada5de639471efd207a297c7652f17343bbd83f94b0486ade175b40272a31c052b7559c32ce4bd9fe8be0ad63fccbfb753db41ca6c00
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4YfF8Ye5xy9XKYZd8N3b8e1mu/i:joZtL+EP8YfF8Ye5xy9XKYZd8Bg

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/3024-1-0x00000000011E0000-0x0000000001220000-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
2984	powershell.exe
2892	powershell.exe
2632	powershell.exe
1908	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	NeverSense.exe

Deletes itself 1 IoCs

pid	Process
2488	cmd.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
9	discord.com
10	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
6	ip-api.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2488	cmd.exe
1168	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1224	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1168	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3024	NeverSense.exe
2984	powershell.exe
2892	powershell.exe
2632	powershell.exe
1524	powershell.exe
1908	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	NeverSense.exe
Token: SeIncreaseQuotaPrivilege	1752	wmic.exe
Token: SeSecurityPrivilege	1752	wmic.exe
Token: SeTakeOwnershipPrivilege	1752	wmic.exe
Token: SeLoadDriverPrivilege	1752	wmic.exe
Token: SeSystemProfilePrivilege	1752	wmic.exe
Token: SeSystemtimePrivilege	1752	wmic.exe
Token: SeProfSingleProcessPrivilege	1752	wmic.exe
Token: SeIncBasePriorityPrivilege	1752	wmic.exe
Token: SeCreatePagefilePrivilege	1752	wmic.exe
Token: SeBackupPrivilege	1752	wmic.exe
Token: SeRestorePrivilege	1752	wmic.exe
Token: SeShutdownPrivilege	1752	wmic.exe
Token: SeDebugPrivilege	1752	wmic.exe
Token: SeSystemEnvironmentPrivilege	1752	wmic.exe
Token: SeRemoteShutdownPrivilege	1752	wmic.exe
Token: SeUndockPrivilege	1752	wmic.exe
Token: SeManageVolumePrivilege	1752	wmic.exe
Token: 33	1752	wmic.exe
Token: 34	1752	wmic.exe
Token: 35	1752	wmic.exe
Token: SeIncreaseQuotaPrivilege	1752	wmic.exe
Token: SeSecurityPrivilege	1752	wmic.exe
Token: SeTakeOwnershipPrivilege	1752	wmic.exe
Token: SeLoadDriverPrivilege	1752	wmic.exe
Token: SeSystemProfilePrivilege	1752	wmic.exe
Token: SeSystemtimePrivilege	1752	wmic.exe
Token: SeProfSingleProcessPrivilege	1752	wmic.exe
Token: SeIncBasePriorityPrivilege	1752	wmic.exe
Token: SeCreatePagefilePrivilege	1752	wmic.exe
Token: SeBackupPrivilege	1752	wmic.exe
Token: SeRestorePrivilege	1752	wmic.exe
Token: SeShutdownPrivilege	1752	wmic.exe
Token: SeDebugPrivilege	1752	wmic.exe
Token: SeSystemEnvironmentPrivilege	1752	wmic.exe
Token: SeRemoteShutdownPrivilege	1752	wmic.exe
Token: SeUndockPrivilege	1752	wmic.exe
Token: SeManageVolumePrivilege	1752	wmic.exe
Token: 33	1752	wmic.exe
Token: 34	1752	wmic.exe
Token: 35	1752	wmic.exe
Token: SeDebugPrivilege	2984	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	1524	powershell.exe
Token: SeIncreaseQuotaPrivilege	484	wmic.exe
Token: SeSecurityPrivilege	484	wmic.exe
Token: SeTakeOwnershipPrivilege	484	wmic.exe
Token: SeLoadDriverPrivilege	484	wmic.exe
Token: SeSystemProfilePrivilege	484	wmic.exe
Token: SeSystemtimePrivilege	484	wmic.exe
Token: SeProfSingleProcessPrivilege	484	wmic.exe
Token: SeIncBasePriorityPrivilege	484	wmic.exe
Token: SeCreatePagefilePrivilege	484	wmic.exe
Token: SeBackupPrivilege	484	wmic.exe
Token: SeRestorePrivilege	484	wmic.exe
Token: SeShutdownPrivilege	484	wmic.exe
Token: SeDebugPrivilege	484	wmic.exe
Token: SeSystemEnvironmentPrivilege	484	wmic.exe
Token: SeRemoteShutdownPrivilege	484	wmic.exe
Token: SeUndockPrivilege	484	wmic.exe
Token: SeManageVolumePrivilege	484	wmic.exe
Token: 33	484	wmic.exe
Token: 34	484	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 1752	3024	NeverSense.exe	30
PID 3024 wrote to memory of 1752	3024	NeverSense.exe	30
PID 3024 wrote to memory of 1752	3024	NeverSense.exe	30
PID 3024 wrote to memory of 2864	3024	NeverSense.exe	33
PID 3024 wrote to memory of 2864	3024	NeverSense.exe	33
PID 3024 wrote to memory of 2864	3024	NeverSense.exe	33
PID 3024 wrote to memory of 2984	3024	NeverSense.exe	35
PID 3024 wrote to memory of 2984	3024	NeverSense.exe	35
PID 3024 wrote to memory of 2984	3024	NeverSense.exe	35
PID 3024 wrote to memory of 2892	3024	NeverSense.exe	37
PID 3024 wrote to memory of 2892	3024	NeverSense.exe	37
PID 3024 wrote to memory of 2892	3024	NeverSense.exe	37
PID 3024 wrote to memory of 2632	3024	NeverSense.exe	39
PID 3024 wrote to memory of 2632	3024	NeverSense.exe	39
PID 3024 wrote to memory of 2632	3024	NeverSense.exe	39
PID 3024 wrote to memory of 1524	3024	NeverSense.exe	41
PID 3024 wrote to memory of 1524	3024	NeverSense.exe	41
PID 3024 wrote to memory of 1524	3024	NeverSense.exe	41
PID 3024 wrote to memory of 484	3024	NeverSense.exe	43
PID 3024 wrote to memory of 484	3024	NeverSense.exe	43
PID 3024 wrote to memory of 484	3024	NeverSense.exe	43
PID 3024 wrote to memory of 2036	3024	NeverSense.exe	45
PID 3024 wrote to memory of 2036	3024	NeverSense.exe	45
PID 3024 wrote to memory of 2036	3024	NeverSense.exe	45
PID 3024 wrote to memory of 1512	3024	NeverSense.exe	47
PID 3024 wrote to memory of 1512	3024	NeverSense.exe	47
PID 3024 wrote to memory of 1512	3024	NeverSense.exe	47
PID 3024 wrote to memory of 1908	3024	NeverSense.exe	49
PID 3024 wrote to memory of 1908	3024	NeverSense.exe	49
PID 3024 wrote to memory of 1908	3024	NeverSense.exe	49
PID 3024 wrote to memory of 1224	3024	NeverSense.exe	51
PID 3024 wrote to memory of 1224	3024	NeverSense.exe	51
PID 3024 wrote to memory of 1224	3024	NeverSense.exe	51
PID 3024 wrote to memory of 2488	3024	NeverSense.exe	53
PID 3024 wrote to memory of 2488	3024	NeverSense.exe	53
PID 3024 wrote to memory of 2488	3024	NeverSense.exe	53
PID 2488 wrote to memory of 1168	2488	cmd.exe	55
PID 2488 wrote to memory of 1168	2488	cmd.exe	55
PID 2488 wrote to memory of 1168	2488	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2864	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NeverSense.exe
"C:\Users\Admin\AppData\Local\Temp\NeverSense.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1752
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\NeverSense.exe"
  2⤵
  - Views/modifies file attributes
  PID:2864
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\NeverSense.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2984
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- 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:2632
- 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:1524
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:484
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2036
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1512
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1908
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1224
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\NeverSense.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
91bc6387b087b2694e83a6b0993cdd43

SHA1
b07abf21aea89974965ec2eafbd4e9f1300531bd

SHA256
e2bae7c22885097acb8a24f4df169b4df20930f7e9f1781e8379789c2d395457

SHA512
093c2db137f49b3d377d7a064ba7f56c5ed93b26545b5806b86aa7b7ff8d513dddb8f90b70dbdde8b92d1c7ea548d1052475afdeca8bac10573cefa8c4ced818

Download Submit
memory/1908-43-0x0000000001D80000-0x0000000001D88000-memory.dmp

Filesize
32KB

Download
memory/2892-14-0x000000001B750000-0x000000001BA32000-memory.dmp

Filesize
2.9MB

Download
memory/2892-15-0x0000000002010000-0x0000000002018000-memory.dmp

Filesize
32KB

Download
memory/2984-7-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2984-8-0x00000000027F0000-0x00000000027F8000-memory.dmp

Filesize
32KB

Download
memory/3024-0-0x000007FEF6543000-0x000007FEF6544000-memory.dmp

Filesize
4KB

Download
memory/3024-1-0x00000000011E0000-0x0000000001220000-memory.dmp

Filesize
256KB

Download
memory/3024-2-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/3024-47-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download