umbral | a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 12:18

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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/2704-1-0x0000000000130000-0x0000000000170000-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
2560	powershell.exe
2160	powershell.exe
1900	powershell.exe
2376	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
444	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
444	cmd.exe
292	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1828	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
292	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2704	NeverSense.exe
2560	powershell.exe
2160	powershell.exe
1900	powershell.exe
2664	powershell.exe
2376	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	NeverSense.exe
Token: SeIncreaseQuotaPrivilege	3016	wmic.exe
Token: SeSecurityPrivilege	3016	wmic.exe
Token: SeTakeOwnershipPrivilege	3016	wmic.exe
Token: SeLoadDriverPrivilege	3016	wmic.exe
Token: SeSystemProfilePrivilege	3016	wmic.exe
Token: SeSystemtimePrivilege	3016	wmic.exe
Token: SeProfSingleProcessPrivilege	3016	wmic.exe
Token: SeIncBasePriorityPrivilege	3016	wmic.exe
Token: SeCreatePagefilePrivilege	3016	wmic.exe
Token: SeBackupPrivilege	3016	wmic.exe
Token: SeRestorePrivilege	3016	wmic.exe
Token: SeShutdownPrivilege	3016	wmic.exe
Token: SeDebugPrivilege	3016	wmic.exe
Token: SeSystemEnvironmentPrivilege	3016	wmic.exe
Token: SeRemoteShutdownPrivilege	3016	wmic.exe
Token: SeUndockPrivilege	3016	wmic.exe
Token: SeManageVolumePrivilege	3016	wmic.exe
Token: 33	3016	wmic.exe
Token: 34	3016	wmic.exe
Token: 35	3016	wmic.exe
Token: SeIncreaseQuotaPrivilege	3016	wmic.exe
Token: SeSecurityPrivilege	3016	wmic.exe
Token: SeTakeOwnershipPrivilege	3016	wmic.exe
Token: SeLoadDriverPrivilege	3016	wmic.exe
Token: SeSystemProfilePrivilege	3016	wmic.exe
Token: SeSystemtimePrivilege	3016	wmic.exe
Token: SeProfSingleProcessPrivilege	3016	wmic.exe
Token: SeIncBasePriorityPrivilege	3016	wmic.exe
Token: SeCreatePagefilePrivilege	3016	wmic.exe
Token: SeBackupPrivilege	3016	wmic.exe
Token: SeRestorePrivilege	3016	wmic.exe
Token: SeShutdownPrivilege	3016	wmic.exe
Token: SeDebugPrivilege	3016	wmic.exe
Token: SeSystemEnvironmentPrivilege	3016	wmic.exe
Token: SeRemoteShutdownPrivilege	3016	wmic.exe
Token: SeUndockPrivilege	3016	wmic.exe
Token: SeManageVolumePrivilege	3016	wmic.exe
Token: 33	3016	wmic.exe
Token: 34	3016	wmic.exe
Token: 35	3016	wmic.exe
Token: SeDebugPrivilege	2560	powershell.exe
Token: SeDebugPrivilege	2160	powershell.exe
Token: SeDebugPrivilege	1900	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeIncreaseQuotaPrivilege	1632	wmic.exe
Token: SeSecurityPrivilege	1632	wmic.exe
Token: SeTakeOwnershipPrivilege	1632	wmic.exe
Token: SeLoadDriverPrivilege	1632	wmic.exe
Token: SeSystemProfilePrivilege	1632	wmic.exe
Token: SeSystemtimePrivilege	1632	wmic.exe
Token: SeProfSingleProcessPrivilege	1632	wmic.exe
Token: SeIncBasePriorityPrivilege	1632	wmic.exe
Token: SeCreatePagefilePrivilege	1632	wmic.exe
Token: SeBackupPrivilege	1632	wmic.exe
Token: SeRestorePrivilege	1632	wmic.exe
Token: SeShutdownPrivilege	1632	wmic.exe
Token: SeDebugPrivilege	1632	wmic.exe
Token: SeSystemEnvironmentPrivilege	1632	wmic.exe
Token: SeRemoteShutdownPrivilege	1632	wmic.exe
Token: SeUndockPrivilege	1632	wmic.exe
Token: SeManageVolumePrivilege	1632	wmic.exe
Token: 33	1632	wmic.exe
Token: 34	1632	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 3016	2704	NeverSense.exe	30
PID 2704 wrote to memory of 3016	2704	NeverSense.exe	30
PID 2704 wrote to memory of 3016	2704	NeverSense.exe	30
PID 2704 wrote to memory of 2620	2704	NeverSense.exe	33
PID 2704 wrote to memory of 2620	2704	NeverSense.exe	33
PID 2704 wrote to memory of 2620	2704	NeverSense.exe	33
PID 2704 wrote to memory of 2560	2704	NeverSense.exe	35
PID 2704 wrote to memory of 2560	2704	NeverSense.exe	35
PID 2704 wrote to memory of 2560	2704	NeverSense.exe	35
PID 2704 wrote to memory of 2160	2704	NeverSense.exe	37
PID 2704 wrote to memory of 2160	2704	NeverSense.exe	37
PID 2704 wrote to memory of 2160	2704	NeverSense.exe	37
PID 2704 wrote to memory of 1900	2704	NeverSense.exe	39
PID 2704 wrote to memory of 1900	2704	NeverSense.exe	39
PID 2704 wrote to memory of 1900	2704	NeverSense.exe	39
PID 2704 wrote to memory of 2664	2704	NeverSense.exe	41
PID 2704 wrote to memory of 2664	2704	NeverSense.exe	41
PID 2704 wrote to memory of 2664	2704	NeverSense.exe	41
PID 2704 wrote to memory of 1632	2704	NeverSense.exe	43
PID 2704 wrote to memory of 1632	2704	NeverSense.exe	43
PID 2704 wrote to memory of 1632	2704	NeverSense.exe	43
PID 2704 wrote to memory of 264	2704	NeverSense.exe	45
PID 2704 wrote to memory of 264	2704	NeverSense.exe	45
PID 2704 wrote to memory of 264	2704	NeverSense.exe	45
PID 2704 wrote to memory of 1764	2704	NeverSense.exe	47
PID 2704 wrote to memory of 1764	2704	NeverSense.exe	47
PID 2704 wrote to memory of 1764	2704	NeverSense.exe	47
PID 2704 wrote to memory of 2376	2704	NeverSense.exe	49
PID 2704 wrote to memory of 2376	2704	NeverSense.exe	49
PID 2704 wrote to memory of 2376	2704	NeverSense.exe	49
PID 2704 wrote to memory of 1828	2704	NeverSense.exe	51
PID 2704 wrote to memory of 1828	2704	NeverSense.exe	51
PID 2704 wrote to memory of 1828	2704	NeverSense.exe	51
PID 2704 wrote to memory of 444	2704	NeverSense.exe	53
PID 2704 wrote to memory of 444	2704	NeverSense.exe	53
PID 2704 wrote to memory of 444	2704	NeverSense.exe	53
PID 444 wrote to memory of 292	444	cmd.exe	55
PID 444 wrote to memory of 292	444	cmd.exe	55
PID 444 wrote to memory of 292	444	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2620	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:2704
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3016
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\NeverSense.exe"
  2⤵
  - Views/modifies file attributes
  PID:2620
- 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:2560
- 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:2160
- 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:1900
- 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:2664
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1632
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:264
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1764
- 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:2376
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1828
- 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:444
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:292

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\7VU93SAWMVD1OBQM2AI0.temp

Filesize
7KB

MD5
a6f0faa7c0300b457ab8711c2c455c48

SHA1
f1e1bddd28851ee6ebfb1d31ee1fece56d3dfa4e

SHA256
d4a43b044a26ff66346306b38bfb96b9aa43891250c23dcb1bbfc28e6b0a15d6

SHA512
21bb2a22f50b90283bfed72334778bafb0e2c1c400a7cd02b5b0a324ea2be1e231b01a55e3f59194af510785b5319d60512ba5c01fb426e975d3e5734b316ba5

Download Submit
memory/2160-15-0x0000000002820000-0x0000000002828000-memory.dmp

Filesize
32KB

Download
memory/2160-14-0x000000001B510000-0x000000001B7F2000-memory.dmp

Filesize
2.9MB

Download
memory/2376-44-0x0000000002340000-0x0000000002348000-memory.dmp

Filesize
32KB

Download
memory/2560-7-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/2560-8-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download
memory/2704-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/2704-1-0x0000000000130000-0x0000000000170000-memory.dmp

Filesize
256KB

Download
memory/2704-2-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2704-48-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download