umbral | b575e722311556b67bc4f2ff77470063e5453e8f9952ddcd33afec9bdefc3902

Analysis

max time kernel
147s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
26-08-2024 18:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Neverlose.exe
Size

231KB
MD5

2a9d5da0bb69d53e1b68178bc63e9390
SHA1

b1170f7ca36ea613188a272dc8ff8720a586de3a
SHA256

b575e722311556b67bc4f2ff77470063e5453e8f9952ddcd33afec9bdefc3902
SHA512

372288f96c8d39cba9529e7c44ce4b083eddf50dc3c3317b7b97c02d07018cdc2e0913da3e8309d548f80d68c95b9dd65e4febd4d7ca3b4d6a8df3360cf6aca3
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4ZvHYe5xypXKYZd8ZC6lY8e1mGi:joZtL+EP8pHYe5xypXKYZd8dk2

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral4/memory/3400-1-0x0000019FD8A20000-0x0000019FD8A60000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2300	powershell.exe
1368	powershell.exe
3660	powershell.exe
5052	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Reads user/profile data of web browsers 2 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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	discord.com
6	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
1	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
2024	PING.EXE
1092	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4248	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2024	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3400	Neverlose.exe
2300	powershell.exe
2300	powershell.exe
3660	powershell.exe
3660	powershell.exe
5052	powershell.exe
5052	powershell.exe
4944	powershell.exe
4944	powershell.exe
1368	powershell.exe
1368	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3400	Neverlose.exe
Token: SeIncreaseQuotaPrivilege	1344	wmic.exe
Token: SeSecurityPrivilege	1344	wmic.exe
Token: SeTakeOwnershipPrivilege	1344	wmic.exe
Token: SeLoadDriverPrivilege	1344	wmic.exe
Token: SeSystemProfilePrivilege	1344	wmic.exe
Token: SeSystemtimePrivilege	1344	wmic.exe
Token: SeProfSingleProcessPrivilege	1344	wmic.exe
Token: SeIncBasePriorityPrivilege	1344	wmic.exe
Token: SeCreatePagefilePrivilege	1344	wmic.exe
Token: SeBackupPrivilege	1344	wmic.exe
Token: SeRestorePrivilege	1344	wmic.exe
Token: SeShutdownPrivilege	1344	wmic.exe
Token: SeDebugPrivilege	1344	wmic.exe
Token: SeSystemEnvironmentPrivilege	1344	wmic.exe
Token: SeRemoteShutdownPrivilege	1344	wmic.exe
Token: SeUndockPrivilege	1344	wmic.exe
Token: SeManageVolumePrivilege	1344	wmic.exe
Token: 33	1344	wmic.exe
Token: 34	1344	wmic.exe
Token: 35	1344	wmic.exe
Token: 36	1344	wmic.exe
Token: SeIncreaseQuotaPrivilege	1344	wmic.exe
Token: SeSecurityPrivilege	1344	wmic.exe
Token: SeTakeOwnershipPrivilege	1344	wmic.exe
Token: SeLoadDriverPrivilege	1344	wmic.exe
Token: SeSystemProfilePrivilege	1344	wmic.exe
Token: SeSystemtimePrivilege	1344	wmic.exe
Token: SeProfSingleProcessPrivilege	1344	wmic.exe
Token: SeIncBasePriorityPrivilege	1344	wmic.exe
Token: SeCreatePagefilePrivilege	1344	wmic.exe
Token: SeBackupPrivilege	1344	wmic.exe
Token: SeRestorePrivilege	1344	wmic.exe
Token: SeShutdownPrivilege	1344	wmic.exe
Token: SeDebugPrivilege	1344	wmic.exe
Token: SeSystemEnvironmentPrivilege	1344	wmic.exe
Token: SeRemoteShutdownPrivilege	1344	wmic.exe
Token: SeUndockPrivilege	1344	wmic.exe
Token: SeManageVolumePrivilege	1344	wmic.exe
Token: 33	1344	wmic.exe
Token: 34	1344	wmic.exe
Token: 35	1344	wmic.exe
Token: 36	1344	wmic.exe
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	3660	powershell.exe
Token: SeDebugPrivilege	5052	powershell.exe
Token: SeDebugPrivilege	4944	powershell.exe
Token: SeIncreaseQuotaPrivilege	4996	wmic.exe
Token: SeSecurityPrivilege	4996	wmic.exe
Token: SeTakeOwnershipPrivilege	4996	wmic.exe
Token: SeLoadDriverPrivilege	4996	wmic.exe
Token: SeSystemProfilePrivilege	4996	wmic.exe
Token: SeSystemtimePrivilege	4996	wmic.exe
Token: SeProfSingleProcessPrivilege	4996	wmic.exe
Token: SeIncBasePriorityPrivilege	4996	wmic.exe
Token: SeCreatePagefilePrivilege	4996	wmic.exe
Token: SeBackupPrivilege	4996	wmic.exe
Token: SeRestorePrivilege	4996	wmic.exe
Token: SeShutdownPrivilege	4996	wmic.exe
Token: SeDebugPrivilege	4996	wmic.exe
Token: SeSystemEnvironmentPrivilege	4996	wmic.exe
Token: SeRemoteShutdownPrivilege	4996	wmic.exe
Token: SeUndockPrivilege	4996	wmic.exe
Token: SeManageVolumePrivilege	4996	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 1344	3400	Neverlose.exe	82
PID 3400 wrote to memory of 1344	3400	Neverlose.exe	82
PID 3400 wrote to memory of 864	3400	Neverlose.exe	85
PID 3400 wrote to memory of 864	3400	Neverlose.exe	85
PID 3400 wrote to memory of 2300	3400	Neverlose.exe	87
PID 3400 wrote to memory of 2300	3400	Neverlose.exe	87
PID 3400 wrote to memory of 3660	3400	Neverlose.exe	89
PID 3400 wrote to memory of 3660	3400	Neverlose.exe	89
PID 3400 wrote to memory of 5052	3400	Neverlose.exe	91
PID 3400 wrote to memory of 5052	3400	Neverlose.exe	91
PID 3400 wrote to memory of 4944	3400	Neverlose.exe	93
PID 3400 wrote to memory of 4944	3400	Neverlose.exe	93
PID 3400 wrote to memory of 4996	3400	Neverlose.exe	95
PID 3400 wrote to memory of 4996	3400	Neverlose.exe	95
PID 3400 wrote to memory of 1972	3400	Neverlose.exe	97
PID 3400 wrote to memory of 1972	3400	Neverlose.exe	97
PID 3400 wrote to memory of 3376	3400	Neverlose.exe	99
PID 3400 wrote to memory of 3376	3400	Neverlose.exe	99
PID 3400 wrote to memory of 1368	3400	Neverlose.exe	101
PID 3400 wrote to memory of 1368	3400	Neverlose.exe	101
PID 3400 wrote to memory of 4248	3400	Neverlose.exe	103
PID 3400 wrote to memory of 4248	3400	Neverlose.exe	103
PID 3400 wrote to memory of 1092	3400	Neverlose.exe	105
PID 3400 wrote to memory of 1092	3400	Neverlose.exe	105
PID 1092 wrote to memory of 2024	1092	cmd.exe	107
PID 1092 wrote to memory of 2024	1092	cmd.exe	107

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
864	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Neverlose.exe
"C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"
  2⤵
  - Views/modifies file attributes
  PID:864
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Neverlose.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- 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:3660
- 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:5052
- 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:4944
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4996
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1972
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3376
- 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:1368
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4248
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Neverlose.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2024

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

Filesize
948B

MD5
711b161528f4959c4b7463036c7324ec

SHA1
53b30cc796c0dfe0cd4c4406202a19139cb5407d

SHA256
7c077fb04d4911778ab648b657b43c9b464393d734dc7fa029ee0f085c6a5638

SHA512
565d0e3e229894de91ad37a16c261bf380e983ffda750f32e8ad361c0606c62043a0188f45d252fecabc6438bc9e7b2c424b101073162ba9633bacd03b42af9b

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

Filesize
1KB

MD5
7332074ae2b01262736b6fbd9e100dac

SHA1
22f992165065107cc9417fa4117240d84414a13c

SHA256
baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa

SHA512
4ae6f0e012c31ac1fc2ff4a8877ce2b4667c45b6e651de798318a39a2b6fd39a6f72dffa8b0b89b7a045a27d724d195656faa25a9fec79b22f37ddebb5d22da2

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

Filesize
1KB

MD5
5c9bbd0c162932b13c8c94530c17f232

SHA1
a07fbc77ba9a38334f6658ede523474dd1ecde48

SHA256
e28068e4ee972a1876dfb19fecaf35252723830e81dc4600da8663c8ba7c14e4

SHA512
10eeb2ec1b37b3d2f3d792fe5801b15472f3e1a85cc324fdcf47f443dea1475ccbea59d1f3f48f82bdcc795d8168b723cb1d6e7c716e1230721d4cca70d11603

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_513pm3kb.d1v.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2300-12-0x00007FF9E8E00000-0x00007FF9E98C2000-memory.dmp

Filesize
10.8MB

Download
memory/2300-13-0x00007FF9E8E00000-0x00007FF9E98C2000-memory.dmp

Filesize
10.8MB

Download
memory/2300-14-0x00007FF9E8E00000-0x00007FF9E98C2000-memory.dmp

Filesize
10.8MB

Download
memory/2300-17-0x00007FF9E8E00000-0x00007FF9E98C2000-memory.dmp

Filesize
10.8MB

Download
memory/2300-11-0x00000189A7250000-0x00000189A7272000-memory.dmp

Filesize
136KB

Download
memory/3400-31-0x0000019FF3240000-0x0000019FF32B6000-memory.dmp

Filesize
472KB

Download
memory/3400-32-0x0000019FF31C0000-0x0000019FF3210000-memory.dmp

Filesize
320KB

Download
memory/3400-33-0x0000019FDA860000-0x0000019FDA87E000-memory.dmp

Filesize
120KB

Download
memory/3400-0-0x00007FF9E8E03000-0x00007FF9E8E05000-memory.dmp

Filesize
8KB

Download
memory/3400-1-0x0000019FD8A20000-0x0000019FD8A60000-memory.dmp

Filesize
256KB

Download
memory/3400-68-0x0000019FF32C0000-0x0000019FF32D2000-memory.dmp

Filesize
72KB

Download
memory/3400-67-0x0000019FDA890000-0x0000019FDA89A000-memory.dmp

Filesize
40KB

Download
memory/3400-2-0x00007FF9E8E00000-0x00007FF9E98C2000-memory.dmp

Filesize
10.8MB

Download
memory/3400-85-0x00007FF9E8E00000-0x00007FF9E98C2000-memory.dmp

Filesize
10.8MB

Download