umbral | b575e722311556b67bc4f2ff77470063e5453e8f9952ddcd33afec9bdefc3902

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
behavioral3/memory/656-1-0x000001941B7F0000-0x000001941B830000-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
3344	powershell.exe
4552	powershell.exe
4840	powershell.exe
1716	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
28	discord.com
29	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
4244	cmd.exe
4992	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4072	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4992	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
656	Neverlose.exe
3344	powershell.exe
3344	powershell.exe
4840	powershell.exe
4840	powershell.exe
1716	powershell.exe
1716	powershell.exe
1832	powershell.exe
1832	powershell.exe
4552	powershell.exe
4552	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	656	Neverlose.exe
Token: SeIncreaseQuotaPrivilege	4456	wmic.exe
Token: SeSecurityPrivilege	4456	wmic.exe
Token: SeTakeOwnershipPrivilege	4456	wmic.exe
Token: SeLoadDriverPrivilege	4456	wmic.exe
Token: SeSystemProfilePrivilege	4456	wmic.exe
Token: SeSystemtimePrivilege	4456	wmic.exe
Token: SeProfSingleProcessPrivilege	4456	wmic.exe
Token: SeIncBasePriorityPrivilege	4456	wmic.exe
Token: SeCreatePagefilePrivilege	4456	wmic.exe
Token: SeBackupPrivilege	4456	wmic.exe
Token: SeRestorePrivilege	4456	wmic.exe
Token: SeShutdownPrivilege	4456	wmic.exe
Token: SeDebugPrivilege	4456	wmic.exe
Token: SeSystemEnvironmentPrivilege	4456	wmic.exe
Token: SeRemoteShutdownPrivilege	4456	wmic.exe
Token: SeUndockPrivilege	4456	wmic.exe
Token: SeManageVolumePrivilege	4456	wmic.exe
Token: 33	4456	wmic.exe
Token: 34	4456	wmic.exe
Token: 35	4456	wmic.exe
Token: 36	4456	wmic.exe
Token: SeIncreaseQuotaPrivilege	4456	wmic.exe
Token: SeSecurityPrivilege	4456	wmic.exe
Token: SeTakeOwnershipPrivilege	4456	wmic.exe
Token: SeLoadDriverPrivilege	4456	wmic.exe
Token: SeSystemProfilePrivilege	4456	wmic.exe
Token: SeSystemtimePrivilege	4456	wmic.exe
Token: SeProfSingleProcessPrivilege	4456	wmic.exe
Token: SeIncBasePriorityPrivilege	4456	wmic.exe
Token: SeCreatePagefilePrivilege	4456	wmic.exe
Token: SeBackupPrivilege	4456	wmic.exe
Token: SeRestorePrivilege	4456	wmic.exe
Token: SeShutdownPrivilege	4456	wmic.exe
Token: SeDebugPrivilege	4456	wmic.exe
Token: SeSystemEnvironmentPrivilege	4456	wmic.exe
Token: SeRemoteShutdownPrivilege	4456	wmic.exe
Token: SeUndockPrivilege	4456	wmic.exe
Token: SeManageVolumePrivilege	4456	wmic.exe
Token: 33	4456	wmic.exe
Token: 34	4456	wmic.exe
Token: 35	4456	wmic.exe
Token: 36	4456	wmic.exe
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeDebugPrivilege	4840	powershell.exe
Token: SeDebugPrivilege	1716	powershell.exe
Token: SeDebugPrivilege	1832	powershell.exe
Token: SeIncreaseQuotaPrivilege	2300	wmic.exe
Token: SeSecurityPrivilege	2300	wmic.exe
Token: SeTakeOwnershipPrivilege	2300	wmic.exe
Token: SeLoadDriverPrivilege	2300	wmic.exe
Token: SeSystemProfilePrivilege	2300	wmic.exe
Token: SeSystemtimePrivilege	2300	wmic.exe
Token: SeProfSingleProcessPrivilege	2300	wmic.exe
Token: SeIncBasePriorityPrivilege	2300	wmic.exe
Token: SeCreatePagefilePrivilege	2300	wmic.exe
Token: SeBackupPrivilege	2300	wmic.exe
Token: SeRestorePrivilege	2300	wmic.exe
Token: SeShutdownPrivilege	2300	wmic.exe
Token: SeDebugPrivilege	2300	wmic.exe
Token: SeSystemEnvironmentPrivilege	2300	wmic.exe
Token: SeRemoteShutdownPrivilege	2300	wmic.exe
Token: SeUndockPrivilege	2300	wmic.exe
Token: SeManageVolumePrivilege	2300	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 4456	656	Neverlose.exe	86
PID 656 wrote to memory of 4456	656	Neverlose.exe	86
PID 656 wrote to memory of 3116	656	Neverlose.exe	90
PID 656 wrote to memory of 3116	656	Neverlose.exe	90
PID 656 wrote to memory of 3344	656	Neverlose.exe	92
PID 656 wrote to memory of 3344	656	Neverlose.exe	92
PID 656 wrote to memory of 4840	656	Neverlose.exe	94
PID 656 wrote to memory of 4840	656	Neverlose.exe	94
PID 656 wrote to memory of 1716	656	Neverlose.exe	96
PID 656 wrote to memory of 1716	656	Neverlose.exe	96
PID 656 wrote to memory of 1832	656	Neverlose.exe	98
PID 656 wrote to memory of 1832	656	Neverlose.exe	98
PID 656 wrote to memory of 2300	656	Neverlose.exe	102
PID 656 wrote to memory of 2300	656	Neverlose.exe	102
PID 656 wrote to memory of 5044	656	Neverlose.exe	104
PID 656 wrote to memory of 5044	656	Neverlose.exe	104
PID 656 wrote to memory of 2652	656	Neverlose.exe	106
PID 656 wrote to memory of 2652	656	Neverlose.exe	106
PID 656 wrote to memory of 4552	656	Neverlose.exe	108
PID 656 wrote to memory of 4552	656	Neverlose.exe	108
PID 656 wrote to memory of 4072	656	Neverlose.exe	111
PID 656 wrote to memory of 4072	656	Neverlose.exe	111
PID 656 wrote to memory of 4244	656	Neverlose.exe	113
PID 656 wrote to memory of 4244	656	Neverlose.exe	113
PID 4244 wrote to memory of 4992	4244	cmd.exe	115
PID 4244 wrote to memory of 4992	4244	cmd.exe	115

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3116	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:656
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4456
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"
  2⤵
  - Views/modifies file attributes
  PID:3116
- 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:3344
- 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:4840
- 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:1716
- 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:1832
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:5044
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2652
- 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:4552
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4072
- 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:4244
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4992

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
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
948B

MD5
c9b6705519e1eef08f86c4ba5f4286f3

SHA1
6c6b179e452ecee2673a1d4fe128f1c06f70577f

SHA256
0f9cad44a79126871580e19b01dc3f880c5173b1faaf8b9018d5d1f829714705

SHA512
6d8f85a7a8b0b124530f36a157cd0441b5c1eacdc35e274af9fbf0569d03d1d5e468651a5b2425f0215c282ecfa7b1ffeaeeaf18612822f00bd14306d30640c7

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

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

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

Filesize
1KB

MD5
d8a781a8d47e148c742681deaa63ac8d

SHA1
49594c22cc6183605b96b715a0c00c1bf1bbb468

SHA256
994622f9d048bce32fd23dec62a532b965883a169722f36ce72a639e29b8303c

SHA512
f32989be9a903764c4ed3b8ab4e61a677ca4d37031200530164d192c25c269143cb127a73380ea0d88ac81f1a3a7c141d77fbd74c211c9d969bf2af9202e7fbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lzzki0dg.fb3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/656-72-0x0000019436000000-0x0000019436012000-memory.dmp

Filesize
72KB

Download
memory/656-35-0x000001941D480000-0x000001941D49E000-memory.dmp

Filesize
120KB

Download
memory/656-90-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/656-71-0x0000019435C90000-0x0000019435C9A000-memory.dmp

Filesize
40KB

Download
memory/656-2-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/656-34-0x0000019435CD0000-0x0000019435D20000-memory.dmp

Filesize
320KB

Download
memory/656-33-0x0000019435F80000-0x0000019435FF6000-memory.dmp

Filesize
472KB

Download
memory/656-0-0x00007FFC9A043000-0x00007FFC9A045000-memory.dmp

Filesize
8KB

Download
memory/656-1-0x000001941B7F0000-0x000001941B830000-memory.dmp

Filesize
256KB

Download
memory/3344-15-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/3344-3-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/3344-10-0x0000019D33A30000-0x0000019D33A52000-memory.dmp

Filesize
136KB

Download
memory/3344-14-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download
memory/3344-18-0x00007FFC9A040000-0x00007FFC9AB01000-memory.dmp

Filesize
10.8MB

Download