umbral | 80956000711342bc2f819b573fd213112a43ea9e7b9102fadd3cbae4873cea65

Analysis

max time kernel
16s
max time network
19s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 17:43

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General

Target

ArdourLoader2.0.exe
Size

227KB
MD5

6bd0ba296a6ae59391e85a77615df0bf
SHA1

17d4a89b75d2851783bd12bbfa4ac14d37d62d4e
SHA256

80956000711342bc2f819b573fd213112a43ea9e7b9102fadd3cbae4873cea65
SHA512

ce974bba87089fffdf266f94cbc48c5a3bc2e80b70b595be026ebccc62af7302fddd518687fe4883706caae9412c0d8c2faa2e3348f75f30ec38a38254868930
SSDEEP

6144:+loZM3fsXtioRkts/cnnK6cMlD/WQCg/7ImR0STTKejb8e1mJi:ooZ1tlRk83MlD/WQCg/7ImR0STTKw/

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2540-1-0x00000223175F0000-0x0000022317630000-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
640	powershell.exe
4728	powershell.exe
3604	powershell.exe
2716	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	ArdourLoader2.0.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

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
1744	cmd.exe
1560	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2064	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1560	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2540	ArdourLoader2.0.exe
640	powershell.exe
640	powershell.exe
4728	powershell.exe
4728	powershell.exe
3604	powershell.exe
3604	powershell.exe
1360	powershell.exe
1360	powershell.exe
2716	powershell.exe
2716	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	ArdourLoader2.0.exe
Token: SeIncreaseQuotaPrivilege	212	wmic.exe
Token: SeSecurityPrivilege	212	wmic.exe
Token: SeTakeOwnershipPrivilege	212	wmic.exe
Token: SeLoadDriverPrivilege	212	wmic.exe
Token: SeSystemProfilePrivilege	212	wmic.exe
Token: SeSystemtimePrivilege	212	wmic.exe
Token: SeProfSingleProcessPrivilege	212	wmic.exe
Token: SeIncBasePriorityPrivilege	212	wmic.exe
Token: SeCreatePagefilePrivilege	212	wmic.exe
Token: SeBackupPrivilege	212	wmic.exe
Token: SeRestorePrivilege	212	wmic.exe
Token: SeShutdownPrivilege	212	wmic.exe
Token: SeDebugPrivilege	212	wmic.exe
Token: SeSystemEnvironmentPrivilege	212	wmic.exe
Token: SeRemoteShutdownPrivilege	212	wmic.exe
Token: SeUndockPrivilege	212	wmic.exe
Token: SeManageVolumePrivilege	212	wmic.exe
Token: 33	212	wmic.exe
Token: 34	212	wmic.exe
Token: 35	212	wmic.exe
Token: 36	212	wmic.exe
Token: SeIncreaseQuotaPrivilege	212	wmic.exe
Token: SeSecurityPrivilege	212	wmic.exe
Token: SeTakeOwnershipPrivilege	212	wmic.exe
Token: SeLoadDriverPrivilege	212	wmic.exe
Token: SeSystemProfilePrivilege	212	wmic.exe
Token: SeSystemtimePrivilege	212	wmic.exe
Token: SeProfSingleProcessPrivilege	212	wmic.exe
Token: SeIncBasePriorityPrivilege	212	wmic.exe
Token: SeCreatePagefilePrivilege	212	wmic.exe
Token: SeBackupPrivilege	212	wmic.exe
Token: SeRestorePrivilege	212	wmic.exe
Token: SeShutdownPrivilege	212	wmic.exe
Token: SeDebugPrivilege	212	wmic.exe
Token: SeSystemEnvironmentPrivilege	212	wmic.exe
Token: SeRemoteShutdownPrivilege	212	wmic.exe
Token: SeUndockPrivilege	212	wmic.exe
Token: SeManageVolumePrivilege	212	wmic.exe
Token: 33	212	wmic.exe
Token: 34	212	wmic.exe
Token: 35	212	wmic.exe
Token: 36	212	wmic.exe
Token: SeDebugPrivilege	640	powershell.exe
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	3604	powershell.exe
Token: SeDebugPrivilege	1360	powershell.exe
Token: SeIncreaseQuotaPrivilege	4276	wmic.exe
Token: SeSecurityPrivilege	4276	wmic.exe
Token: SeTakeOwnershipPrivilege	4276	wmic.exe
Token: SeLoadDriverPrivilege	4276	wmic.exe
Token: SeSystemProfilePrivilege	4276	wmic.exe
Token: SeSystemtimePrivilege	4276	wmic.exe
Token: SeProfSingleProcessPrivilege	4276	wmic.exe
Token: SeIncBasePriorityPrivilege	4276	wmic.exe
Token: SeCreatePagefilePrivilege	4276	wmic.exe
Token: SeBackupPrivilege	4276	wmic.exe
Token: SeRestorePrivilege	4276	wmic.exe
Token: SeShutdownPrivilege	4276	wmic.exe
Token: SeDebugPrivilege	4276	wmic.exe
Token: SeSystemEnvironmentPrivilege	4276	wmic.exe
Token: SeRemoteShutdownPrivilege	4276	wmic.exe
Token: SeUndockPrivilege	4276	wmic.exe
Token: SeManageVolumePrivilege	4276	wmic.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 212	2540	ArdourLoader2.0.exe	85
PID 2540 wrote to memory of 212	2540	ArdourLoader2.0.exe	85
PID 2540 wrote to memory of 4832	2540	ArdourLoader2.0.exe	88
PID 2540 wrote to memory of 4832	2540	ArdourLoader2.0.exe	88
PID 2540 wrote to memory of 640	2540	ArdourLoader2.0.exe	90
PID 2540 wrote to memory of 640	2540	ArdourLoader2.0.exe	90
PID 2540 wrote to memory of 4728	2540	ArdourLoader2.0.exe	92
PID 2540 wrote to memory of 4728	2540	ArdourLoader2.0.exe	92
PID 2540 wrote to memory of 3604	2540	ArdourLoader2.0.exe	94
PID 2540 wrote to memory of 3604	2540	ArdourLoader2.0.exe	94
PID 2540 wrote to memory of 1360	2540	ArdourLoader2.0.exe	96
PID 2540 wrote to memory of 1360	2540	ArdourLoader2.0.exe	96
PID 2540 wrote to memory of 4276	2540	ArdourLoader2.0.exe	101
PID 2540 wrote to memory of 4276	2540	ArdourLoader2.0.exe	101
PID 2540 wrote to memory of 3980	2540	ArdourLoader2.0.exe	103
PID 2540 wrote to memory of 3980	2540	ArdourLoader2.0.exe	103
PID 2540 wrote to memory of 512	2540	ArdourLoader2.0.exe	105
PID 2540 wrote to memory of 512	2540	ArdourLoader2.0.exe	105
PID 2540 wrote to memory of 2716	2540	ArdourLoader2.0.exe	109
PID 2540 wrote to memory of 2716	2540	ArdourLoader2.0.exe	109
PID 2540 wrote to memory of 2064	2540	ArdourLoader2.0.exe	111
PID 2540 wrote to memory of 2064	2540	ArdourLoader2.0.exe	111
PID 2540 wrote to memory of 1744	2540	ArdourLoader2.0.exe	114
PID 2540 wrote to memory of 1744	2540	ArdourLoader2.0.exe	114

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4832	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ArdourLoader2.0.exe
"C:\Users\Admin\AppData\Local\Temp\ArdourLoader2.0.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:212
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\ArdourLoader2.0.exe"
  2⤵
  - Views/modifies file attributes
  PID:4832
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ArdourLoader2.0.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:640
- 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:4728
- 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:3604
- 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:1360
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4276
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:3980
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:512
- 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:2716
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2064
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\ArdourLoader2.0.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:1744
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1560

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

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
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
948B

MD5
e39f73bcd55c85b1afa3d6230c19f25b

SHA1
372db1549c65731ad7ce6e964b6d09f4143084c0

SHA256
c51f4a7b15f37a46fa88e1cb6885215b7736c73fcf090f1a6deccefb09b322dd

SHA512
5ab413048109dc269b160aa4a40b51f3ba7bf9af06d7fea171275e0ea68728b268daadec7b88d0e1dd0589beb19392b3b80f3feebcc5ae5d1be96c02e073df73

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
6317adf4fbc43ea2fd68861fafd57155

SHA1
6b87c718893c83c6eed2767e8d9cbc6443e31913

SHA256
c1ead17eef37b4b461cedc276504a441489e819c7f943037f2001966aeec90af

SHA512
17229aae8622e4bfc3caaac55684f7d4ccd3162af5919c851b1d8ac4060b6bb7b75044ecee116523d05acb55197dcb60780958f629450edef386f1e6f65f49f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zn4r3wdg.ucp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/640-4-0x00007FFBF2D00000-0x00007FFBF37C1000-memory.dmp

Filesize
10.8MB

Download
memory/640-10-0x000001D9B1C70000-0x000001D9B1C92000-memory.dmp

Filesize
136KB

Download
memory/640-15-0x00007FFBF2D00000-0x00007FFBF37C1000-memory.dmp

Filesize
10.8MB

Download
memory/640-18-0x00007FFBF2D00000-0x00007FFBF37C1000-memory.dmp

Filesize
10.8MB

Download
memory/640-3-0x00007FFBF2D00000-0x00007FFBF37C1000-memory.dmp

Filesize
10.8MB

Download
memory/2540-34-0x0000022331D10000-0x0000022331D60000-memory.dmp

Filesize
320KB

Download
memory/2540-33-0x0000022331D90000-0x0000022331E06000-memory.dmp

Filesize
472KB

Download
memory/2540-35-0x0000022331D60000-0x0000022331D7E000-memory.dmp

Filesize
120KB

Download
memory/2540-1-0x00000223175F0000-0x0000022317630000-memory.dmp

Filesize
256KB

Download
memory/2540-0-0x00007FFBF2D03000-0x00007FFBF2D05000-memory.dmp

Filesize
8KB

Download
memory/2540-72-0x0000022331A70000-0x0000022331A7A000-memory.dmp

Filesize
40KB

Download
memory/2540-73-0x0000022331F10000-0x0000022331F22000-memory.dmp

Filesize
72KB

Download
memory/2540-2-0x00007FFBF2D00000-0x00007FFBF37C1000-memory.dmp

Filesize
10.8MB

Download
memory/2540-89-0x00007FFBF2D03000-0x00007FFBF2D05000-memory.dmp

Filesize
8KB

Download
memory/2540-94-0x00007FFBF2D00000-0x00007FFBF37C1000-memory.dmp

Filesize
10.8MB

Download