umbral | 80956000711342bc2f819b573fd213112a43ea9e7b9102fadd3cbae4873cea65

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
behavioral1/memory/2504-1-0x0000000000130000-0x0000000000170000-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
2148	powershell.exe
2708	powershell.exe
2376	powershell.exe
1936	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

Deletes itself 1 IoCs

pid	Process
2072	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

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
6	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
2072	cmd.exe
2256	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2836	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2256	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2504	ArdourLoader2.0.exe
2148	powershell.exe
2708	powershell.exe
2376	powershell.exe
3012	powershell.exe
1936	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	ArdourLoader2.0.exe
Token: SeIncreaseQuotaPrivilege	2084	wmic.exe
Token: SeSecurityPrivilege	2084	wmic.exe
Token: SeTakeOwnershipPrivilege	2084	wmic.exe
Token: SeLoadDriverPrivilege	2084	wmic.exe
Token: SeSystemProfilePrivilege	2084	wmic.exe
Token: SeSystemtimePrivilege	2084	wmic.exe
Token: SeProfSingleProcessPrivilege	2084	wmic.exe
Token: SeIncBasePriorityPrivilege	2084	wmic.exe
Token: SeCreatePagefilePrivilege	2084	wmic.exe
Token: SeBackupPrivilege	2084	wmic.exe
Token: SeRestorePrivilege	2084	wmic.exe
Token: SeShutdownPrivilege	2084	wmic.exe
Token: SeDebugPrivilege	2084	wmic.exe
Token: SeSystemEnvironmentPrivilege	2084	wmic.exe
Token: SeRemoteShutdownPrivilege	2084	wmic.exe
Token: SeUndockPrivilege	2084	wmic.exe
Token: SeManageVolumePrivilege	2084	wmic.exe
Token: 33	2084	wmic.exe
Token: 34	2084	wmic.exe
Token: 35	2084	wmic.exe
Token: SeIncreaseQuotaPrivilege	2084	wmic.exe
Token: SeSecurityPrivilege	2084	wmic.exe
Token: SeTakeOwnershipPrivilege	2084	wmic.exe
Token: SeLoadDriverPrivilege	2084	wmic.exe
Token: SeSystemProfilePrivilege	2084	wmic.exe
Token: SeSystemtimePrivilege	2084	wmic.exe
Token: SeProfSingleProcessPrivilege	2084	wmic.exe
Token: SeIncBasePriorityPrivilege	2084	wmic.exe
Token: SeCreatePagefilePrivilege	2084	wmic.exe
Token: SeBackupPrivilege	2084	wmic.exe
Token: SeRestorePrivilege	2084	wmic.exe
Token: SeShutdownPrivilege	2084	wmic.exe
Token: SeDebugPrivilege	2084	wmic.exe
Token: SeSystemEnvironmentPrivilege	2084	wmic.exe
Token: SeRemoteShutdownPrivilege	2084	wmic.exe
Token: SeUndockPrivilege	2084	wmic.exe
Token: SeManageVolumePrivilege	2084	wmic.exe
Token: 33	2084	wmic.exe
Token: 34	2084	wmic.exe
Token: 35	2084	wmic.exe
Token: SeDebugPrivilege	2148	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	3012	powershell.exe
Token: SeIncreaseQuotaPrivilege	884	wmic.exe
Token: SeSecurityPrivilege	884	wmic.exe
Token: SeTakeOwnershipPrivilege	884	wmic.exe
Token: SeLoadDriverPrivilege	884	wmic.exe
Token: SeSystemProfilePrivilege	884	wmic.exe
Token: SeSystemtimePrivilege	884	wmic.exe
Token: SeProfSingleProcessPrivilege	884	wmic.exe
Token: SeIncBasePriorityPrivilege	884	wmic.exe
Token: SeCreatePagefilePrivilege	884	wmic.exe
Token: SeBackupPrivilege	884	wmic.exe
Token: SeRestorePrivilege	884	wmic.exe
Token: SeShutdownPrivilege	884	wmic.exe
Token: SeDebugPrivilege	884	wmic.exe
Token: SeSystemEnvironmentPrivilege	884	wmic.exe
Token: SeRemoteShutdownPrivilege	884	wmic.exe
Token: SeUndockPrivilege	884	wmic.exe
Token: SeManageVolumePrivilege	884	wmic.exe
Token: 33	884	wmic.exe
Token: 34	884	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2084	2504	ArdourLoader2.0.exe	30
PID 2504 wrote to memory of 2084	2504	ArdourLoader2.0.exe	30
PID 2504 wrote to memory of 2084	2504	ArdourLoader2.0.exe	30
PID 2504 wrote to memory of 592	2504	ArdourLoader2.0.exe	33
PID 2504 wrote to memory of 592	2504	ArdourLoader2.0.exe	33
PID 2504 wrote to memory of 592	2504	ArdourLoader2.0.exe	33
PID 2504 wrote to memory of 2148	2504	ArdourLoader2.0.exe	35
PID 2504 wrote to memory of 2148	2504	ArdourLoader2.0.exe	35
PID 2504 wrote to memory of 2148	2504	ArdourLoader2.0.exe	35
PID 2504 wrote to memory of 2708	2504	ArdourLoader2.0.exe	37
PID 2504 wrote to memory of 2708	2504	ArdourLoader2.0.exe	37
PID 2504 wrote to memory of 2708	2504	ArdourLoader2.0.exe	37
PID 2504 wrote to memory of 2376	2504	ArdourLoader2.0.exe	39
PID 2504 wrote to memory of 2376	2504	ArdourLoader2.0.exe	39
PID 2504 wrote to memory of 2376	2504	ArdourLoader2.0.exe	39
PID 2504 wrote to memory of 3012	2504	ArdourLoader2.0.exe	41
PID 2504 wrote to memory of 3012	2504	ArdourLoader2.0.exe	41
PID 2504 wrote to memory of 3012	2504	ArdourLoader2.0.exe	41
PID 2504 wrote to memory of 884	2504	ArdourLoader2.0.exe	44
PID 2504 wrote to memory of 884	2504	ArdourLoader2.0.exe	44
PID 2504 wrote to memory of 884	2504	ArdourLoader2.0.exe	44
PID 2504 wrote to memory of 1208	2504	ArdourLoader2.0.exe	46
PID 2504 wrote to memory of 1208	2504	ArdourLoader2.0.exe	46
PID 2504 wrote to memory of 1208	2504	ArdourLoader2.0.exe	46
PID 2504 wrote to memory of 828	2504	ArdourLoader2.0.exe	48
PID 2504 wrote to memory of 828	2504	ArdourLoader2.0.exe	48
PID 2504 wrote to memory of 828	2504	ArdourLoader2.0.exe	48
PID 2504 wrote to memory of 1936	2504	ArdourLoader2.0.exe	50
PID 2504 wrote to memory of 1936	2504	ArdourLoader2.0.exe	50
PID 2504 wrote to memory of 1936	2504	ArdourLoader2.0.exe	50
PID 2504 wrote to memory of 2836	2504	ArdourLoader2.0.exe	52
PID 2504 wrote to memory of 2836	2504	ArdourLoader2.0.exe	52
PID 2504 wrote to memory of 2836	2504	ArdourLoader2.0.exe	52
PID 2504 wrote to memory of 2072	2504	ArdourLoader2.0.exe	54
PID 2504 wrote to memory of 2072	2504	ArdourLoader2.0.exe	54
PID 2504 wrote to memory of 2072	2504	ArdourLoader2.0.exe	54
PID 2072 wrote to memory of 2256	2072	cmd.exe	56
PID 2072 wrote to memory of 2256	2072	cmd.exe	56
PID 2072 wrote to memory of 2256	2072	cmd.exe	56

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
592	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:2504
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2084
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\ArdourLoader2.0.exe"
  2⤵
  - Views/modifies file attributes
  PID:592
- 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:2148
- 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:2708
- 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:2376
- 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:3012
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:884
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1208
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:828
- 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:1936
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2836
- 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⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2256

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\3HCQQASQZEQPF1YLFWAD.temp

Filesize
7KB

MD5
41e6100e480a53123b3aabe85e03e338

SHA1
0ef66810c9e122d6b851df12bf6d4c10f4cd06f3

SHA256
0ea72f1417d07e8a1db9642c97f5f381a5cc1310c4ece6c21d84187c5c4a6079

SHA512
91be17acfd958de76e9745dfd0220011e54a9ec6dea09a813d321a3a47f18367cb5d36568ba7dd36682f461db1800da97c82e7353c16332cec3448ae1b5f33d5

Download Submit
memory/1936-44-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download
memory/2148-7-0x000000001B670000-0x000000001B952000-memory.dmp

Filesize
2.9MB

Download
memory/2148-8-0x0000000002920000-0x0000000002928000-memory.dmp

Filesize
32KB

Download
memory/2504-0-0x000007FEF5EC3000-0x000007FEF5EC4000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000000130000-0x0000000000170000-memory.dmp

Filesize
256KB

Download
memory/2504-2-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2504-48-0x000007FEF5EC0000-0x000007FEF68AC000-memory.dmp

Filesize
9.9MB

Download
memory/2708-15-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/2708-14-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download