umbral | b8424fd3619e6f314a87799a2623a6717c57a4014842a6d9a528a88b4f56aceb

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 01:47

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General

Target

df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
Size

870KB
MD5

bea28a1e680f8b8053e64c8810dad71e
SHA1

8464a9aeaa3a290c9a027484a5b6e1759e9eb0e8
SHA256

df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0
SHA512

b22641529e6e642f852bc43534d49c7bc47668a432edcd3f67f4a879c77aa0e92e1ce259fb41773ba15f0a70396fe031b1073320bc95812fd3fdd2a231caa669
SSDEEP

12288:47wITbhKx7WQeu3D9FPJXOmQ+qO39WoCuwTvk83uRCS26qH3OqtwIulkyF3SkH:4EITMvRFhRRbNWoCfkYSEH3OqtwIuX

Score

10^/10

umbral xworm discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

build-what.gl.at.ply.gg:10272

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023cba-35.dat	family_umbral
behavioral2/memory/2560-46-0x00000174BA5B0000-0x00000174BA5F0000-memory.dmp	family_umbral

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023cbb-31.dat	family_xworm
behavioral2/memory/3908-53-0x0000000000600000-0x0000000000618000-memory.dmp	family_xworm

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 9 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
1448	powershell.exe
2520	powershell.exe
3880	powershell.exe
1272	powershell.exe
2740	powershell.exe
640	powershell.exe
4524	powershell.exe
2256	powershell.exe
432	powershell.exe

Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

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

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	AyoStandard.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Update Service.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	Update Service.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	Update Service.exe

Executes dropped EXE 6 IoCs

pid	Process
5108	AyoStandard.exe
3908	Update Service.exe
2560	Umbral.exe
3380	Umbral.exe
1088	svchost.exe
1120	svchost.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	Update Service.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
35	raw.githubusercontent.com
36	raw.githubusercontent.com
16	raw.githubusercontent.com
17	raw.githubusercontent.com
34	raw.githubusercontent.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
40	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
2516	cmd.exe
4960	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2916	wmic.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4960	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4944	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
4944	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
5108	AyoStandard.exe
1448	powershell.exe
1448	powershell.exe
1448	powershell.exe
3880	powershell.exe
3880	powershell.exe
5108	AyoStandard.exe
4524	powershell.exe
4524	powershell.exe
2256	powershell.exe
2256	powershell.exe
3636	powershell.exe
3636	powershell.exe
1272	powershell.exe
1272	powershell.exe
1272	powershell.exe
2740	powershell.exe
2740	powershell.exe
2740	powershell.exe
640	powershell.exe
640	powershell.exe
640	powershell.exe
432	powershell.exe
432	powershell.exe
432	powershell.exe
2520	powershell.exe
2520	powershell.exe
2520	powershell.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
3908	Update Service.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe
5108	AyoStandard.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4944	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
Token: SeDebugPrivilege	5108	AyoStandard.exe
Token: SeDebugPrivilege	1448	powershell.exe
Token: SeDebugPrivilege	2560	Umbral.exe
Token: SeDebugPrivilege	3908	Update Service.exe
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeDebugPrivilege	4524	powershell.exe
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	3636	powershell.exe
Token: SeDebugPrivilege	1272	powershell.exe
Token: SeIncreaseQuotaPrivilege	2132	wmic.exe
Token: SeSecurityPrivilege	2132	wmic.exe
Token: SeTakeOwnershipPrivilege	2132	wmic.exe
Token: SeLoadDriverPrivilege	2132	wmic.exe
Token: SeSystemProfilePrivilege	2132	wmic.exe
Token: SeSystemtimePrivilege	2132	wmic.exe
Token: SeProfSingleProcessPrivilege	2132	wmic.exe
Token: SeIncBasePriorityPrivilege	2132	wmic.exe
Token: SeCreatePagefilePrivilege	2132	wmic.exe
Token: SeBackupPrivilege	2132	wmic.exe
Token: SeRestorePrivilege	2132	wmic.exe
Token: SeShutdownPrivilege	2132	wmic.exe
Token: SeDebugPrivilege	2132	wmic.exe
Token: SeSystemEnvironmentPrivilege	2132	wmic.exe
Token: SeRemoteShutdownPrivilege	2132	wmic.exe
Token: SeUndockPrivilege	2132	wmic.exe
Token: SeManageVolumePrivilege	2132	wmic.exe
Token: 33	2132	wmic.exe
Token: 34	2132	wmic.exe
Token: 35	2132	wmic.exe
Token: 36	2132	wmic.exe
Token: SeIncreaseQuotaPrivilege	2132	wmic.exe
Token: SeSecurityPrivilege	2132	wmic.exe
Token: SeTakeOwnershipPrivilege	2132	wmic.exe
Token: SeLoadDriverPrivilege	2132	wmic.exe
Token: SeSystemProfilePrivilege	2132	wmic.exe
Token: SeSystemtimePrivilege	2132	wmic.exe
Token: SeProfSingleProcessPrivilege	2132	wmic.exe
Token: SeIncBasePriorityPrivilege	2132	wmic.exe
Token: SeCreatePagefilePrivilege	2132	wmic.exe
Token: SeBackupPrivilege	2132	wmic.exe
Token: SeRestorePrivilege	2132	wmic.exe
Token: SeShutdownPrivilege	2132	wmic.exe
Token: SeDebugPrivilege	2132	wmic.exe
Token: SeSystemEnvironmentPrivilege	2132	wmic.exe
Token: SeRemoteShutdownPrivilege	2132	wmic.exe
Token: SeUndockPrivilege	2132	wmic.exe
Token: SeManageVolumePrivilege	2132	wmic.exe
Token: 33	2132	wmic.exe
Token: 34	2132	wmic.exe
Token: 35	2132	wmic.exe
Token: 36	2132	wmic.exe
Token: SeIncreaseQuotaPrivilege	1508	wmic.exe
Token: SeSecurityPrivilege	1508	wmic.exe
Token: SeTakeOwnershipPrivilege	1508	wmic.exe
Token: SeLoadDriverPrivilege	1508	wmic.exe
Token: SeSystemProfilePrivilege	1508	wmic.exe
Token: SeSystemtimePrivilege	1508	wmic.exe
Token: SeProfSingleProcessPrivilege	1508	wmic.exe
Token: SeIncBasePriorityPrivilege	1508	wmic.exe
Token: SeCreatePagefilePrivilege	1508	wmic.exe
Token: SeBackupPrivilege	1508	wmic.exe
Token: SeRestorePrivilege	1508	wmic.exe
Token: SeShutdownPrivilege	1508	wmic.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3908	Update Service.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 5108	4944	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe	87
PID 4944 wrote to memory of 5108	4944	df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe	87
PID 5108 wrote to memory of 1448	5108	AyoStandard.exe	92
PID 5108 wrote to memory of 1448	5108	AyoStandard.exe	92
PID 5108 wrote to memory of 3908	5108	AyoStandard.exe	94
PID 5108 wrote to memory of 3908	5108	AyoStandard.exe	94
PID 5108 wrote to memory of 2560	5108	AyoStandard.exe	95
PID 5108 wrote to memory of 2560	5108	AyoStandard.exe	95
PID 1448 wrote to memory of 3380	1448	powershell.exe	96
PID 1448 wrote to memory of 3380	1448	powershell.exe	96
PID 2560 wrote to memory of 2524	2560	Umbral.exe	97
PID 2560 wrote to memory of 2524	2560	Umbral.exe	97
PID 2560 wrote to memory of 3880	2560	Umbral.exe	99
PID 2560 wrote to memory of 3880	2560	Umbral.exe	99
PID 2560 wrote to memory of 4524	2560	Umbral.exe	101
PID 2560 wrote to memory of 4524	2560	Umbral.exe	101
PID 2560 wrote to memory of 2256	2560	Umbral.exe	104
PID 2560 wrote to memory of 2256	2560	Umbral.exe	104
PID 2560 wrote to memory of 3636	2560	Umbral.exe	106
PID 2560 wrote to memory of 3636	2560	Umbral.exe	106
PID 3908 wrote to memory of 1272	3908	Update Service.exe	108
PID 3908 wrote to memory of 1272	3908	Update Service.exe	108
PID 2560 wrote to memory of 2132	2560	Umbral.exe	110
PID 2560 wrote to memory of 2132	2560	Umbral.exe	110
PID 3908 wrote to memory of 2740	3908	Update Service.exe	112
PID 3908 wrote to memory of 2740	3908	Update Service.exe	112
PID 2560 wrote to memory of 1508	2560	Umbral.exe	114
PID 2560 wrote to memory of 1508	2560	Umbral.exe	114
PID 2560 wrote to memory of 1056	2560	Umbral.exe	116
PID 2560 wrote to memory of 1056	2560	Umbral.exe	116
PID 3908 wrote to memory of 640	3908	Update Service.exe	118
PID 3908 wrote to memory of 640	3908	Update Service.exe	118
PID 2560 wrote to memory of 432	2560	Umbral.exe	120
PID 2560 wrote to memory of 432	2560	Umbral.exe	120
PID 3908 wrote to memory of 2520	3908	Update Service.exe	122
PID 3908 wrote to memory of 2520	3908	Update Service.exe	122
PID 2560 wrote to memory of 2916	2560	Umbral.exe	124
PID 2560 wrote to memory of 2916	2560	Umbral.exe	124
PID 3908 wrote to memory of 1808	3908	Update Service.exe	127
PID 3908 wrote to memory of 1808	3908	Update Service.exe	127
PID 2560 wrote to memory of 2516	2560	Umbral.exe	129
PID 2560 wrote to memory of 2516	2560	Umbral.exe	129
PID 2516 wrote to memory of 4960	2516	cmd.exe	131
PID 2516 wrote to memory of 4960	2516	cmd.exe	131

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2524	attrib.exe

C:\Users\Admin\AppData\Local\Temp\df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe
"C:\Users\Admin\AppData\Local\Temp\df8227c17eee7cc65a3ff5244c073d4e072ee864100b2a293c0ef54e9b5b3ee0.exe"
1⤵
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\AyoStandard.exe
  "C:\Users\Admin\AppData\Local\AyoStandard.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5108
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" -command "& {Start-Process -FilePath 'C:\Windows\Temp\Umbral.exe' -Verb RunAs}"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1448
  - - C:\Windows\Temp\Umbral.exe
      "C:\Windows\Temp\Umbral.exe"
      4⤵
      Executes dropped EXE
      PID:3380
- - C:\Users\Admin\AppData\Local\Update Service.exe
    "C:\Users\Admin\AppData\Local\Update Service.exe"
    3⤵
    - Checks computer location settings
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3908
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Update Service.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1272
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update Service.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:2740
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:640
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:2520
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1808
- - C:\Users\Admin\AppData\Local\Umbral.exe
    "C:\Users\Admin\AppData\Local\Umbral.exe"
    3⤵
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2560
  - - C:\Windows\SYSTEM32\attrib.exe
      "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Umbral.exe"
      4⤵
      Views/modifies file attributes
      PID:2524
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Umbral.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3880
  - - 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
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4524
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2256
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3636
  - - C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2132
  - - C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1508
  - - C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      4⤵
      PID:1056
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:432
  - - C:\Windows\System32\Wbem\wmic.exe
      "wmic" path win32_VideoController get name
      4⤵
      Detects videocard installed
      PID:2916
  - - C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Umbral.exe" && pause
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2516
    - - C:\Windows\system32\PING.EXE
        
        ping localhost
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:4960

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
PID:1088

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
PID:1120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

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

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Downloads

C:\Users\Admin\AppData\Local\AyoStandard.exe

Filesize
9.9MB

MD5
248fbfb247664cd19804f7e69f0d9f7d

SHA1
f36e218ce7f7eaf8fc5a39d1cccc1125a1249266

SHA256
6209a4f84c4d423a5ed048595ab8fa33e8354363ea69000dcb2887e6a5264695

SHA512
6621f2c2e17b29aee8076e217647bf9efed8e2c0148d3f054cdf70232569820d600468213a9c77e4dd296cfba3b936f2dfc298538ea4d83f579194b572fb9b65

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Umbral.exe.log

Filesize
1KB

MD5
4c8fa14eeeeda6fe76a08d14e08bf756

SHA1
30003b6798090ec74eb477bbed88e086f8552976

SHA256
7ebfcfca64b0c1c9f0949652d50a64452b35cefe881af110405cd6ec45f857a5

SHA512
116f80182c25cf0e6159cf59a35ee27d66e431696d29ec879c44521a74ab7523cbfdefeacfb6a3298b48788d7a6caa5336628ec9c1d8b9c9723338dcffea4116

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

Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
948B

MD5
60e10be2cf4c923b4c11e353a972b9df

SHA1
7ece5dd0ad060732f4797c78f2b201d4a5f8dd24

SHA256
3284c7f1908551d127043dee22cfd643f58809ae4c684a3b9965022a4c6558b3

SHA512
20b39c897ebd15887264819a83b215c1288c77c75d304e0e8d9003c46cbabc71b0d3ec5109b39c120babacb99a963c8244e569546871595c3d515b22de86a7a7

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

Filesize
1KB

MD5
2a75c2057536d71d287d7cefff04eec3

SHA1
c61131dee25db97244118daaf982c0bd1389b8b4

SHA256
93cf99b87df289b80cc8be11623fbb0b09812f2dcee9986e76cedb188ca942a0

SHA512
1d8877aeade86757fb7d37b54abf27e8d6579a7a51bcbba549bcfd0c66a2b4383ab7f34eb4621c031262df4e5266332e1427f64af268922e24c24ed9ca94f150

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

Filesize
1KB

MD5
950555d1073918e9d86a2df429089a6b

SHA1
b9faade8f97fd0e21b51ccbf5942bb6995a108fa

SHA256
cc110b09eab6c53c011913c20650e977a53a05c5615d7e25459ca64e1338a74e

SHA512
327262f6d085f5ed1ac2b1d22a096df46e36245eb4805f846506dfb335929d3651a3fa616661a392de4b6bdc4bdb30629b295d803985dc95958d3149ed7b251a

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

Filesize
944B

MD5
470a31aac9cf705179e47a32ce51f121

SHA1
757fc377e0198cae813c99f4d63e29d2a82ec1ec

SHA256
cf69cc666c1919e86261080d13dedb0301387c99f3360b674e211bce4071c80c

SHA512
5e667ce8238d0c2b6453b3f34757083cda67834c121ac5726e13bcd7689add07d410b67f5227bb9f9e79f6540e8579ff82e95323243905f825c9d7cf8a05cc1b

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

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

Filesize
64B

MD5
8fe70e63c44ca0ecd48b0180321927d3

SHA1
1419bf270210e065da1a4a36ef0d7f88ca89ee04

SHA256
f748e385e9b3b1eed95616ddc565f705187c5a9f5cc6a5e5ac132e43eb681eb2

SHA512
b01393a29399d9415c7247bcd309c44487ad8ffacb91fac34900d34a32d01fb5ef21492ae5573457015ee5f598901d85f99f2ba51da40c8b2285ae84bc7c6c61

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

Filesize
64B

MD5
d8b9a260789a22d72263ef3bb119108c

SHA1
376a9bd48726f422679f2cd65003442c0b6f6dd5

SHA256
d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

SHA512
550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

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

Filesize
944B

MD5
96ff1ee586a153b4e7ce8661cabc0442

SHA1
140d4ff1840cb40601489f3826954386af612136

SHA256
0673399a2f37c89d455e8658c4d30b9248bff1ea47ba40957588e2bc862976e8

SHA512
3404370d0edb4ead4874ce68525dc9bcbc6008003682646e331bf43a06a24a467ace7eff5be701a822d74c7e065d0f6a0ba0e3d6bc505d34d0189373dcacb569

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iibjwmys.j15.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Umbral.exe

Filesize
227KB

MD5
b876a9986ec4c6328ec6c702543f29c5

SHA1
7b4e1df1ea7946d1c6c065af9503d106b8310578

SHA256
cef6907644852d2c121218c464a70e125a39750a5cbd31c556d5c214a3e96750

SHA512
179332260823d94d5528692f26d22118dc87bedfe3edc2ed5ccb12c531fdfb0529bfea8662ce5dca038c3ba8048176e8df89280421af7d3f7703a14d5c035041

Download Submit
C:\Users\Admin\AppData\Local\Update Service.exe

Filesize
67KB

MD5
b60e7b4d97aa0e7568b5f1e1b0cd2315

SHA1
0a3dc1c0c807017dc115685309ea59f2aba956cd

SHA256
9f053ed5f7835f881b70f1569288c360b221431f797cd3018adcd769f02cad57

SHA512
4ed1d1ba0abad06a463a2ecc220cbee5635ed9719744aa1a70a8daaeb05eb5df56c0f2123fe7ec631fc30e40c64765d6d45ef99c0e3f6d76ab8a828a56274657

Download Submit
memory/432-178-0x0000023A2F240000-0x0000023A2F45C000-memory.dmp

Filesize
2.1MB

Download
memory/640-175-0x000001C8C1000000-0x000001C8C121C000-memory.dmp

Filesize
2.1MB

Download
memory/1448-47-0x0000016ECB3B0000-0x0000016ECB3D2000-memory.dmp

Filesize
136KB

Download
memory/2560-128-0x00000174D4CA0000-0x00000174D4CAA000-memory.dmp

Filesize
40KB

Download
memory/2560-46-0x00000174BA5B0000-0x00000174BA5F0000-memory.dmp

Filesize
256KB

Download
memory/2560-89-0x00000174D4CE0000-0x00000174D4D56000-memory.dmp

Filesize
472KB

Download
memory/2560-90-0x00000174D4DD0000-0x00000174D4E20000-memory.dmp

Filesize
320KB

Download
memory/2560-91-0x00000174D4C70000-0x00000174D4C8E000-memory.dmp

Filesize
120KB

Download
memory/2560-129-0x00000174D4D60000-0x00000174D4D72000-memory.dmp

Filesize
72KB

Download
memory/3908-53-0x0000000000600000-0x0000000000618000-memory.dmp

Filesize
96KB

Download
memory/4524-86-0x000001E8C1730000-0x000001E8C194C000-memory.dmp

Filesize
2.1MB

Download
memory/4944-0-0x00007FF814CB3000-0x00007FF814CB5000-memory.dmp

Filesize
8KB

Download
memory/4944-19-0x00007FF814CB0000-0x00007FF815771000-memory.dmp

Filesize
10.8MB

Download
memory/4944-5-0x00007FF814CB0000-0x00007FF815771000-memory.dmp

Filesize
10.8MB

Download
memory/4944-3-0x000002109A3D0000-0x000002109A5E4000-memory.dmp

Filesize
2.1MB

Download
memory/4944-2-0x00007FF814CB0000-0x00007FF815771000-memory.dmp

Filesize
10.8MB

Download
memory/4944-1-0x00000210FFBF0000-0x00000210FFCD0000-memory.dmp

Filesize
896KB

Download
memory/5108-20-0x000001DD040B0000-0x000001DD040C2000-memory.dmp

Filesize
72KB

Download
memory/5108-22-0x000001DD1E390000-0x000001DD1E766000-memory.dmp

Filesize
3.8MB

Download
memory/5108-21-0x000001DD05790000-0x000001DD057AA000-memory.dmp

Filesize
104KB

Download
memory/5108-18-0x000001DD03150000-0x000001DD03B34000-memory.dmp

Filesize
9.9MB

Download
memory/5108-17-0x00007FF814CB0000-0x00007FF815771000-memory.dmp

Filesize
10.8MB

Download
memory/5108-199-0x00007FF814CB0000-0x00007FF815771000-memory.dmp

Filesize
10.8MB

Download