Malware Analysis Report

2024-11-15 05:53

Sample ID 240721-me1dgszgrm
Target fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe
SHA256 fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682
Tags
rat dcrat infostealer persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682

Threat Level: Known bad

The file fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer persistence

DCRat payload

Dcrat family

DcRat

Process spawned unexpected child process

Modifies WinLogon for persistence

DCRat payload

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Drops file in Windows directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-21 10:23

Signatures

DCRat payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Dcrat family

dcrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-21 10:23

Reported

2024-07-21 10:25

Platform

win7-20240705-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"

Signatures

DcRat

rat infostealer dcrat
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
File created C:\Windows\system\6203df4a6bafc7 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
File created C:\Windows\system\lsass.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\", \"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\", \"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\", \"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\", \"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\", \"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Windows\\Help\\Windows\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

DCRat payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\system\\lsass.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\de-DE\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\Help\\Windows\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\de-DE\\csrss.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\Help\\Windows\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\system\\lsass.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\27d1bcfc3c54e0 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files\DVD Maker\OSPPSVC.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files\DVD Maker\1610b97d3ab4a7 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\system\lsass.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\Help\Windows\837dac93350532 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File opened for modification C:\Windows\system\lsass.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\system\6203df4a6bafc7 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\de-DE\csrss.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\de-DE\886983d96e3d3e C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\TAPI\837dac93350532 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe

"C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Windows\system\lsass.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\system\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Windows\system\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Windows\de-DE\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\de-DE\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Windows\de-DE\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 9 /tr "'C:\Program Files\DVD Maker\OSPPSVC.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\OSPPSVC.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 5 /tr "'C:\Program Files\DVD Maker\OSPPSVC.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Pictures\Sample Pictures\audiodg.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Public\Pictures\Sample Pictures\audiodg.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Pictures\Sample Pictures\audiodg.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 13 /tr "'C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682" /sc ONLOGON /tr "'C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 10 /tr "'C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 7 /tr "'C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682" /sc ONLOGON /tr "'C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 5 /tr "'C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f

C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe

"C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a1005337.xsph.ru udp
RU 141.8.192.26:80 a1005337.xsph.ru tcp

Files

memory/3036-0-0x000007FEF5B83000-0x000007FEF5B84000-memory.dmp

memory/3036-1-0x00000000003B0000-0x0000000000486000-memory.dmp

memory/3036-2-0x000007FEF5B80000-0x000007FEF656C000-memory.dmp

C:\Program Files\DVD Maker\OSPPSVC.exe

MD5 ac9e1c7decb45fa41c77e30543bc535e
SHA1 b89c25859b9b195d8768868be6d4b029bd395d1f
SHA256 fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682
SHA512 32ad2b8385fbb5206be47bd55f8a3af55ce6fd84c48771fec8b7fc39862fb9133aaf99de5672a548454c17fd05a03a0f3c1813df65b65fdae73ca7881393c417

memory/3036-27-0x000007FEF5B80000-0x000007FEF656C000-memory.dmp

memory/2064-28-0x0000000000F90000-0x0000000001066000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 10:23

Reported

2024-07-21 10:26

Platform

win10v2004-20240709-en

Max time kernel

142s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"

Signatures

DcRat

rat infostealer dcrat

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\", \"C:\\Windows\\SchCache\\OfficeClickToRun.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\", \"C:\\Windows\\SchCache\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

DCRat payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SchCache\OfficeClickToRun.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Windows\\SchCache\\OfficeClickToRun.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Windows\\SchCache\\OfficeClickToRun.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\WindowsPowerShell\Configuration\9e8d7a4ca61bd9 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Reference Assemblies\Microsoft\6cb0b6c459d5d3 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Mozilla Maintenance Service\logs\eddb19405b7ce1 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files\Windows Portable Devices\837dac93350532 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\9e8d7a4ca61bd9 C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SchCache\OfficeClickToRun.exe C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
File created C:\Windows\SchCache\e6c9b481da804f C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SchCache\OfficeClickToRun.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe

"C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\Templates\backgroundTaskHost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\All Users\Templates\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Templates\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Windows\SchCache\OfficeClickToRun.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows\SchCache\OfficeClickToRun.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Windows\SchCache\OfficeClickToRun.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe'" /rl HIGHEST /f

C:\Windows\SchCache\OfficeClickToRun.exe

"C:\Windows\SchCache\OfficeClickToRun.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 g.bing.com tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 a1005337.xsph.ru udp
RU 141.8.192.26:80 a1005337.xsph.ru tcp
US 8.8.8.8:53 26.192.8.141.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/4200-1-0x00007FFA5DC13000-0x00007FFA5DC15000-memory.dmp

memory/4200-0-0x0000000000390000-0x0000000000466000-memory.dmp

memory/4200-4-0x00007FFA5DC10000-0x00007FFA5E6D1000-memory.dmp

C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe

MD5 ac9e1c7decb45fa41c77e30543bc535e
SHA1 b89c25859b9b195d8768868be6d4b029bd395d1f
SHA256 fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682
SHA512 32ad2b8385fbb5206be47bd55f8a3af55ce6fd84c48771fec8b7fc39862fb9133aaf99de5672a548454c17fd05a03a0f3c1813df65b65fdae73ca7881393c417

memory/4200-28-0x00007FFA5DC10000-0x00007FFA5E6D1000-memory.dmp