Malware Analysis Report

2024-11-13 13:46

Sample ID 240720-sgq6gs1gln
Target 6e4e01af6b88116f0c7331bba5e7b782.exe
SHA256 5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147
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

5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147

Threat Level: Known bad

The file 6e4e01af6b88116f0c7331bba5e7b782.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer persistence

Dcrat family

DcRat

Modifies WinLogon for persistence

Process spawned unexpected child process

DCRat payload

DCRat payload

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Looks up external IP address via web service

Drops file in System32 directory

Drops file in Program Files directory

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-20 15:06

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

2024-07-20 15:06

Reported

2024-07-20 15:08

Platform

win7-20240705-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe"

Signatures

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\\Admin\\Links\\services.exe\", \"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\", \"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\", \"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\", \"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\", \"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\", \"C:\\Program Files (x86)\\Windows Mail\\WmiPrvSE.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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

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:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.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\services = "\"C:\\Users\\Admin\\Links\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Users\\Admin\\Links\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Windows Mail\\WmiPrvSE.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Windows Mail\\WmiPrvSE.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\MSBuild\Microsoft\services.exe C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
File created C:\Program Files (x86)\MSBuild\Microsoft\c5b4cb5e9653cc C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
File created C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
File created C:\Program Files (x86)\Windows Mail\24dbde2999530e C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Token: SeDebugPrivilege N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe

"C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Links\services.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Admin\Links\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Links\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\services.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\ZqalLIBQEe.bat"

C:\Windows\system32\w32tm.exe

w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2

C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe

"C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 a1006461.xsph.ru udp
RU 141.8.197.42:80 a1006461.xsph.ru tcp
RU 141.8.197.42:80 a1006461.xsph.ru tcp

Files

memory/2940-0-0x000007FEF54C3000-0x000007FEF54C4000-memory.dmp

memory/2940-1-0x00000000008C0000-0x0000000000ACE000-memory.dmp

memory/2940-2-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp

memory/2940-3-0x0000000000440000-0x000000000044E000-memory.dmp

memory/2940-4-0x0000000000490000-0x0000000000498000-memory.dmp

memory/2940-5-0x00000000007F0000-0x0000000000846000-memory.dmp

memory/2940-6-0x0000000000620000-0x000000000062C000-memory.dmp

memory/2940-7-0x0000000000630000-0x000000000063C000-memory.dmp

memory/2940-8-0x0000000000640000-0x000000000064C000-memory.dmp

memory/2940-11-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp

memory/2940-22-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ZqalLIBQEe.bat

MD5 108d306d56821bd0b172344fe3200e3d
SHA1 a6ad723a96e77ba9d1c8c2a1c6992ef90d0ac36a
SHA256 b79e9c311c4d9ec72eddd294c01b78bc0d14dff7090d57bcaf01d71b0a591a60
SHA512 e57f38529e77afd5269e2474ca4fe1c34e763b2dce9ec243ecc36c9906ec110425a8b00fb0447ae12bd98118c6a0ee696f9e5fb4e6574cc0760169ae698c5718

C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe

MD5 6e4e01af6b88116f0c7331bba5e7b782
SHA1 756c0a5ea8aac86f41d118166452a011a608043c
SHA256 5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147
SHA512 f49b6146f313624606a9eb80287c23c68aaefcf7ffafacba83a87b333b4388dd38a423a179b7bcb0e1d555873681b405c781faf68e2d7169fa7bcefe4a73874b

memory/2224-26-0x00000000000C0000-0x00000000002CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-20 15:06

Reported

2024-07-20 15:08

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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\\Documents\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\", \"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\", \"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\", \"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\", \"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\", \"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\", \"C:\\Recovery\\WindowsRE\\spoolsv.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.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\fontdrvhost = "\"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Recovery\\WindowsRE\\spoolsv.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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\\Documents\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Recovery\\WindowsRE\\spoolsv.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\"" C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
File created C:\Windows\SysWOW64\Dism\es-ES\5b884080fd4f94 C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\services.exe C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
File created C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\c5b4cb5e9653cc C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
File created C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\69ddcba757bf72 C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A
N/A N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe N/A
Token: SeDebugPrivilege N/A C:\Users\All Users\Documents\backgroundTaskHost.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe

"C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Documents\backgroundTaskHost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\Documents\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\AppData\Local\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Start Menu\SearchApp.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Users\All Users\Start Menu\SearchApp.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Start Menu\SearchApp.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f

C:\Users\All Users\Documents\backgroundTaskHost.exe

"C:\Users\All Users\Documents\backgroundTaskHost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 a1006461.xsph.ru udp
RU 141.8.197.42:80 a1006461.xsph.ru tcp
RU 141.8.197.42:80 a1006461.xsph.ru tcp
US 8.8.8.8:53 42.197.8.141.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/2336-0-0x00007FFC06C73000-0x00007FFC06C75000-memory.dmp

memory/2336-1-0x00000000002F0000-0x00000000004FE000-memory.dmp

memory/2336-2-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp

memory/2336-3-0x0000000002620000-0x000000000262E000-memory.dmp

memory/2336-4-0x0000000002650000-0x0000000002658000-memory.dmp

memory/2336-5-0x0000000002660000-0x00000000026B6000-memory.dmp

memory/2336-6-0x00000000026B0000-0x00000000026BC000-memory.dmp

memory/2336-7-0x000000001B1A0000-0x000000001B1AC000-memory.dmp

memory/2336-11-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp

memory/2336-8-0x000000001B1B0000-0x000000001B1BC000-memory.dmp

memory/2336-12-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp

C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe

MD5 6e4e01af6b88116f0c7331bba5e7b782
SHA1 756c0a5ea8aac86f41d118166452a011a608043c
SHA256 5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147
SHA512 f49b6146f313624606a9eb80287c23c68aaefcf7ffafacba83a87b333b4388dd38a423a179b7bcb0e1d555873681b405c781faf68e2d7169fa7bcefe4a73874b

memory/2336-37-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp