Malware Analysis Report

2024-10-10 12:52

Sample ID 240601-wy58hsag91
Target 17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe
SHA256 17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2
Tags
rat dcrat infostealer
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

17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2

Threat Level: Known bad

The file 17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer

DCRat payload

Dcrat family

DcRat

Process spawned unexpected child process

DCRat payload

Executes dropped EXE

Checks computer location settings

Drops file in Windows directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Modifies registry class

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-01 18:20

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

2024-06-01 18:20

Reported

2024-06-01 18:23

Platform

win7-20240508-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe"

Signatures

DcRat

rat infostealer dcrat

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
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
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:\Users\Admin\Application Data\winlogon.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Google\Chrome\27d1bcfc3c54e0 C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\dwm.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\winlogon.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\Microsoft Games\winlogon.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\Reference Assemblies\6cb0b6c459d5d3 C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\6cb0b6c459d5d3 C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files (x86)\Google\Temp\taskhost.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files (x86)\Google\Temp\b75386f1303e64 C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\101b941d020240 C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\Google\Chrome\System.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\Reference Assemblies\dwm.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\cc11b995f2a76d C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\Microsoft Games\cc11b995f2a76d C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\lsm.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\diagnostics\system\DeviceCenter\en-US\services.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
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
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
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
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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Application Data\winlogon.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe

"C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Google\Temp\taskhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Temp\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Google\Temp\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Videos\Sample Videos\audiodg.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 12 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\WmiPrvSE.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\WmiPrvSE.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 8 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\WmiPrvSE.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\Application Data\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\Admin\Application Data\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Application Data\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\sppsvc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\Program Files\Microsoft Games\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Microsoft Games\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\lsm.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Google\Chrome\System.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Program Files\Google\Chrome\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\taskhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\sppsvc.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\Program Files\Reference Assemblies\dwm.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Reference Assemblies\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\dwm.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\dwm.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

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

C:\Windows\system32\w32tm.exe

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

C:\Users\Admin\Application Data\winlogon.exe

"C:\Users\Admin\Application Data\winlogon.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a0986754.xsph.ru udp
RU 141.8.192.103:80 a0986754.xsph.ru tcp
RU 141.8.192.103:80 a0986754.xsph.ru tcp

Files

memory/2140-0-0x000007FEF54A3000-0x000007FEF54A4000-memory.dmp

memory/2140-1-0x00000000012A0000-0x00000000013BA000-memory.dmp

memory/2140-2-0x000007FEF54A0000-0x000007FEF5E8C000-memory.dmp

memory/2140-3-0x0000000000240000-0x000000000025C000-memory.dmp

memory/2140-4-0x00000000003E0000-0x00000000003F2000-memory.dmp

C:\MSOCache\All Users\csrss.exe

MD5 a65ef974cf4bc255d44fa7ab8acddf50
SHA1 dfbf0babf43166796c2f5cef62742e9bfc00c55b
SHA256 17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2
SHA512 18bb4f417e84fea2c9b1eb20658c9bcb9a6317a50462db9c490b03ac7f7176d5c2a7c6cde9253a2991df70e866350c93ffe4ff2120f2ae85e26361d764a765dc

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

MD5 4bdf2dcd791fdd8b6c09334a3931c426
SHA1 4df4d913c3d0dd53b36aaafe93dc0034f1fd4d85
SHA256 d3a955bb1ac725e60b4441c2a44e304db14bd13105f756f0401626b9e9c581aa
SHA512 65afba85d3007d29dba04d628cdedfb182defaf364dfe643f901e1feb74cf05d580e19fe3a647d605720b38ab01e29cfe12f921a0376947199a186fdcea0ac8c

memory/2140-48-0x000007FEF54A0000-0x000007FEF5E8C000-memory.dmp

memory/1960-51-0x00000000001A0000-0x00000000002BA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 18:20

Reported

2024-06-01 18:23

Platform

win10v2004-20240426-en

Max time kernel

95s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe"

Signatures

DcRat

rat infostealer dcrat

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

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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Windows NT\TableTextService\en-US\Idle.exe C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
File created C:\Program Files\Windows NT\TableTextService\en-US\6ccacd8608530f C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
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
N/A N/A C:\Windows\system32\schtasks.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe N/A
Token: SeDebugPrivilege N/A C:\Recovery\WindowsRE\RuntimeBroker.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe

"C:\Users\Admin\AppData\Local\Temp\17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows NT\TableTextService\en-US\Idle.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Windows NT\TableTextService\en-US\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows NT\TableTextService\en-US\Idle.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\HDGG6XXo2y.bat"

C:\Windows\system32\w32tm.exe

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

C:\Recovery\WindowsRE\RuntimeBroker.exe

"C:\Recovery\WindowsRE\RuntimeBroker.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 a0986754.xsph.ru udp
RU 141.8.192.103:80 a0986754.xsph.ru tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 141.8.192.103:80 a0986754.xsph.ru tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/2872-0-0x00007FFE7BBA3000-0x00007FFE7BBA5000-memory.dmp

memory/2872-1-0x0000000000DB0000-0x0000000000ECA000-memory.dmp

memory/2872-2-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

memory/2872-3-0x00000000016A0000-0x00000000016BC000-memory.dmp

memory/2872-5-0x00000000016C0000-0x00000000016D2000-memory.dmp

memory/2872-4-0x000000001C1B0000-0x000000001C200000-memory.dmp

memory/2872-6-0x000000001C730000-0x000000001CC58000-memory.dmp

memory/2872-16-0x00007FFE7BBA0000-0x00007FFE7C661000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\HDGG6XXo2y.bat

MD5 055b4d95e9d0aabc3e9de0f2e8c43b57
SHA1 a86109c7df77e9748447e0509f7e33a932adc6bf
SHA256 ff31ab8dc049ed58b81d90dc0bb5b1b4df2ab06bdc8d852662ce302a3a90471a
SHA512 48cec8d0199ad78a566b888bf661fc595d5f56988dce888e182f3c8b212ea9a6f76eeb6fb7928d8d4e35c84ae09f9899ed6c45e08a00a9ca96194f2009d96996

C:\Recovery\WindowsRE\RuntimeBroker.exe

MD5 a65ef974cf4bc255d44fa7ab8acddf50
SHA1 dfbf0babf43166796c2f5cef62742e9bfc00c55b
SHA256 17df189cef5f2bdadd4265e9d5b2bf2408bbf5905389b6788aaa21bd59d889b2
SHA512 18bb4f417e84fea2c9b1eb20658c9bcb9a6317a50462db9c490b03ac7f7176d5c2a7c6cde9253a2991df70e866350c93ffe4ff2120f2ae85e26361d764a765dc

memory/2344-21-0x000000001CC00000-0x000000001CC12000-memory.dmp