Malware Analysis Report

2024-10-10 13:02

Sample ID 240618-ve1m9awekq
Target 4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe
SHA256 4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87
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

4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87

Threat Level: Known bad

The file 4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer

DcRat

Dcrat family

Process spawned unexpected child process

DCRat payload

DCRat payload

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Drops file in Program Files directory

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

Suspicious behavior: GetForegroundWindowSpam

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-18 16:54

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

2024-06-18 16:54

Reported

2024-06-18 16:57

Platform

win7-20231129-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.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

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:\bridgeserver\Bridgems.exe N/A
N/A N/A C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Windows Sidebar\088424020bedd6 C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Windows Photo Viewer\es-ES\winlogon.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Windows Photo Viewer\es-ES\cc11b995f2a76d C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\csrss.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\886983d96e3d3e C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Windows Sidebar\conhost.exe C:\bridgeserver\Bridgems.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\AppCompat\Programs\6203df4a6bafc7 C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Downloaded Program Files\wininit.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Downloaded Program Files\56085415360792 C:\bridgeserver\Bridgems.exe N/A
File opened for modification C:\Windows\Web\Wallpaper\Nature\Bridgems.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Web\Wallpaper\Nature\4ff44765b53a00 C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Branding\ShellBrd\csrss.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\AppCompat\Programs\lsass.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Web\Wallpaper\Nature\Bridgems.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Branding\ShellBrd\886983d96e3d3e C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\addins\csrss.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\addins\886983d96e3d3e C:\bridgeserver\Bridgems.exe N/A

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\bridgeserver\Bridgems.exe N/A
Token: SeDebugPrivilege N/A C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe C:\Windows\SysWOW64\WScript.exe
PID 2748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe C:\Windows\SysWOW64\WScript.exe
PID 2748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe C:\Windows\SysWOW64\WScript.exe
PID 2748 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe C:\Windows\SysWOW64\WScript.exe
PID 2092 wrote to memory of 2620 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2092 wrote to memory of 2620 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2092 wrote to memory of 2620 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2092 wrote to memory of 2620 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2620 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\bridgeserver\Bridgems.exe
PID 2620 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\bridgeserver\Bridgems.exe
PID 2620 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\bridgeserver\Bridgems.exe
PID 2620 wrote to memory of 2148 N/A C:\Windows\SysWOW64\cmd.exe C:\bridgeserver\Bridgems.exe
PID 2148 wrote to memory of 2796 N/A C:\bridgeserver\Bridgems.exe C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe
PID 2148 wrote to memory of 2796 N/A C:\bridgeserver\Bridgems.exe C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe
PID 2148 wrote to memory of 2796 N/A C:\bridgeserver\Bridgems.exe C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe
PID 2148 wrote to memory of 2796 N/A C:\bridgeserver\Bridgems.exe C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe
PID 2148 wrote to memory of 2796 N/A C:\bridgeserver\Bridgems.exe C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe

"C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\bridgeserver\gkabdrVFcIIw.vbe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\bridgeserver\gFpFORhYJ1DQnQT8.bat" "

C:\bridgeserver\Bridgems.exe

"C:\bridgeserver\Bridgems.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "BridgemsB" /sc MINUTE /mo 14 /tr "'C:\Windows\Web\Wallpaper\Nature\Bridgems.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Bridgems" /sc ONLOGON /tr "'C:\Windows\Web\Wallpaper\Nature\Bridgems.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "BridgemsB" /sc MINUTE /mo 11 /tr "'C:\Windows\Web\Wallpaper\Nature\Bridgems.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Windows\Branding\ShellBrd\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\Branding\ShellBrd\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Windows\Branding\ShellBrd\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\bridgeserver\lsm.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\bridgeserver\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 11 /tr "'C:\bridgeserver\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Cookies\smss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\Cookies\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\bridgeserver\Idle.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\bridgeserver\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\bridgeserver\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 10 /tr "'C:\bridgeserver\cmd.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\bridgeserver\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 12 /tr "'C:\bridgeserver\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Windows\addins\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Windows\addins\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\bridgeserver\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\bridgeserver\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Windows\AppCompat\Programs\lsass.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Windows\Downloaded Program Files\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Windows\Downloaded Program Files\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\bridgeserver\cmd.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\bridgeserver\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 9 /tr "'C:\bridgeserver\cmd.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Sidebar\conhost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Sidebar\conhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Photo Viewer\es-ES\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\es-ES\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Photo Viewer\es-ES\winlogon.exe'" /rl HIGHEST /f

C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe

"C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\sppsvc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cz61028.tw1.ru udp
RU 92.53.96.121:80 cz61028.tw1.ru tcp
RU 92.53.96.121:80 cz61028.tw1.ru tcp
RU 92.53.96.121:80 cz61028.tw1.ru tcp
RU 92.53.96.121:80 cz61028.tw1.ru tcp
RU 92.53.96.121:80 cz61028.tw1.ru tcp
RU 92.53.96.121:80 cz61028.tw1.ru tcp
RU 92.53.96.121:80 cz61028.tw1.ru tcp

Files

C:\bridgeserver\gkabdrVFcIIw.vbe

MD5 7cd5f78a91ead735c67b9bad63fa634d
SHA1 a0eb9811e6f9d68393df65db38b8e3d14fff6573
SHA256 d6ec6d3f6c9b24c8f825229e7aca6d68c15db66e1b4a7b2bd81a9c9919412e32
SHA512 8a0b3ee98c40d279ddb1aea940fa6658b334a8e14428d2fa81a0c1a32b70e093c9b2fe69cb38eb8a377b6cef9f143dfbe4ef73b4d0479ea54f9e452bd644b5be

C:\bridgeserver\gFpFORhYJ1DQnQT8.bat

MD5 678dc3f4dbb4f114acdb2ae4f0fc4c62
SHA1 17a8c4ec2eac6f48d2da9ecefb0123d373f4b2b8
SHA256 182de803c8e797370b71a0342dc47c3684627f30065dc0805da9aced5f5b9737
SHA512 1c20c357da67b7cc8fae49ce863b29efbf99161892d1c8b22d22856cc3ec9c70d171215da623e2dc5dba3846274f70bf6f6af3dc8a4584ac07364bd13b286307

C:\bridgeserver\Bridgems.exe

MD5 4b4fbd1058bad316a931918769027276
SHA1 598bbff84cfde0d002feeefd19dae6a20fcfcbf8
SHA256 f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550
SHA512 108c4390dc8944f43579ff8c052207a441f036de68e99a6c41cb28f9d71a6a751e10f918b873dc177ba0a241b402980aed5c3a21003bce250d62fc3afc1e2344

memory/2148-13-0x0000000000180000-0x000000000027C000-memory.dmp

memory/2148-14-0x0000000000150000-0x0000000000162000-memory.dmp

memory/2148-15-0x0000000000280000-0x000000000028C000-memory.dmp

memory/2796-58-0x0000000000D70000-0x0000000000E6C000-memory.dmp

memory/2796-59-0x0000000000250000-0x0000000000262000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 16:54

Reported

2024-06-18 16:57

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.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

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\bridgeserver\Bridgems.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\WScript.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\bridgeserver\Bridgems.exe N/A
N/A N/A C:\bridgeserver\csrss.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Windows Mail\dwm.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Windows Mail\6cb0b6c459d5d3 C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Windows Portable Devices\unsecapp.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Windows Media Player\Visualizations\5940a34987c991 C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\dotnet\swidtag\TextInputHost.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\dotnet\swidtag\22eafd247d37c3 C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Uninstall Information\69ddcba757bf72 C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Windows Portable Devices\29c1c3cc0f7685 C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files (x86)\Windows Media Player\Visualizations\dllhost.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Reference Assemblies\Microsoft\services.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Reference Assemblies\Microsoft\c5b4cb5e9653cc C:\bridgeserver\Bridgems.exe N/A
File created C:\Program Files\Uninstall Information\smss.exe C:\bridgeserver\Bridgems.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Globalization\ICU\csrss.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\Globalization\ICU\886983d96e3d3e C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\ServiceProfiles\LocalService\Videos\conhost.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\ServiceProfiles\LocalService\Videos\088424020bedd6 C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\es-ES\TextInputHost.exe C:\bridgeserver\Bridgems.exe N/A
File created C:\Windows\es-ES\22eafd247d37c3 C:\bridgeserver\Bridgems.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\bridgeserver\Bridgems.exe N/A
Token: SeDebugPrivilege N/A C:\bridgeserver\csrss.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe

"C:\Users\Admin\AppData\Local\Temp\4d904132b607fffcc8b3c537e7122cb0bec8303a7600d1bc454cfc6162dedd87.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\bridgeserver\gkabdrVFcIIw.vbe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\bridgeserver\gFpFORhYJ1DQnQT8.bat" "

C:\bridgeserver\Bridgems.exe

"C:\bridgeserver\Bridgems.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\Visualizations\dllhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Visualizations\dllhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\Visualizations\dllhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Windows\Globalization\ICU\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\Globalization\ICU\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Windows\Globalization\ICU\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 7 /tr "'C:\Windows\ServiceProfiles\LocalService\Videos\conhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Windows\ServiceProfiles\LocalService\Videos\conhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 6 /tr "'C:\Windows\ServiceProfiles\LocalService\Videos\conhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\bridgeserver\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 12 /tr "'C:\Program Files\dotnet\swidtag\TextInputHost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Program Files\dotnet\swidtag\TextInputHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 5 /tr "'C:\Program Files\dotnet\swidtag\TextInputHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Program Files\Reference Assemblies\Microsoft\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Documents\My Videos\OfficeClickToRun.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Users\Default\Documents\My Videos\OfficeClickToRun.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Documents\My Videos\OfficeClickToRun.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\bridgeserver\RuntimeBroker.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\bridgeserver\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\bridgeserver\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Program Files\Uninstall Information\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Program Files\Uninstall Information\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 12 /tr "'C:\bridgeserver\sysmon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\bridgeserver\sysmon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 12 /tr "'C:\bridgeserver\sysmon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\System.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Default User\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 12 /tr "'C:\Windows\es-ES\TextInputHost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 9 /tr "'C:\Windows\es-ES\TextInputHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\dwm.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Mail\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Portable Devices\unsecapp.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Portable Devices\unsecapp.exe'" /rl HIGHEST /f

C:\bridgeserver\csrss.exe

"C:\bridgeserver\csrss.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cz61028.tw1.ru udp

Files

C:\bridgeserver\gkabdrVFcIIw.vbe

MD5 7cd5f78a91ead735c67b9bad63fa634d
SHA1 a0eb9811e6f9d68393df65db38b8e3d14fff6573
SHA256 d6ec6d3f6c9b24c8f825229e7aca6d68c15db66e1b4a7b2bd81a9c9919412e32
SHA512 8a0b3ee98c40d279ddb1aea940fa6658b334a8e14428d2fa81a0c1a32b70e093c9b2fe69cb38eb8a377b6cef9f143dfbe4ef73b4d0479ea54f9e452bd644b5be

C:\bridgeserver\gFpFORhYJ1DQnQT8.bat

MD5 678dc3f4dbb4f114acdb2ae4f0fc4c62
SHA1 17a8c4ec2eac6f48d2da9ecefb0123d373f4b2b8
SHA256 182de803c8e797370b71a0342dc47c3684627f30065dc0805da9aced5f5b9737
SHA512 1c20c357da67b7cc8fae49ce863b29efbf99161892d1c8b22d22856cc3ec9c70d171215da623e2dc5dba3846274f70bf6f6af3dc8a4584ac07364bd13b286307

C:\bridgeserver\Bridgems.exe

MD5 4b4fbd1058bad316a931918769027276
SHA1 598bbff84cfde0d002feeefd19dae6a20fcfcbf8
SHA256 f139ad1c83bf27b6ca402476829a81f311f19b98b655bbaca32ef3c8c5aa7550
SHA512 108c4390dc8944f43579ff8c052207a441f036de68e99a6c41cb28f9d71a6a751e10f918b873dc177ba0a241b402980aed5c3a21003bce250d62fc3afc1e2344

memory/2636-12-0x00007FF8001F3000-0x00007FF8001F5000-memory.dmp

memory/2636-13-0x0000000000340000-0x000000000043C000-memory.dmp

memory/2636-14-0x000000001AF30000-0x000000001AF42000-memory.dmp

memory/2636-15-0x000000001BB70000-0x000000001C098000-memory.dmp

memory/2636-16-0x000000001AF70000-0x000000001AF7C000-memory.dmp