Malware Analysis Report

2025-08-10 14:27

Sample ID 241030-cv59katjf1
Target 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
SHA256 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769
Tags
remcos teewire10/27/24 discovery execution rat
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

4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769

Threat Level: Known bad

The file 4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe was found to be: Known bad.

Malicious Activity Summary

remcos teewire10/27/24 discovery execution rat

Remcos family

Remcos

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 02:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-30 02:24

Reported

2024-10-30 02:27

Platform

win7-20241010-en

Max time kernel

148s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

Signatures

Remcos

rat remcos

Remcos family

remcos

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1248 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1248 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 1248 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 1248 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 1248 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 1248 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 1248 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yVSkoplfDgy.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yVSkoplfDgy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1297.tmp"

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp

Files

memory/1248-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

memory/1248-1-0x00000000002E0000-0x00000000003DA000-memory.dmp

memory/1248-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

memory/1248-3-0x0000000001EC0000-0x0000000001EDE000-memory.dmp

memory/1248-4-0x00000000748CE000-0x00000000748CF000-memory.dmp

memory/1248-5-0x00000000748C0000-0x0000000074FAE000-memory.dmp

memory/1248-6-0x0000000005D50000-0x0000000005E0E000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

MD5 5149c5ecf0ba7cc188aa47405e90c1fc
SHA1 4317540ffffb7e359877221f7067608582e64625
SHA256 99ab05a88e3d5b7bd16e516d7569511469a10ff28086bc3d2a0bbfeed8e845ec
SHA512 dab3c195934a9e0543f82f92d3c7e6f789a8b1012ec2ac1bd1f475a9625f6732a800aa6d7ffbfecb77de8398ce97be165bc38a80f79bb2fbf80cb3eb6c696005

C:\Users\Admin\AppData\Local\Temp\tmp1297.tmp

MD5 bcf91d2d43b60237c21951070433d9f6
SHA1 138116d16cd8750de7e2ca14cb0434a88a188ddd
SHA256 d0ebac8c63917a6bd996e07c23521315d781e0c343aae204d779e39e98a475ae
SHA512 de9731cfde1e62c9d1b465428610db6cd3c6ad06c9b232f70e35aff144f96e2865facb08e98403c2b3358221049df1a5b450c5195269e1a0572c28fcacca78af

memory/2844-19-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-36-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-41-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-39-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-37-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2844-33-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-31-0x0000000000400000-0x000000000047F000-memory.dmp

memory/1248-42-0x00000000748C0000-0x0000000074FAE000-memory.dmp

memory/2844-29-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-27-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-25-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-23-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-43-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-21-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-48-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-49-0x0000000000400000-0x000000000047F000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 19c8d95399e21b35ac98311489ddf9c7
SHA1 0a461112b88cc1b1a9f1c9fd2d3aae882d92e6f8
SHA256 d27405d30f880fda173347d126f7c187f4cc3adbf9a1c7a0407b70319885d5dc
SHA512 92aad2d3208405aaa575d298f0dff7c3f12aa25d8acd0f253c2ce7fd61b6ff104ead485a9d47a30f1de840eaf81f78b677c259d267ae531f4bef3956aeb58602

memory/2844-54-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-55-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-61-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-62-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-67-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-68-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-74-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2844-75-0x0000000000400000-0x000000000047F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 02:24

Reported

2024-10-30 02:27

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

Signatures

Remcos

rat remcos

Remcos family

remcos

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2620 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 4072 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 2620 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 2620 wrote to memory of 3896 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Windows\SysWOW64\schtasks.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe
PID 2620 wrote to memory of 3700 N/A C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yVSkoplfDgy.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yVSkoplfDgy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4486.tmp"

C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe

"C:\Users\Admin\AppData\Local\Temp\4aa7d5055d37293efea2b6d715e655f07f3b153f31651278c7576575e7247769.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 teebro1800.dynamic-dns.net udp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 140.228.29.6:2195 teebro1800.dynamic-dns.net tcp
US 8.8.8.8:53 udp

Files

memory/2620-0-0x000000007530E000-0x000000007530F000-memory.dmp

memory/2620-1-0x0000000000B80000-0x0000000000C7A000-memory.dmp

memory/2620-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

memory/2620-3-0x0000000005650000-0x00000000056E2000-memory.dmp

memory/2620-4-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/2620-5-0x0000000005730000-0x000000000573A000-memory.dmp

memory/2620-6-0x0000000005950000-0x00000000059EC000-memory.dmp

memory/2620-7-0x0000000005A90000-0x0000000005AAE000-memory.dmp

memory/2620-8-0x000000007530E000-0x000000007530F000-memory.dmp

memory/2620-9-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/2620-10-0x000000000B770000-0x000000000B82E000-memory.dmp

memory/4072-15-0x0000000002230000-0x0000000002266000-memory.dmp

memory/4072-17-0x0000000004D90000-0x00000000053B8000-memory.dmp

memory/4072-16-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/4072-18-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/4072-19-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/456-20-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/456-21-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/456-24-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/4072-25-0x0000000004CD0000-0x0000000004D36000-memory.dmp

memory/4072-26-0x0000000005430000-0x0000000005496000-memory.dmp

memory/4072-23-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tqvksg0w.wgk.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

C:\Users\Admin\AppData\Local\Temp\tmp4486.tmp

MD5 1a7b4983932a9c5ec032066c4ccd9f0b
SHA1 e08937cf55db9199aee11e216ee41763cb6d4ed9
SHA256 83f7324701d48ca2fe42efd08434ccf201d87b15727bcea956779d424d8677cf
SHA512 6d3bb448eff386c7b55ec0f3350110cd09cb9f7e7e6fbb4f5d05a41a1df9c6bbd3aedced4d23f9cd3fa79a0d60f201fde910fdea9ed21317b19d48b592e3b598

memory/3700-36-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-37-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-43-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4072-41-0x00000000055A0000-0x00000000058F4000-memory.dmp

memory/3700-38-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2620-53-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3700-54-0x0000000000400000-0x000000000047F000-memory.dmp

memory/4072-55-0x0000000005B50000-0x0000000005B6E000-memory.dmp

memory/456-56-0x0000000006910000-0x000000000695C000-memory.dmp

memory/456-74-0x0000000006E70000-0x0000000006E8E000-memory.dmp

memory/4072-61-0x0000000075BB0000-0x0000000075BFC000-memory.dmp

memory/4072-79-0x0000000006D40000-0x0000000006DE3000-memory.dmp

memory/456-58-0x0000000075BB0000-0x0000000075BFC000-memory.dmp

memory/456-57-0x0000000006E30000-0x0000000006E62000-memory.dmp

memory/4072-80-0x00000000074C0000-0x0000000007B3A000-memory.dmp

memory/4072-81-0x0000000006E80000-0x0000000006E9A000-memory.dmp

memory/456-82-0x0000000007C90000-0x0000000007C9A000-memory.dmp

memory/456-83-0x0000000007E90000-0x0000000007F26000-memory.dmp

memory/456-84-0x0000000007E10000-0x0000000007E21000-memory.dmp

memory/456-85-0x0000000007E40000-0x0000000007E4E000-memory.dmp

memory/456-86-0x0000000007E50000-0x0000000007E64000-memory.dmp

memory/4072-87-0x00000000071C0000-0x00000000071DA000-memory.dmp

memory/4072-88-0x00000000071A0000-0x00000000071A8000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

memory/4072-95-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/456-94-0x0000000075300000-0x0000000075AB0000-memory.dmp

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

MD5 6359fc3908acae9dd249cc37a6f1a1ab
SHA1 4bf12331029ce088f941322d34d42fabc446eb5c
SHA256 33c140cd1ae5573193f4cf27382999fc73cdabb39590f57ea2d8dfbe00bd0bba
SHA512 aaad5d8fdbf6b787d201d508ea34ed17832c54c0df43fd0d18af4827917dc2b794cfe188f03a6a51788bd47d168cda03e79681792cce7d130583f6b3f83e304f

memory/3700-100-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-101-0x0000000000400000-0x000000000047F000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 ea3861d123456be5afe913301dd87780
SHA1 cbce7f64da5d28995ba059a944abdba6b6e8340e
SHA256 99a6e1c1ce1c90566c341d7e60355d32fa86530f73bbe5255a1166a9ef6f4e5a
SHA512 ff819d2c34110e209dd7d6483d65d881a2edfc08377537e967dd248e87e8beae6e5e1f1cae0bbcacec6e2f3ecaedb78b19a941f7a1828c5f8eedd054869fcb82

memory/3700-106-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-107-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-113-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-114-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-119-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-120-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-125-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3700-127-0x0000000000400000-0x000000000047F000-memory.dmp