Malware Analysis Report

2025-06-16 01:18

Sample ID 231205-z259gaga56
Target $R2VGET4.exe
SHA256 79015a0c68260b6317ecfea1983091e74c98dd8ced80766e1515df93534a3f6d
Tags
remcos remotehost 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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

79015a0c68260b6317ecfea1983091e74c98dd8ced80766e1515df93534a3f6d

Threat Level: Known bad

The file $R2VGET4.exe was found to be: Known bad.

Malicious Activity Summary

remcos remotehost rat

Remcos

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-05 21:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-05 21:13

Reported

2023-12-05 21:16

Platform

win7-20231023-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

Signatures

Enumerates physical storage devices

Creates scheduled task(s)

persistence
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\$R2VGET4.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 WriteProcessMemory

Description Indicator Process Target
PID 2412 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2412 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 2412 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 2412 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 2412 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 2412 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2188 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 2412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.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\$R2VGET4.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\eSFNAbyW.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eSFNAbyW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp581F.tmp"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

Network

N/A

Files

memory/2412-0-0x0000000000390000-0x00000000004B8000-memory.dmp

memory/2412-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

memory/2412-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

memory/2412-3-0x0000000001F10000-0x0000000001F26000-memory.dmp

memory/2412-4-0x0000000074630000-0x0000000074D1E000-memory.dmp

memory/2412-5-0x0000000004BE0000-0x0000000004C20000-memory.dmp

memory/2412-6-0x00000000007D0000-0x00000000007DE000-memory.dmp

memory/2412-7-0x0000000005A90000-0x0000000005B64000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp581F.tmp

MD5 89655b6ca817028b3ea18b2fe95b7f87
SHA1 d15808843965a38dea9a9c6f67572a3e0692ef67
SHA256 910016be7853cb6da6e72189f5a0ff939bcfde804860701f362f85ef2f979ddb
SHA512 2f74ac8dc0e60854eefd6678bb479616b74f48810dcf89f4df51ef04c763b521abf2c260a4d41d54a033afe6ec64de4808e21d472e9720d9dbe436251197b728

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

MD5 d62ec6103f0f3b34839e8a8dab592674
SHA1 da4836a496495a7dd2c6c095287ac85243102741
SHA256 62ea5d7f8d88595932c86a91ecd3c81185c2bf88bfe74844a16e7d5c787803ab
SHA512 7fc3d981beae6da41a0128f7fd1925fb55ae9b0f48c7d653c0f689abe9b3d985d43f3d65954e2a0cde8c28b5b32a133732308d3820a30412c3a6f9f9641360bc

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JR58U3P2NUKFHT7ZAOQ4.temp

MD5 d62ec6103f0f3b34839e8a8dab592674
SHA1 da4836a496495a7dd2c6c095287ac85243102741
SHA256 62ea5d7f8d88595932c86a91ecd3c81185c2bf88bfe74844a16e7d5c787803ab
SHA512 7fc3d981beae6da41a0128f7fd1925fb55ae9b0f48c7d653c0f689abe9b3d985d43f3d65954e2a0cde8c28b5b32a133732308d3820a30412c3a6f9f9641360bc

memory/2412-21-0x0000000074630000-0x0000000074D1E000-memory.dmp

memory/2580-20-0x000000006E310000-0x000000006E8BB000-memory.dmp

memory/2816-22-0x000000006E310000-0x000000006E8BB000-memory.dmp

memory/2580-23-0x0000000002540000-0x0000000002580000-memory.dmp

memory/2816-24-0x000000006E310000-0x000000006E8BB000-memory.dmp

memory/2580-25-0x000000006E310000-0x000000006E8BB000-memory.dmp

memory/2816-26-0x0000000002740000-0x0000000002780000-memory.dmp

memory/2816-27-0x0000000002740000-0x0000000002780000-memory.dmp

memory/2816-28-0x000000006E310000-0x000000006E8BB000-memory.dmp

memory/2580-29-0x000000006E310000-0x000000006E8BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-05 21:13

Reported

2023-12-05 21:16

Platform

win10-20231129-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 196 set thread context of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
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\$R2VGET4.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\$R2VGET4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 196 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 196 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 196 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 196 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 196 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 196 wrote to memory of 652 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 196 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 196 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 196 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 196 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1144 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 196 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.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\$R2VGET4.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\eSFNAbyW.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eSFNAbyW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

Network

Country Destination Domain Proto
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp

Files

memory/196-0-0x0000000000500000-0x0000000000628000-memory.dmp

memory/196-1-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/196-2-0x00000000052F0000-0x00000000057EE000-memory.dmp

memory/196-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

memory/196-4-0x00000000050B0000-0x00000000050C0000-memory.dmp

memory/196-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

memory/196-6-0x00000000050C0000-0x000000000515C000-memory.dmp

memory/196-7-0x0000000005290000-0x00000000052A6000-memory.dmp

memory/196-8-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/196-9-0x00000000050B0000-0x00000000050C0000-memory.dmp

memory/196-10-0x00000000059A0000-0x00000000059AE000-memory.dmp

memory/196-11-0x00000000067B0000-0x0000000006884000-memory.dmp

memory/3224-18-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/3224-19-0x0000000004980000-0x00000000049B6000-memory.dmp

memory/3224-20-0x0000000006E40000-0x0000000006E50000-memory.dmp

memory/3224-21-0x0000000006E40000-0x0000000006E50000-memory.dmp

memory/3224-23-0x0000000007480000-0x0000000007AA8000-memory.dmp

memory/652-25-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/652-26-0x0000000006920000-0x0000000006930000-memory.dmp

memory/652-27-0x0000000006920000-0x0000000006930000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp

MD5 526a81461df0cca7dd58846010b10a42
SHA1 fcda2d075f755bca872b16e827e7fb7ee88ce020
SHA256 5e678975f1cb8683b62895f68460fe0615035d0492a1598c2a1c73f02ad611df
SHA512 fed356cbedc3de69549109cafd1104b5d50c31b04671838f75ec7aa1f24966bdf7df3832a38d6f5ec067393772a6f36938c1e8ea471a7578b4d17792ad3de618

memory/652-29-0x0000000002DD0000-0x0000000002DF2000-memory.dmp

memory/3224-30-0x0000000007B90000-0x0000000007BF6000-memory.dmp

memory/3224-31-0x0000000007B20000-0x0000000007B86000-memory.dmp

memory/652-33-0x0000000007590000-0x00000000078E0000-memory.dmp

memory/1264-34-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-35-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-32-0x0000000000400000-0x0000000000481000-memory.dmp

memory/196-38-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/1264-39-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-41-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-42-0x0000000000400000-0x0000000000481000-memory.dmp

memory/652-43-0x0000000006900000-0x000000000691C000-memory.dmp

memory/1264-44-0x0000000000400000-0x0000000000481000-memory.dmp

memory/652-45-0x0000000006D40000-0x0000000006D8B000-memory.dmp

memory/652-46-0x0000000007B60000-0x0000000007BD6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lriel1by.elh.ps1

MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

memory/3224-81-0x000000007ED60000-0x000000007ED70000-memory.dmp

memory/3224-80-0x0000000073A50000-0x0000000073A9B000-memory.dmp

memory/652-79-0x0000000008A50000-0x0000000008A83000-memory.dmp

memory/652-83-0x0000000073A50000-0x0000000073A9B000-memory.dmp

memory/652-84-0x000000007F170000-0x000000007F180000-memory.dmp

memory/3224-82-0x0000000009360000-0x000000000937E000-memory.dmp

memory/3224-93-0x00000000093C0000-0x0000000009465000-memory.dmp

memory/3224-94-0x0000000006E40000-0x0000000006E50000-memory.dmp

memory/3224-96-0x00000000098A0000-0x0000000009934000-memory.dmp

memory/652-95-0x0000000006920000-0x0000000006930000-memory.dmp

memory/652-482-0x0000000006A80000-0x0000000006A9A000-memory.dmp

memory/3224-491-0x0000000007010000-0x0000000007018000-memory.dmp

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

MD5 df451255fce463c7ee51a4d9f2857981
SHA1 64b4818a075bbf6a73e4d7bf0a9922ef679b34ac
SHA256 49cef38572434054ded7a62e3865c3e5ee3be733d9a32f45f9b824ace88d063f
SHA512 5dca1a89a6d808e9b2831364cc11404739b50bd613ac1af7b62edc94215057e59217d18ba00e828574e20ba7fdfe4c67cf7fcd90b63a35fa91d3add4b612c004

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

MD5 1c19c16e21c97ed42d5beabc93391fc5
SHA1 8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA256 1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA512 7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

memory/652-523-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/3224-524-0x00000000732D0000-0x00000000739BE000-memory.dmp

memory/1264-525-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-526-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-529-0x0000000000400000-0x0000000000481000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 f46438ff20cf4b7b7067194df35037d6
SHA1 f4c9e481ed2fed4e0becd3c5fb70e9ce7556c459
SHA256 f50f82180042af4e8a931751f988578a24e550d4fe34d3dcfe23b583d9b1f8c7
SHA512 d048c05d839ef97c4882764c23cb8f1cebcc04837f17f490d27f08d6153a0b231a48676530d87344342068712c4abf1362fad28deeb91fd2e0120818990e452e

memory/1264-533-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-534-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-539-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-540-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-545-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1264-547-0x0000000000400000-0x0000000000481000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2023-12-05 21:13

Reported

2023-12-05 21:16

Platform

win10v2004-20231201-en

Max time kernel

149s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

Signatures

Remcos

rat remcos

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4928 set thread context of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
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\$R2VGET4.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\$R2VGET4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4928 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4928 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4928 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4928 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4928 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4928 wrote to memory of 4856 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4928 wrote to memory of 3236 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 4928 wrote to memory of 3236 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 4928 wrote to memory of 3236 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Windows\SysWOW64\schtasks.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe
PID 4928 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.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\$R2VGET4.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\eSFNAbyW.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eSFNAbyW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF889.tmp"

C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe

"C:\Users\Admin\AppData\Local\Temp\$R2VGET4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp
CA 167.114.189.33:2404 tcp

Files

memory/4928-0-0x0000000000420000-0x0000000000548000-memory.dmp

memory/4928-1-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/4928-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

memory/4928-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

memory/4928-4-0x00000000050D0000-0x00000000050E0000-memory.dmp

memory/4928-5-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

memory/4928-6-0x00000000051E0000-0x000000000527C000-memory.dmp

memory/4928-7-0x0000000005380000-0x0000000005396000-memory.dmp

memory/4928-8-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/4928-9-0x00000000050D0000-0x00000000050E0000-memory.dmp

memory/4928-10-0x00000000053B0000-0x00000000053BE000-memory.dmp

memory/4928-11-0x00000000069C0000-0x0000000006A94000-memory.dmp

memory/2632-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/2632-18-0x0000000004670000-0x0000000004680000-memory.dmp

memory/2632-16-0x00000000045C0000-0x00000000045F6000-memory.dmp

memory/2632-19-0x0000000004670000-0x0000000004680000-memory.dmp

memory/2632-20-0x0000000004CB0000-0x00000000052D8000-memory.dmp

memory/4856-21-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/4856-22-0x0000000002750000-0x0000000002760000-memory.dmp

memory/4856-24-0x0000000005110000-0x0000000005176000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF889.tmp

MD5 3065fee6c163dcdc801aa730fcbb782c
SHA1 e33bc33ccd0ea8853e78cf55b5bad2d6c713de8a
SHA256 004919a0a7baf7b0a74698c91c8926af7154f4ffe38c7d82ba8b7d2cba0c91c8
SHA512 a5adad403551721b8c5e23af8d99adb3b23078c2f03828896b409754e8e402947d8b693eceabd90e1af7ad276f80699f6c2af581eba02bd926deec99054aa302

memory/2632-26-0x0000000005980000-0x00000000059E6000-memory.dmp

memory/2632-32-0x00000000054B0000-0x0000000005804000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vfzpw5v3.5di.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2632-23-0x0000000004AC0000-0x0000000004AE2000-memory.dmp

memory/3608-42-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-47-0x0000000000400000-0x0000000000481000-memory.dmp

memory/4928-50-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/3608-49-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-52-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-54-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-55-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-56-0x0000000000400000-0x0000000000481000-memory.dmp

memory/4856-57-0x00000000060B0000-0x00000000060CE000-memory.dmp

memory/4856-58-0x0000000006140000-0x000000000618C000-memory.dmp

memory/4856-60-0x000000007F950000-0x000000007F960000-memory.dmp

memory/4856-61-0x0000000073270000-0x00000000732BC000-memory.dmp

memory/2632-63-0x000000007F9C0000-0x000000007F9D0000-memory.dmp

memory/2632-62-0x0000000073270000-0x00000000732BC000-memory.dmp

memory/4856-59-0x0000000006680000-0x00000000066B2000-memory.dmp

memory/2632-73-0x0000000006160000-0x000000000617E000-memory.dmp

memory/4856-84-0x0000000007090000-0x0000000007133000-memory.dmp

memory/4856-83-0x0000000002750000-0x0000000002760000-memory.dmp

memory/4856-85-0x0000000007A20000-0x000000000809A000-memory.dmp

memory/2632-86-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

memory/4856-87-0x0000000007440000-0x000000000744A000-memory.dmp

memory/4856-88-0x0000000007650000-0x00000000076E6000-memory.dmp

memory/2632-89-0x00000000070E0000-0x00000000070F1000-memory.dmp

memory/2632-90-0x0000000007110000-0x000000000711E000-memory.dmp

memory/2632-91-0x0000000007120000-0x0000000007134000-memory.dmp

memory/2632-92-0x0000000007200000-0x000000000721A000-memory.dmp

memory/4856-93-0x00000000076F0000-0x00000000076F8000-memory.dmp

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

MD5 fcb3bdab5c4ee89ad206fcfb87533905
SHA1 cbd007e57dc64063049e03c14860428a66d5d2b7
SHA256 cae76768699cbc021db79a68b1c11c238551ab1d401c6a6602494d9369824002
SHA512 00349125b6517c1b7fa6e50cc74cf13bf6f7de37f40eeb589d52a66a499e0c5d391b383933ebc3ce8811d84ac8f93061544d25b699ed28403498d4851501554b

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

MD5 968cb9309758126772781b83adb8a28f
SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

memory/2632-99-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/4856-100-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/3608-105-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-106-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-107-0x0000000000400000-0x0000000000481000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 f46438ff20cf4b7b7067194df35037d6
SHA1 f4c9e481ed2fed4e0becd3c5fb70e9ce7556c459
SHA256 f50f82180042af4e8a931751f988578a24e550d4fe34d3dcfe23b583d9b1f8c7
SHA512 d048c05d839ef97c4882764c23cb8f1cebcc04837f17f490d27f08d6153a0b231a48676530d87344342068712c4abf1362fad28deeb91fd2e0120818990e452e

memory/3608-112-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-113-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-119-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-120-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-125-0x0000000000400000-0x0000000000481000-memory.dmp

memory/3608-126-0x0000000000400000-0x0000000000481000-memory.dmp