Malware Analysis Report

2024-11-15 08:39

Sample ID 220420-rnyy8sdah4
Target 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
Tags
rms evasion persistence rat trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8

Threat Level: Known bad

The file 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8 was found to be: Known bad.

Malicious Activity Summary

rms evasion persistence rat trojan upx

Modifies WinLogon for persistence

RMS

Sets file to hidden

Executes dropped EXE

UPX packed file

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

Drops file in System32 directory

Drops file in Windows directory

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: SetClipboardViewer

Suspicious behavior: EnumeratesProcesses

Runs .reg file with regedit

Suspicious use of SetWindowsHookEx

Views/modifies file attributes

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-20 14:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-20 14:21

Reported

2022-04-20 14:37

Platform

win7-20220414-en

Max time kernel

148s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe" C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Windows\\System64\\1rfusclient.exe, explorer.exe" C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe" C:\Windows\System64\1rfusclient.exe N/A

RMS

trojan rat rms

Sets file to hidden

evasion

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\System64\1rfusclient.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\System64\rutserv.exe C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\vp8decoder.dll C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\vp8decoder.dll C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\1rfusclient.exe C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
File created C:\Windows\Zont911\Regedit.reg C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\Zont911\hostbb.zip C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\rfusclient.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\Logs\rms_log_2022-04.html C:\Windows\System64\rutserv.exe N/A
File created C:\Windows\Zont911\Tupe.bat C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\Logs\rms_log_2022-04.html C:\Windows\System64\rutserv.exe N/A
File opened for modification C:\Windows\System64 C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\rfusclient.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\rutserv.exe C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\vp8encoder.dll C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\vp8encoder.dll C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\rfusclient.exe C:\Windows\SysWOW64\attrib.exe N/A
File created C:\Windows\System64\1rfusclient.exe C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
File opened for modification C:\Windows\System64\rutserv.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\vp8decoder.dll C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\vp8encoder.dll C:\Windows\System64\1rfusclient.exe N/A

Enumerates physical storage devices

Runs .reg file with regedit

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\1rfusclient.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rfusclient.exe N/A

Suspicious behavior: SetClipboardViewer

Description Indicator Process Target
N/A N/A C:\Windows\System64\rfusclient.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\System64\rutserv.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1700 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 1700 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 1700 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 1700 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 1904 wrote to memory of 2008 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 1904 wrote to memory of 2008 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 1904 wrote to memory of 2008 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 1904 wrote to memory of 2008 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 1904 wrote to memory of 1976 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 1904 wrote to memory of 1976 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 1904 wrote to memory of 1976 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 1904 wrote to memory of 1976 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 1976 wrote to memory of 896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1976 wrote to memory of 896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1976 wrote to memory of 896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1976 wrote to memory of 896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1976 wrote to memory of 784 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 784 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 784 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 784 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 1168 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 1168 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 1168 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 1168 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1976 wrote to memory of 844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1936 wrote to memory of 1888 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1888 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1888 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1888 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1132 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1132 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1132 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1936 wrote to memory of 1132 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1976 wrote to memory of 1444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1444 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1976 wrote to memory of 1116 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1888 wrote to memory of 1624 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe
PID 1888 wrote to memory of 1624 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe
PID 1888 wrote to memory of 1624 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe
PID 1888 wrote to memory of 1624 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe

"C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe"

C:\Windows\System64\1rfusclient.exe

"C:\Windows\System64\1rfusclient.exe"

C:\Windows\SysWOW64\regedit.exe

"C:\Windows\System32\regedit.exe" /s "C:\Windows\Zont911\Regedit.reg"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Windows\Zont911\Tupe.bat" "

C:\Windows\SysWOW64\chcp.com

Chcp 1251

C:\Windows\System64\rutserv.exe

"C:\Windows\System64\rutserv.exe" /silentinstall

C:\Windows\System64\rutserv.exe

"C:\Windows\System64\rutserv.exe" /firewall

C:\Windows\System64\rutserv.exe

"C:\Windows\System64\rutserv.exe" /start

C:\Windows\System64\rutserv.exe

C:\Windows\System64\rutserv.exe

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe /tray

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Windows\System64\*.*" +s +h

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Windows\System64" +s +h

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe /tray

Network

Country Destination Domain Proto
US 8.8.8.8:53 rmansys.ru udp
RU 31.31.198.18:80 rmansys.ru tcp
RU 31.31.198.18:80 rmansys.ru tcp
US 8.8.8.8:53 rms-server.tektonit.ru udp
RU 95.213.205.83:5655 rms-server.tektonit.ru tcp

Files

memory/1700-54-0x00000000753B1000-0x00000000753B3000-memory.dmp

\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

memory/1904-57-0x0000000000000000-mapping.dmp

\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

C:\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

C:\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

memory/2008-62-0x0000000000000000-mapping.dmp

C:\Windows\Zont911\Regedit.reg

MD5 b8b5df7bd66996fb97cf2f80f866a7b1
SHA1 2fca802b31d0074f5ab68a45854fa3bbdf2603db
SHA256 e7878603265c8d6d0fa092a5b5ee3755380ed33216a8836d80dc49cac92366d2
SHA512 af6b9409b7a902f64073d0b39163d6d71cbe11f9063b2ea7dc926c235acb9a500fe7f3776b39d442e3e8817ecd1a8b1fdac3811c4e740c4125d52c47fd4d1546

memory/1976-65-0x0000000000000000-mapping.dmp

C:\Windows\Zont911\Tupe.bat

MD5 10cb21f5d07a83f4c3d66974cbc2cf79
SHA1 08e325ec7e92c3e3b9b7eb605ff6a8d9e4596f57
SHA256 58474de64432e063c41c427119b46d8aba84c13b067b52073f9e9863a963963a
SHA512 689ff96b0561bfe5a72bbc83ca190394ab7e76d1280595c8233463c92218610f25c3223ce1bd52e14073ca9bb5d28d239119427b98da70bb32063eb223374b8c

memory/896-67-0x0000000000000000-mapping.dmp

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

memory/784-71-0x0000000000000000-mapping.dmp

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

memory/1168-74-0x0000000000000000-mapping.dmp

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

memory/844-77-0x0000000000000000-mapping.dmp

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

C:\Windows\System64\vp8encoder.dll

MD5 dab4646806dfca6d0e0b4d80fa9209d6
SHA1 8244dfe22ec2090eee89dad103e6b2002059d16a
SHA256 cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587
SHA512 aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7

C:\Windows\System64\vp8decoder.dll

MD5 d43fa82fab5337ce20ad14650085c5d9
SHA1 678aa092075ff65b6815ffc2d8fdc23af8425981
SHA256 c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b
SHA512 103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d

\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

memory/1888-85-0x0000000000000000-mapping.dmp

\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

memory/1132-87-0x0000000000000000-mapping.dmp

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

memory/1444-92-0x0000000000000000-mapping.dmp

memory/1116-93-0x0000000000000000-mapping.dmp

memory/1624-94-0x0000000000000000-mapping.dmp

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-20 14:21

Reported

2022-04-20 14:38

Platform

win10v2004-20220414-en

Max time kernel

149s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe" C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Windows\\System64\\1rfusclient.exe, explorer.exe" C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe" C:\Windows\System64\1rfusclient.exe N/A

RMS

trojan rat rms

Sets file to hidden

evasion

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Windows\System64\1rfusclient.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\System64\1rfusclient.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\symbols\exe\rutserv.pdb C:\Windows\System64\rutserv.exe N/A
File opened for modification C:\Windows\SysWOW64\rutserv.pdb C:\Windows\System64\rutserv.exe N/A
File opened for modification C:\Windows\SysWOW64\exe\rutserv.pdb C:\Windows\System64\rutserv.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\System64\rfusclient.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\rutserv.exe C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64 C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\rutserv.pdb C:\Windows\System64\rutserv.exe N/A
File opened for modification C:\Windows\System64\Logs\rms_log_2022-04.html C:\Windows\System64\rutserv.exe N/A
File created C:\Windows\System64\1rfusclient.exe C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
File created C:\Windows\Zont911\hostbb.zip C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\vp8decoder.dll C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\vp8encoder.dll C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\vp8encoder.dll C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\Zont911\Tupe.bat C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\vp8encoder.dll C:\Windows\SysWOW64\attrib.exe N/A
File created C:\Windows\Zont911\Regedit.reg C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\rfusclient.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\rutserv.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\1rfusclient.exe C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
File created C:\Windows\System64\rutserv.exe C:\Windows\System64\1rfusclient.exe N/A
File opened for modification C:\Windows\System64\vp8decoder.dll C:\Windows\System64\1rfusclient.exe N/A
File created C:\Windows\System64\Logs\rms_log_2022-04.html C:\Windows\System64\rutserv.exe N/A
File opened for modification C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\rfusclient.exe C:\Windows\SysWOW64\attrib.exe N/A
File opened for modification C:\Windows\System64\vp8decoder.dll C:\Windows\SysWOW64\attrib.exe N/A

Enumerates physical storage devices

Runs .reg file with regedit

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe N/A

Suspicious behavior: SetClipboardViewer

Description Indicator Process Target
N/A N/A C:\Windows\System64\rfusclient.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\System64\rutserv.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\System64\rutserv.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A
N/A N/A C:\Windows\System64\rutserv.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4984 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 4984 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 4984 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe C:\Windows\System64\1rfusclient.exe
PID 2180 wrote to memory of 4924 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 2180 wrote to memory of 4924 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 2180 wrote to memory of 4924 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\regedit.exe
PID 2180 wrote to memory of 1108 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 2180 wrote to memory of 1108 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 2180 wrote to memory of 1108 N/A C:\Windows\System64\1rfusclient.exe C:\Windows\SysWOW64\cmd.exe
PID 1108 wrote to memory of 4748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1108 wrote to memory of 4748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1108 wrote to memory of 4748 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1108 wrote to memory of 4704 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 4704 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 4704 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 2660 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 1944 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 1944 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 1108 wrote to memory of 1944 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\System64\rutserv.exe
PID 2208 wrote to memory of 4996 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 2208 wrote to memory of 4996 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 2208 wrote to memory of 4996 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 2208 wrote to memory of 5116 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 2208 wrote to memory of 5116 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 2208 wrote to memory of 5116 N/A C:\Windows\System64\rutserv.exe C:\Windows\System64\rfusclient.exe
PID 1108 wrote to memory of 5012 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1108 wrote to memory of 5012 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1108 wrote to memory of 5012 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1108 wrote to memory of 5016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1108 wrote to memory of 5016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 1108 wrote to memory of 5016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 4996 wrote to memory of 1712 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe
PID 4996 wrote to memory of 1712 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe
PID 4996 wrote to memory of 1712 N/A C:\Windows\System64\rfusclient.exe C:\Windows\System64\rfusclient.exe

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe

"C:\Users\Admin\AppData\Local\Temp\7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8.exe"

C:\Windows\System64\1rfusclient.exe

"C:\Windows\System64\1rfusclient.exe"

C:\Windows\SysWOW64\regedit.exe

"C:\Windows\System32\regedit.exe" /s "C:\Windows\Zont911\Regedit.reg"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Windows\Zont911\Tupe.bat" "

C:\Windows\SysWOW64\chcp.com

Chcp 1251

C:\Windows\System64\rutserv.exe

"C:\Windows\System64\rutserv.exe" /silentinstall

C:\Windows\System64\rutserv.exe

"C:\Windows\System64\rutserv.exe" /firewall

C:\Windows\System64\rutserv.exe

"C:\Windows\System64\rutserv.exe" /start

C:\Windows\System64\rutserv.exe

C:\Windows\System64\rutserv.exe

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe /tray

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Windows\System64\*.*" +s +h

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Windows\System64" +s +h

C:\Windows\System64\rfusclient.exe

C:\Windows\System64\rfusclient.exe /tray

Network

Country Destination Domain Proto
US 142.4.113.7:80 tcp
IE 20.54.89.15:443 tcp
NL 104.97.14.81:80 tcp
US 8.8.8.8:53 rmansys.ru udp
RU 31.31.198.18:80 rmansys.ru tcp
RU 31.31.198.18:80 rmansys.ru tcp
US 8.8.8.8:53 rms-server.tektonit.ru udp
RU 95.213.205.83:5655 rms-server.tektonit.ru tcp
NL 178.79.208.1:80 tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
RU 95.213.205.83:563 rms-server.tektonit.ru tcp

Files

C:\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

memory/2180-130-0x0000000000000000-mapping.dmp

C:\Windows\System64\1rfusclient.exe

MD5 1bb13a8dc3f7047507644e2554a3ed1c
SHA1 01f11194e7c1bd6895213da9d3424b31994cb016
SHA256 7a333a9533b7b791e250cb6c1b8888443067abc4f7753b3fe93a233f691941d8
SHA512 57bace1d7b712aa21f49bf9958ace981e909976f9d9b1e9fd75d7a20741491d1ba2c2ce505ba63e66f2861b1584833c268a795aa54dde7ba670b4284248d93ca

memory/4924-133-0x0000000000000000-mapping.dmp

C:\Windows\Zont911\Regedit.reg

MD5 b8b5df7bd66996fb97cf2f80f866a7b1
SHA1 2fca802b31d0074f5ab68a45854fa3bbdf2603db
SHA256 e7878603265c8d6d0fa092a5b5ee3755380ed33216a8836d80dc49cac92366d2
SHA512 af6b9409b7a902f64073d0b39163d6d71cbe11f9063b2ea7dc926c235acb9a500fe7f3776b39d442e3e8817ecd1a8b1fdac3811c4e740c4125d52c47fd4d1546

memory/1108-135-0x0000000000000000-mapping.dmp

C:\Windows\Zont911\Tupe.bat

MD5 10cb21f5d07a83f4c3d66974cbc2cf79
SHA1 08e325ec7e92c3e3b9b7eb605ff6a8d9e4596f57
SHA256 58474de64432e063c41c427119b46d8aba84c13b067b52073f9e9863a963963a
SHA512 689ff96b0561bfe5a72bbc83ca190394ab7e76d1280595c8233463c92218610f25c3223ce1bd52e14073ca9bb5d28d239119427b98da70bb32063eb223374b8c

memory/4748-137-0x0000000000000000-mapping.dmp

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

memory/4704-139-0x0000000000000000-mapping.dmp

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

memory/2660-142-0x0000000000000000-mapping.dmp

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

memory/1944-144-0x0000000000000000-mapping.dmp

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

C:\Windows\System64\rutserv.exe

MD5 fa4b26c53cfb2661ba072cf8da181b1a
SHA1 295f19aad28e80c5e371078989815c612110229c
SHA256 3a92288781a1f411f43e59ae32ea78b89997e7a5d1b6f12771f39fb6fa345db7
SHA512 f6399c683c41f518a1096c87303758d50d6419e62317bfe2d362f66e5048f81583be12b32348dc095a34c0de0a79867376fdb8fc4677080d665e001b38cbfa64

C:\Windows\System64\vp8decoder.dll

MD5 d43fa82fab5337ce20ad14650085c5d9
SHA1 678aa092075ff65b6815ffc2d8fdc23af8425981
SHA256 c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b
SHA512 103e61a9f58df03316676a074487e50ec518479c11068df3736df139b85c7671048c65bce0ef2c55b3c50c61fde54e9e6c7d1b795aea71263ae94c91d4874e0d

C:\Windows\System64\vp8encoder.dll

MD5 dab4646806dfca6d0e0b4d80fa9209d6
SHA1 8244dfe22ec2090eee89dad103e6b2002059d16a
SHA256 cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587
SHA512 aa5eb93bf23a10de797d6fb52a55a95d36bc48927c76fedd81e0c48872745cb7f7d1b3f230eaae42fd4e79b6a59ca707e56bd6963b03644cbd5984f11e98d6e7

memory/4996-149-0x0000000000000000-mapping.dmp

memory/5116-150-0x0000000000000000-mapping.dmp

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0

memory/5012-153-0x0000000000000000-mapping.dmp

memory/5016-154-0x0000000000000000-mapping.dmp

memory/1712-155-0x0000000000000000-mapping.dmp

C:\Windows\System64\rfusclient.exe

MD5 eac85a4a79a168cb47c0810e23e6d2fe
SHA1 0e053ed568dc2f07d76b0e006a9e19655797b89e
SHA256 86b9593479937ca7dfe9ef6744cc321808c0585b63312cb50952f709c498096f
SHA512 b424136d58d266ba045a2ad95efeb8cdc69d77a9442521bf196390b934a7752bf728daeaf2fb3df887abf9c719a2526a8179e368cb228603b9243e3c7148c8e0