rms | b53c443e37a06cf2c031531e3558e9f1cc2639d8f20148714f1744e3ed622681

Analysis

max time kernel
151s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 00:28

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General

Target

70f515d95bea22b5764185f203b57925.exe
Size

2.7MB
MD5

70f515d95bea22b5764185f203b57925
SHA1

5f5254764798d53bfdf2a00e235697bd222554fa
SHA256

b53c443e37a06cf2c031531e3558e9f1cc2639d8f20148714f1744e3ed622681
SHA512

6734f42c5791309ee166db4e0397473496295bc47b4e7cd87c00c3c9a988cbf70176b8d609295fa6bb947789e6f81b3a874e8facf294ab4d03894b17f996238d
SSDEEP

49152:QAJYJUfOJH2bzzkE/gNXov3rM+XhghAaecWviq7XzGx38uPDzWkmLm6oyq8bL7A1:7JYJIOJGzGmoPh/AJDGDLCHmI/S

Score

10^/10

rms evasion rat trojan

Malware Config

Signatures

RMS
Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
trojan rat rms

Modifies Windows Firewall 1 TTPs 8 IoCs

evasion

Windows Service

T1543.003

pid	Process
2904	netsh.exe
2116	netsh.exe
4636	netsh.exe
4632	netsh.exe
4956	netsh.exe
4596	netsh.exe
1168	netsh.exe
1720	netsh.exe

Sets file to hidden 1 TTPs 4 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1840	attrib.exe
2944	attrib.exe
3684	attrib.exe
3920	attrib.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	70f515d95bea22b5764185f203b57925.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 7 IoCs

pid	Process
2684	rutserv.exe
3340	rutserv.exe
1856	rutserv.exe
3148	rutserv.exe
1676	rfusclient.exe
3568	rfusclient.exe
2220	rfusclient.exe

Loads dropped DLL 14 IoCs

pid	Process
2684	rutserv.exe
2684	rutserv.exe
3340	rutserv.exe
3340	rutserv.exe
1856	rutserv.exe
1856	rutserv.exe
3148	rutserv.exe
3148	rutserv.exe
1676	rfusclient.exe
1676	rfusclient.exe
3568	rfusclient.exe
3568	rfusclient.exe
2220	rfusclient.exe
2220	rfusclient.exe

Drops file in System32 directory 38 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\catroot3\set.reg	cmd.exe
File opened for modification	C:\Windows\SysWOW64\symbols\exe\rutserv.pdb	rutserv.exe
File created	C:\Windows\SysWOW64\catroot3\rfusclient.exe	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\RWLN.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\rversionlib.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\de.exe	attrib.exe
File created	C:\Windows\SysWOW64\catroot3\dsfOggMux.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\rutserv.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\rfusclient.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\PushSource.ax	cmd.exe
File opened for modification	C:\Windows\SysWOW64\de.exe	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\Microsoft.VC80.CRT.manifest	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\PushSource.ax	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\rversionlib.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\rutserv.pdb	rutserv.exe
File created	C:\Windows\SysWOW64\catroot3\dsfTheoraEncoder.dll	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\msvcr80.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\msvcr80.dll	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\RIPCServer.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\RWLN.dll	cmd.exe
File created	C:\Windows\SysWOW64\RWLN.dll	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\RWLN.dll	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\rutserv.pdb	rutserv.exe
File created	C:\Windows\SysWOW64\de.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\Microsoft.VC80.CRT.manifest	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\dsfTheoraEncoder.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\msvcp80.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\dsfVorbisEncoder.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\HookDrv.dll	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\rutserv.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\set.reg	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3	attrib.exe
File created	C:\Windows\SysWOW64\catroot3\dsfVorbisEncoder.dll	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\msvcp80.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\RIPCServer.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\exe\rutserv.pdb	rutserv.exe
File opened for modification	C:\Windows\SysWOW64\catroot3\dsfOggMux.dll	cmd.exe
File created	C:\Windows\SysWOW64\catroot3\HookDrv.dll	cmd.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4896	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Kills process with taskkill 5 IoCs

evasion

pid	Process
4560	taskkill.exe
3340	taskkill.exe
3560	taskkill.exe
1716	taskkill.exe
2676	taskkill.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings	70f515d95bea22b5764185f203b57925.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings	cmd.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
2632	reg.exe
772	reg.exe

Runs .reg file with regedit 1 IoCs

pid	Process
3216	regedit.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3148	rutserv.exe
3148	rutserv.exe
3148	rutserv.exe
3148	rutserv.exe
1676	rfusclient.exe
1676	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	taskkill.exe
Token: SeDebugPrivilege	3340	taskkill.exe
Token: SeDebugPrivilege	3560	taskkill.exe
Token: SeDebugPrivilege	1716	taskkill.exe
Token: SeDebugPrivilege	2676	taskkill.exe
Token: SeDebugPrivilege	2684	rutserv.exe
Token: SeDebugPrivilege	1856	rutserv.exe
Token: SeTakeOwnershipPrivilege	3148	rutserv.exe
Token: SeTcbPrivilege	3148	rutserv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 4172	4832	70f515d95bea22b5764185f203b57925.exe	88
PID 4832 wrote to memory of 4172	4832	70f515d95bea22b5764185f203b57925.exe	88
PID 4832 wrote to memory of 4172	4832	70f515d95bea22b5764185f203b57925.exe	88
PID 4172 wrote to memory of 1812	4172	WScript.exe	89
PID 4172 wrote to memory of 1812	4172	WScript.exe	89
PID 4172 wrote to memory of 1812	4172	WScript.exe	89
PID 4832 wrote to memory of 4136	4832	70f515d95bea22b5764185f203b57925.exe	91
PID 4832 wrote to memory of 4136	4832	70f515d95bea22b5764185f203b57925.exe	91
PID 4832 wrote to memory of 4136	4832	70f515d95bea22b5764185f203b57925.exe	91
PID 1812 wrote to memory of 4140	1812	cmd.exe	93
PID 1812 wrote to memory of 4140	1812	cmd.exe	93
PID 1812 wrote to memory of 4140	1812	cmd.exe	93
PID 1812 wrote to memory of 4560	1812	cmd.exe	94
PID 1812 wrote to memory of 4560	1812	cmd.exe	94
PID 1812 wrote to memory of 4560	1812	cmd.exe	94
PID 1812 wrote to memory of 3340	1812	cmd.exe	96
PID 1812 wrote to memory of 3340	1812	cmd.exe	96
PID 1812 wrote to memory of 3340	1812	cmd.exe	96
PID 1812 wrote to memory of 1724	1812	cmd.exe	97
PID 1812 wrote to memory of 1724	1812	cmd.exe	97
PID 1812 wrote to memory of 1724	1812	cmd.exe	97
PID 1812 wrote to memory of 1840	1812	cmd.exe	98
PID 1812 wrote to memory of 1840	1812	cmd.exe	98
PID 1812 wrote to memory of 1840	1812	cmd.exe	98
PID 1812 wrote to memory of 2944	1812	cmd.exe	99
PID 1812 wrote to memory of 2944	1812	cmd.exe	99
PID 1812 wrote to memory of 2944	1812	cmd.exe	99
PID 1812 wrote to memory of 3920	1812	cmd.exe	103
PID 1812 wrote to memory of 3920	1812	cmd.exe	103
PID 1812 wrote to memory of 3920	1812	cmd.exe	103
PID 1812 wrote to memory of 3684	1812	cmd.exe	100
PID 1812 wrote to memory of 3684	1812	cmd.exe	100
PID 1812 wrote to memory of 3684	1812	cmd.exe	100
PID 1812 wrote to memory of 876	1812	cmd.exe	102
PID 1812 wrote to memory of 876	1812	cmd.exe	102
PID 1812 wrote to memory of 876	1812	cmd.exe	102
PID 876 wrote to memory of 5084	876	net.exe	101
PID 876 wrote to memory of 5084	876	net.exe	101
PID 876 wrote to memory of 5084	876	net.exe	101
PID 1812 wrote to memory of 3560	1812	cmd.exe	104
PID 1812 wrote to memory of 3560	1812	cmd.exe	104
PID 1812 wrote to memory of 3560	1812	cmd.exe	104
PID 1812 wrote to memory of 1716	1812	cmd.exe	105
PID 1812 wrote to memory of 1716	1812	cmd.exe	105
PID 1812 wrote to memory of 1716	1812	cmd.exe	105
PID 1812 wrote to memory of 2676	1812	cmd.exe	106
PID 1812 wrote to memory of 2676	1812	cmd.exe	106
PID 1812 wrote to memory of 2676	1812	cmd.exe	106
PID 1812 wrote to memory of 2312	1812	cmd.exe	107
PID 1812 wrote to memory of 2312	1812	cmd.exe	107
PID 1812 wrote to memory of 2312	1812	cmd.exe	107
PID 1812 wrote to memory of 1200	1812	cmd.exe	108
PID 1812 wrote to memory of 1200	1812	cmd.exe	108
PID 1812 wrote to memory of 1200	1812	cmd.exe	108
PID 1812 wrote to memory of 3220	1812	cmd.exe	109
PID 1812 wrote to memory of 3220	1812	cmd.exe	109
PID 1812 wrote to memory of 3220	1812	cmd.exe	109
PID 1812 wrote to memory of 1836	1812	cmd.exe	110
PID 1812 wrote to memory of 1836	1812	cmd.exe	110
PID 1812 wrote to memory of 1836	1812	cmd.exe	110
PID 1812 wrote to memory of 3188	1812	cmd.exe	111
PID 1812 wrote to memory of 3188	1812	cmd.exe	111
PID 1812 wrote to memory of 3188	1812	cmd.exe	111
PID 1812 wrote to memory of 2216	1812	cmd.exe	112

Views/modifies file attributes 1 TTPs 12 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1840	attrib.exe
3920	attrib.exe
2312	attrib.exe
3220	attrib.exe
1836	attrib.exe
3272	attrib.exe
2944	attrib.exe
3684	attrib.exe
1200	attrib.exe
3188	attrib.exe
2216	attrib.exe
3852	attrib.exe

C:\Users\Admin\AppData\Local\Temp\70f515d95bea22b5764185f203b57925.exe
"C:\Users\Admin\AppData\Local\Temp\70f515d95bea22b5764185f203b57925.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\stop.js"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
    3⤵
    - Checks computer location settings
    - Drops file in System32 directory
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mes.js"
      4⤵
      PID:4140
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im RManServer.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:4560
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im rutserv.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:3340
  - - C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
      4⤵
      PID:1724
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h "C:\Windows\System32\catroot3"
      4⤵
      Sets file to hidden
      Drops file in System32 directory
      Views/modifies file attributes
      PID:1840
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r "C:\Users\Admin\AppData\Local\Temp\stop.js"
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:2944
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r "C:\Windows\System32\de.exe"
      4⤵
      Sets file to hidden
      Drops file in System32 directory
      Views/modifies file attributes
      PID:3684
  - - C:\Windows\SysWOW64\net.exe
      net stop rserver3
      4⤵
      Suspicious use of WriteProcessMemory
      PID:876
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r "C:\Users\Admin\AppData\Local\Temp\install.bat"
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:3920
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im rserver3.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:3560
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im r_server.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1716
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im cam_server.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2676
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r "C:\Windows\system32\cam_server.exe"
      4⤵
      Views/modifies file attributes
      PID:2312
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r "C:\Windows\SysWOW64\cam_server.exe"
      4⤵
      Views/modifies file attributes
      PID:1200
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h "C:\Windows\system32\rserver30"
      4⤵
      Views/modifies file attributes
      PID:3220
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h "C:\Windows\SysWOW64\rserver30"
      4⤵
      Views/modifies file attributes
      PID:1836
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r "C:\Windows\system32\r_server.exe"
      4⤵
      Views/modifies file attributes
      PID:3188
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r "C:\Windows\SysWOW64\r_server.exe"
      4⤵
      Views/modifies file attributes
      PID:2216
  - - C:\Windows\SysWOW64\net.exe
      net stop Telnet
      4⤵
      PID:1604
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop Telnet
        5⤵
        
        PID:1844
  - - C:\Windows\SysWOW64\sc.exe
      sc config tlntsvr start= disabled
      4⤵
      Launches sc.exe
      PID:4896
  - - C:\Windows\SysWOW64\net.exe
      net stop "Service Host Controller"
      4⤵
      PID:1432
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Service Host Controller"
        5⤵
        
        PID:4200
  - - C:\Windows\SysWOW64\net.exe
      net user HelpAssistant /delete
      4⤵
      PID:2492
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 user HelpAssistant /delete
        5⤵
        
        PID:4332
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /delete /tn security /f
      4⤵
      PID:4392
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete rule name="RealIP"
      4⤵
      Modifies Windows Firewall
      PID:1168
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete rule name="Microsoft Outlook Express"
      4⤵
      Modifies Windows Firewall
      PID:1720
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete rule name="Service Host Controller"
      4⤵
      Modifies Windows Firewall
      PID:2904
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete rule name="ò«ßΓ-»α«µÑßß ñ½∩ ß½πªí Windows"
      4⤵
      Modifies Windows Firewall
      PID:2116
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete rule name="ò«ßΓ-»α«µÑßß ñ½∩ ºáñáτ Windows"
      4⤵
      Modifies Windows Firewall
      PID:4636
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete portopening tcp 57009
      4⤵
      Modifies Windows Firewall
      PID:4632
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete rule name="cam_server"
      4⤵
      Modifies Windows Firewall
      PID:4956
  - - C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall delete portopening tcp 57011 all
      4⤵
      Modifies Windows Firewall
      PID:4596
  - - C:\Windows\SysWOW64\reg.exe
      reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /v "Ä»Ñαáµ¿«¡¡á∩ ß¿ßΓÑ¼á Microsoft Windows" /f
      4⤵
      Modifies registry key
      PID:2632
  - - C:\Windows\SysWOW64\reg.exe
      reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run /v "Service Host Controller" /f
      4⤵
      Modifies registry key
      PID:772
  - - C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList" /v HelpAssistant /f
      4⤵
      PID:3472
  - - C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "cam_server.exe" /f
      4⤵
      PID:2152
  - - C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\System\CurrentControlSet\Services\RServer3" /f
      4⤵
      PID:4408
  - - C:\Windows\SysWOW64\catroot3\rutserv.exe
      "rutserv.exe" /silentinstall
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      Suspicious use of AdjustPrivilegeToken
      PID:2684
  - - C:\Windows\SysWOW64\catroot3\rutserv.exe
      "rutserv.exe" /firewall
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:3340
  - - C:\Windows\SysWOW64\regedit.exe
      regedit /s set.reg
      4⤵
      Runs .reg file with regedit
      PID:3216
  - - C:\Windows\SysWOW64\catroot3\rutserv.exe
      "rutserv.exe" /start
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:1856
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r "C:\Users\Admin\AppData\Local\Temp\stop.js"
      4⤵
      Views/modifies file attributes
      PID:3272
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r "C:\Users\Admin\AppData\Local\Temp\install.bat"
      4⤵
      Views/modifies file attributes
      PID:3852
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd" "
  2⤵
  PID:4136

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop rserver3
1⤵
PID:5084

C:\Windows\SysWOW64\catroot3\rutserv.exe
C:\Windows\SysWOW64\catroot3\rutserv.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148
- C:\Windows\SysWOW64\catroot3\rfusclient.exe
  C:\Windows\SysWOW64\catroot3\rfusclient.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1676
- - C:\Windows\SysWOW64\catroot3\rfusclient.exe
    C:\Windows\SysWOW64\catroot3\rfusclient.exe /tray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2220
- C:\Windows\SysWOW64\catroot3\rfusclient.exe
  C:\Windows\SysWOW64\catroot3\rfusclient.exe /tray
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd

Filesize
236B

MD5
7e960e034c2bd61d8430c554c3f59225

SHA1
462fae70574a49807e6419274e492a68a14d9a76

SHA256
cd8ac5031197745c596f708aa42d500b5b982e0ebbb273ca9bf856ffdea40f54

SHA512
a90db573f9c241689dde85801a730664df00a3e212574150e00891ae9abc0b4b8fbfe39478656b7ef464eeacbdc8b141aaa9d112246ae2aed17ccabbef412607

Download Submit
C:\Users\Admin\AppData\Local\Temp\HookDrv.dll

Filesize
144KB

MD5
513066a38057079e232f5f99baef2b94

SHA1
a6da9e87415b8918447ec361ba98703d12b4ee76

SHA256
02dbea75e8dbcdfc12c6b92a6c08efad83d4ca742ed7aee393ab26cab0c58f9e

SHA512
83a074bef57f78ede2488dd586b963b92837e17eea77ebd1464f3da06954ae8ca07f040089af0c257e2836611ae39424574bd365aea4a6318a2707e031cd31a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft.VC80.CRT.manifest

Filesize
1KB

MD5
d34b3da03c59f38a510eaa8ccc151ec7

SHA1
41b978588a9902f5e14b2b693973cb210ed900b2

SHA256
a50941352cb9d8f7ba6fbf7db5c8af95fb5ab76fc5d60cfd0984e558678908cc

SHA512
231a97761d652a0fc133b930abba07d456ba6cd70703a632fd7292f6ee00e50ef28562159e54acc3fc6cc118f766ea3f2f8392579ae31cc9c0c1c0dd761d36f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\PushSource.ax

Filesize
448KB

MD5
d7eb741be9c97a6d1063102f0e4ca44d

SHA1
bf8bdca7f56ed39fb96141ae9593dec497f4e2c8

SHA256
0914ab04bfd258008fec4605c3fa0e23c0d5111b9cfc374cfa4eaa1b4208dff7

SHA512
cbcaedf5aca641313ba2708e4be3ea0d18dd63e4543f2c2fdcbd31964a2c01ff42724ec666da24bf7bf7b8faaa5eceae761edf82c71919753d42695c9588e65e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RIPCServer.dll

Filesize
96KB

MD5
329354f10504d225384e19c8c1c575db

SHA1
9ef0b6256f3c5bbeb444cb00ee4b278847e8aa66

SHA256
24735b40df2cdac4da4e3201fc597eed5566c5c662aa312fa491b7a24e244844

SHA512
876585dd23f799f1b7cef365d3030213338b3c88bc2b20174e7c109248319bb5a3feaef43c0b962f459b2f4d90ff252c4704d6f1a0908b087e24b4f03eba9c0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RWLN.dll

Filesize
325KB

MD5
cf6ce6b13673dd11f0cd4b597ac56edb

SHA1
2017888be6edbea723b9b888ac548db5115df09e

SHA256
7bda291b7f50049088ea418b5695929b9be11cc014f6ec0f43f495285d1d6f74

SHA512
e5b69b4ee2ff8d9682913a2f846dc2eca8223d3100d626aea9763653fe7b8b35b8e6dc918f4c32e8ae2fc1761611dcd0b16d623ede954f173db33216b33f49dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\de.exe

Filesize
98KB

MD5
b8622a3042d7fa48b2e6de433007c870

SHA1
6399b9d115c3f1d3c5469f81b1a821bf75b75ae8

SHA256
cdb8330b9a36462dad63fb5c98520c4dd1cecf8a20d071bb0eff15ecf9fe0c98

SHA512
19450e826c78cc9526bf9ccba356fa63c8282ae3093db9ad71c1f21bcd80b3850b3aabbd2221fd6ddc293378df3d52ac0484c8882aeee517145d018ce3b4ed73

Download Submit
C:\Users\Admin\AppData\Local\Temp\dsfOggMux.dll

Filesize
84KB

MD5
65889701199e41ae2abee652a232af6e

SHA1
3f76c39fde130b550013a4f13bfea2862b5628cf

SHA256
ef12a65d861a14aed28480946bc56fce479a21e9beac2983239eac6551d4f32e

SHA512
edbb1a1541a546d69e3fd64047a20613b47b3c08f2b639a53160b825c4a1462c4cc08a7bf417aa2db814f412fb16619c6c0d9364e21cc1c6d753ecf81f1d30f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\dsfTheoraEncoder.dll

Filesize
240KB

MD5
5f2fc8a0d96a1e796a4daae9465f5dd6

SHA1
224f13f3cbaa441c0cb6d6300715fda7136408ea

SHA256
f8686d8752801bb21c3d94ebe743758d79b9b59f33589ec8620e75a949d1871f

SHA512
da866275159b434205f259176c3937b7c77b14ed95d052152b05b984909e094bbd3b2702d3e874a4a1e1bc02fc5a8476ea43df8aee43542d56e832eacc8f54ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\dsfVorbisEncoder.dll

Filesize
1.6MB

MD5
086a9fd9179aad7911561eeff08cf7e2

SHA1
d390c28376e08769a06a4a8b46609b3a668f728b

SHA256
2cede6701b73a4ddd6422fde157ea54644a3a9598b3ba217cf2b30b595cf6282

SHA512
a98f593a306208da49e57e265daf37d6b1bd9f190fba45d65dd6cfa08801b760f540ea5cc443f9a1512eb5ddc01b1e4e28fc8ddecb9c0f1d42c884c4efaa7193

Download Submit
C:\Users\Admin\AppData\Local\Temp\install.bat

Filesize
4KB

MD5
011f14a1a59c0c446f5d0f6c168ed1f7

SHA1
cff018bc19278be9b73419a67cddee9831f9e9a4

SHA256
41e65323386d46854c2d47721abc6cd07cf0932912e79637a8d663d2dcb5c465

SHA512
c5d9fa8049afe0fe772098dd3b9e46349dcfc01452de7d9128a2b7556a62d406ad861ef34e084659d193b6c38c66530b6236d22f90a9a2e8a530cb78ed133332

Download Submit
C:\Users\Admin\AppData\Local\Temp\mes.js

Filesize
154B

MD5
0bf43169d817f42c7ccf55ddf2940d55

SHA1
d3c84dfc613a1c635de464a633d1678cac60bcf9

SHA256
49d4efe001243866edc91f8f9fd6231e1602bcfcab4e508d23d0cb5e68ea35c2

SHA512
c647cebbed6693e89c4592cb5565011c8831329ada1f8cb5714640264484ca38ac9146db1f2dc948bcf53e12e79c9a2ded44a8c09eb30d60d14a1ec8c34ab605

Download Submit
C:\Users\Admin\AppData\Local\Temp\msvcp80.dll

Filesize
541KB

MD5
8c53ccd787c381cd535d8dcca12584d8

SHA1
bc7ce60270a58450596aa3e3e5d0a99f731333d9

SHA256
384aaee2a103f7ed5c3ba59d4fb2ba22313aaa1fbc5d232c29dbc14d38e0b528

SHA512
e86c1426f1ad62d8f9bb1196dee647477f71b9aacafabb181f35e639c105779f95f1576b72c0a9216e876430383b8d44f27748b13c25e0548c254a0f641e4755

Download Submit
C:\Users\Admin\AppData\Local\Temp\msvcr80.dll

Filesize
617KB

MD5
1169436ee42f860c7db37a4692b38f0e

SHA1
4ccd15bf2c1b1d541ac883b0f42497e8ced6a5a3

SHA256
9382aaed2db19cd75a70e38964f06c63f19f63c9dfb5a33b0c2d445bb41b6e46

SHA512
e06064eb95a2ab9c3343672072f5b3f5983fc8ea9e5c92f79e50ba2e259d6d5fa8ed97170dea6d0d032ea6c01e074eefaab850d28965c7522fb7e03d9c65eae0

Download Submit
C:\Users\Admin\AppData\Local\Temp\rfusclient.exe

Filesize
2.8MB

MD5
a90c6e72a9e2602560c521a1647664ad

SHA1
22f7f0ddb0af04df7109c3ddbb7027909041fa73

SHA256
579e5984ad5eb6e5e4b004acd01c95f609a1330f3900cd9851562eb4ac879197

SHA512
fbba623cab28c0648e8bdd03c99df9e2a84180d72ea8e63367e943f8b432ebc36a7e10a8bfce11ad1803e54a8514f1ded4fec72e680ee04386965b5eb6a5d6c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\rutserv.exe

Filesize
3.2MB

MD5
62dbd11dc36780e35af1aafaa6a8f0f1

SHA1
dc6aaac7171b351be3397c3e0e1769dffa848723

SHA256
b06604ee55206b081a8378f771f3501f48df1c0023b1d6edcbc5f781aa521f57

SHA512
b7f311286387ab39a0a54ac3dbcb74d9db3de4e2657dd6f0e182e38e9ed5400e87f1000c7b978fd4bb34fc373dd99bcb18271296f03248366a9cb52afdaa695d

Download Submit
C:\Users\Admin\AppData\Local\Temp\rversionlib.dll

Filesize
310KB

MD5
3f95a06f40eaf51b86cef2bf036ebd7a

SHA1
64009c5f79661eb2f82c9a76a843c0d3a856695d

SHA256
1eb88258b18b215b44620326e35c90a8589f384710e7b2d61abf4f59203bd82d

SHA512
6f28b5de28026319bed198f06b5461f688ca401129f1125e9e9d3b58956cc0d546234c2d202827bd74b99afd2ead958a863a520a1f4b7e599d385a8a67062897

Download Submit
C:\Users\Admin\AppData\Local\Temp\set.reg

Filesize
14KB

MD5
0f47a01e21911e8cbfd6903bbf4579d8

SHA1
7fbc72f0a91c73f96dc056942d080911ff617a13

SHA256
7fe151bd0f7bd7a2f9558eeb4ed54e2070e2a9c233e6445a24a8891fd72d1f01

SHA512
5606535a4f51f4dc564fd972fea0d8cdd0ac79f2c1bea3c26b24984fb0068fba20479533c57c582af8572565c981939626a0c6bca298d57bd5785ef02b6515d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\stop.js

Filesize
215B

MD5
804b35ef108ec9839eb6a9335add8ca1

SHA1
bf91e6645c4a1c8cab2d20388469da9ed0a82d56

SHA256
fe111b7ea4e14ab7ba5004aea52b10030e0282bb5c40d4ba55761a2c5be59406

SHA512
822a3ec5e0e353058d4355bc01a44440dafe8d16c57744a3dcbc962eb110ed3f6843556568616bfc5dc7fad5f5832cd27d6591dc50105f2c79fc16c33919936d

Download Submit
C:\Windows\SysWOW64\catroot3\rfusclient.exe

Filesize
29KB

MD5
ce37892672b7e69da7a04e689d1dacbc

SHA1
66d26d74a8a86b597b2167118afe94e31baf25ee

SHA256
8f997537023f9f32bf8f87400ca2e19fa505f1fd20fabcdf67cb7c2ff97c7323

SHA512
8f51d0e2f8c0d3dcc9c118230ec3a9a00796bd6952510c9a888535a87246b0daeacb22087e5f35f8ee39ef5477cb7bda49c834bf6e4e20c102aea9280fc591fe

Download Submit
memory/1676-169-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1676-159-0x0000000000910000-0x0000000000968000-memory.dmp

Filesize
352KB

Download
memory/1676-158-0x0000000000400000-0x000000000075E000-memory.dmp

Filesize
3.4MB

Download
memory/1676-204-0x0000000000910000-0x0000000000968000-memory.dmp

Filesize
352KB

Download
memory/1676-138-0x0000000000910000-0x0000000000968000-memory.dmp

Filesize
352KB

Download
memory/1676-139-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1856-146-0x0000000000950000-0x00000000009A8000-memory.dmp

Filesize
352KB

Download
memory/1856-145-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/1856-120-0x0000000000950000-0x00000000009A8000-memory.dmp

Filesize
352KB

Download
memory/1856-121-0x0000000002870000-0x0000000002871000-memory.dmp

Filesize
4KB

Download
memory/2220-154-0x0000000000400000-0x000000000075E000-memory.dmp

Filesize
3.4MB

Download
memory/2220-155-0x0000000000C10000-0x0000000000C68000-memory.dmp

Filesize
352KB

Download
memory/2220-153-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/2220-152-0x0000000000C10000-0x0000000000C68000-memory.dmp

Filesize
352KB

Download
memory/2684-104-0x00000000028B0000-0x00000000028B1000-memory.dmp

Filesize
4KB

Download
memory/2684-103-0x0000000000D90000-0x0000000000DE8000-memory.dmp

Filesize
352KB

Download
memory/2684-108-0x0000000000D90000-0x0000000000DE8000-memory.dmp

Filesize
352KB

Download
memory/2684-107-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3148-171-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3148-126-0x00000000012B0000-0x00000000012B1000-memory.dmp

Filesize
4KB

Download
memory/3148-125-0x0000000000C70000-0x0000000000CC8000-memory.dmp

Filesize
352KB

Download
memory/3148-168-0x00000000012B0000-0x00000000012B1000-memory.dmp

Filesize
4KB

Download
memory/3148-162-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3148-156-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3148-157-0x0000000000C70000-0x0000000000CC8000-memory.dmp

Filesize
352KB

Download
memory/3340-113-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/3340-112-0x0000000000B50000-0x0000000000BA8000-memory.dmp

Filesize
352KB

Download
memory/3340-114-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3340-115-0x0000000000B50000-0x0000000000BA8000-memory.dmp

Filesize
352KB

Download
memory/3568-161-0x0000000000910000-0x0000000000968000-memory.dmp

Filesize
352KB

Download
memory/3568-160-0x0000000000400000-0x000000000075E000-memory.dmp

Filesize
3.4MB

Download
memory/3568-166-0x0000000000400000-0x000000000075E000-memory.dmp

Filesize
3.4MB

Download
memory/3568-170-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/3568-144-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download