rms | 6f78a9ec4dde9902a9eafe74d46d3807c1807323202ae51f54bf1c3874bbac77

Analysis

max time kernel
147s
max time network
178s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30-03-2024 23:04

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General

Target

sss/Install/smss.exe
Size

9.1MB
MD5

654ef0043a2140a9b4a3c3479fcc2c20
SHA1

2f04ce20503551c9e502aae447fe3e2323cb235a
SHA256

86d55ed79c6a468e2ca2950999307a3b6b0994b805583b1bda8302b2a48e580a
SHA512

fd920abc23347bf5633c9cfe74b707c528aca195bac54dd4e09cfd6e19a7dfc20a0d39dc1025e13387e5ae6b79bf83a95ccd6ffb142714ca7464ab5ca477e17d
SSDEEP

196608:3JVF1k+HVmf2uazME9UO8XF7uyR9phaku3PXmDKv5/XnYgdDc:3J31DHk2uazT9dCF7JtMkufXmDcYgVc

Score

10^/10

rms evasion persistence rat themida trojan

Malware Config

Signatures

RMS
Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
trojan rat rms
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

smss.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ smss.exe
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2228 netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	smss.exe

pid	process
2228	netsh.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RDPWinst.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TermService\Parameters\ServiceDll = "%ProgramFiles%\\RDP Wrapper\\rdpwrap.dll"	RDPWinst.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

smss.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	smss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	smss.exe

Checks computer location settings 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

winserv.exewinserv.exewinserv.exewinserv.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\International\Geo\Nation	winserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\International\Geo\Nation	winserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\International\Geo\Nation	winserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\International\Geo\Nation	winserv.exe

Executes dropped EXE 6 IoCs

Processes:

winserv.exewinserv.exewinserv.exeRDPWinst.exewinserv.exewinserv.exe

pid process

2520 winserv.exe
1956 winserv.exe
904 winserv.exe
1656 RDPWinst.exe
1464 winserv.exe
676 winserv.exe
Loads dropped DLL 1 IoCs

Processes:

pid process

592

pid	process
592

Themida packer 15 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral7/memory/1752-0-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-2-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-3-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-4-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-5-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-6-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-7-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-8-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-9-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-15-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-29-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-32-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-74-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-115-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida
behavioral7/memory/1752-130-0x000000013FC00000-0x0000000140A59000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

smss.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA smss.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 ip-api.com

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	smss.exe

flow	ioc
11	ip-api.com

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

RDPWinst.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions = "1"	RDPWinst.exe

AutoIT Executable 13 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral7/memory/1752-3-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-4-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-5-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-6-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-7-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-8-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-9-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-15-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-29-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-32-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-74-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-115-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe
behavioral7/memory/1752-130-0x000000013FC00000-0x0000000140A59000-memory.dmp	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

smss.exe

pid process

1752 smss.exe

Drops file in Program Files directory 4 IoCs

Processes:

smss.exeRDPWinst.exe

description	ioc	process
File opened for modification	C:\Program Files\RDP Wrapper\rdpwrap.ini	smss.exe
File created	C:\Program Files\RDP Wrapper\rdpwrap.ini	RDPWinst.exe
File created	C:\Program Files\RDP Wrapper\rdpwrap.dll	RDPWinst.exe
File opened for modification	C:\Program Files\RDP Wrapper	smss.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

smss.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	smss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	smss.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2428 schtasks.exe
2704 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2788 timeout.exe

pid	process
2428	schtasks.exe
2704	schtasks.exe

pid	process
2788	timeout.exe

Modifies registry class 3 IoCs

Processes:

smss.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database	smss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Charset	smss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Codepage	smss.exe

NTFS ADS 3 IoCs

Processes:

smss.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\sss\Install\winmgmts:\	smss.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\sss\Install\WinMgmts:\	smss.exe
File opened for modification	C:\ProgramData\Setup\winmgmts:\	smss.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

smss.exewinserv.exewinserv.exewinserv.exewinserv.exewinserv.exe

pid	process
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
2520	winserv.exe
2520	winserv.exe
2520	winserv.exe
2520	winserv.exe
2520	winserv.exe
1956	winserv.exe
1956	winserv.exe
1956	winserv.exe
1956	winserv.exe
904	winserv.exe
904	winserv.exe
904	winserv.exe
904	winserv.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1752	smss.exe
1464	winserv.exe
1464	winserv.exe
1464	winserv.exe
1464	winserv.exe
676	winserv.exe
676	winserv.exe
676	winserv.exe
676	winserv.exe

Suspicious behavior: LoadsDriver 4 IoCs

Processes:

pid process

592
592
592
592

pid	process
592
592
592
592

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

winserv.exewinserv.exeRDPWinst.exe

description	pid	process
Token: SeDebugPrivilege	2520	winserv.exe
Token: SeTakeOwnershipPrivilege	1956	winserv.exe
Token: SeTcbPrivilege	1956	winserv.exe
Token: SeTcbPrivilege	1956	winserv.exe
Token: SeDebugPrivilege	1656	RDPWinst.exe

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

winserv.exewinserv.exewinserv.exewinserv.exewinserv.exe

pid	process
2520	winserv.exe
2520	winserv.exe
2520	winserv.exe
2520	winserv.exe
1956	winserv.exe
1956	winserv.exe
1956	winserv.exe
1956	winserv.exe
904	winserv.exe
904	winserv.exe
904	winserv.exe
904	winserv.exe
1464	winserv.exe
1464	winserv.exe
1464	winserv.exe
1464	winserv.exe
676	winserv.exe
676	winserv.exe
676	winserv.exe
676	winserv.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

smss.exetaskeng.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exe

description	pid	process	target process
PID 1752 wrote to memory of 2428	1752	smss.exe	schtasks.exe
PID 1752 wrote to memory of 2428	1752	smss.exe	schtasks.exe
PID 1752 wrote to memory of 2428	1752	smss.exe	schtasks.exe
PID 1752 wrote to memory of 2704	1752	smss.exe	schtasks.exe
PID 1752 wrote to memory of 2704	1752	smss.exe	schtasks.exe
PID 1752 wrote to memory of 2704	1752	smss.exe	schtasks.exe
PID 1752 wrote to memory of 2520	1752	smss.exe	winserv.exe
PID 1752 wrote to memory of 2520	1752	smss.exe	winserv.exe
PID 1752 wrote to memory of 2520	1752	smss.exe	winserv.exe
PID 1752 wrote to memory of 2520	1752	smss.exe	winserv.exe
PID 900 wrote to memory of 904	900	taskeng.exe	winserv.exe
PID 900 wrote to memory of 904	900	taskeng.exe	winserv.exe
PID 900 wrote to memory of 904	900	taskeng.exe	winserv.exe
PID 900 wrote to memory of 904	900	taskeng.exe	winserv.exe
PID 1752 wrote to memory of 2600	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2600	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2600	1752	smss.exe	cmd.exe
PID 2600 wrote to memory of 1640	2600	cmd.exe	net.exe
PID 2600 wrote to memory of 1640	2600	cmd.exe	net.exe
PID 2600 wrote to memory of 1640	2600	cmd.exe	net.exe
PID 1640 wrote to memory of 2352	1640	net.exe	net1.exe
PID 1640 wrote to memory of 2352	1640	net.exe	net1.exe
PID 1640 wrote to memory of 2352	1640	net.exe	net1.exe
PID 1752 wrote to memory of 1520	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 1520	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 1520	1752	smss.exe	cmd.exe
PID 1520 wrote to memory of 1444	1520	cmd.exe	net.exe
PID 1520 wrote to memory of 1444	1520	cmd.exe	net.exe
PID 1520 wrote to memory of 1444	1520	cmd.exe	net.exe
PID 1444 wrote to memory of 1276	1444	net.exe	net1.exe
PID 1444 wrote to memory of 1276	1444	net.exe	net1.exe
PID 1444 wrote to memory of 1276	1444	net.exe	net1.exe
PID 1752 wrote to memory of 1076	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 1076	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 1076	1752	smss.exe	cmd.exe
PID 1076 wrote to memory of 2084	1076	cmd.exe	net.exe
PID 1076 wrote to memory of 2084	1076	cmd.exe	net.exe
PID 1076 wrote to memory of 2084	1076	cmd.exe	net.exe
PID 2084 wrote to memory of 2012	2084	net.exe	net1.exe
PID 2084 wrote to memory of 2012	2084	net.exe	net1.exe
PID 2084 wrote to memory of 2012	2084	net.exe	net1.exe
PID 1752 wrote to memory of 2288	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2288	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2288	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2612	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2612	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 2612	1752	smss.exe	cmd.exe
PID 2288 wrote to memory of 1260	2288	cmd.exe	net.exe
PID 2288 wrote to memory of 1260	2288	cmd.exe	net.exe
PID 2288 wrote to memory of 1260	2288	cmd.exe	net.exe
PID 1260 wrote to memory of 2980	1260	net.exe	net1.exe
PID 1260 wrote to memory of 2980	1260	net.exe	net1.exe
PID 1260 wrote to memory of 2980	1260	net.exe	net1.exe
PID 2612 wrote to memory of 2988	2612	cmd.exe	net.exe
PID 2612 wrote to memory of 2988	2612	cmd.exe	net.exe
PID 2612 wrote to memory of 2988	2612	cmd.exe	net.exe
PID 1752 wrote to memory of 1336	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 1336	1752	smss.exe	cmd.exe
PID 1752 wrote to memory of 1336	1752	smss.exe	cmd.exe
PID 2988 wrote to memory of 2284	2988	net.exe	net1.exe
PID 2988 wrote to memory of 2284	2988	net.exe	net1.exe
PID 2988 wrote to memory of 2284	2988	net.exe	net1.exe
PID 1336 wrote to memory of 1824	1336	cmd.exe	net.exe
PID 1336 wrote to memory of 1824	1336	cmd.exe	net.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\sss\Install\smss.exe
"C:\Users\Admin\AppData\Local\Temp\sss\Install\smss.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /TN "Microsoft\Windows\Wininet\winsers" /TR "\"C:\ProgramData\Windows Tasks Service\winserv.exe\" Task Service\winserv.exe" /SC MINUTE /MO 1 /RL HIGHEST
2⤵
- Creates scheduled task(s)
PID:2428

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /TN "Microsoft\Windows\Wininet\winser" /TR "\"C:\ProgramData\Windows Tasks Service\winserv.exe\" Task Service\winserv.exe" /SC ONLOGON /RL HIGHEST
2⤵
- Creates scheduled task(s)
PID:2704

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2520

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" -second
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1956

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net user John 12345 /add
2⤵
- Suspicious use of WriteProcessMemory
PID:2600

C:\Windows\system32\net.exe
net user John 12345 /add
3⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 user John 12345 /add
4⤵
PID:2352

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net localgroup "Администраторы" John /add
2⤵
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\system32\net.exe
net localgroup "Администраторы" John /add
3⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 localgroup "Администраторы" John /add
4⤵
PID:1276

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net localgroup "Пользователи удаленного рабочего стола" John /add
2⤵
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\system32\net.exe
net localgroup "Пользователи удаленного рабочего стола" John /add
3⤵
- Suspicious use of WriteProcessMemory
PID:2084

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 localgroup "Пользователи удаленного рабочего стола" John /add
4⤵
PID:2012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net localgroup "Пользователи удаленного управления" john /add" John /add
2⤵
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\system32\net.exe
net localgroup "Пользователи удаленного управления" john /add" John /add
3⤵
- Suspicious use of WriteProcessMemory
PID:1260

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 localgroup "Пользователи удаленного управления" john /add" John /add
4⤵
PID:2980

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net localgroup "Administrators" John /add
2⤵
- Suspicious use of WriteProcessMemory
PID:2612

C:\Windows\system32\net.exe
net localgroup "Administrators" John /add
3⤵
- Suspicious use of WriteProcessMemory
PID:2988

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 localgroup "Administrators" John /add
4⤵
PID:2284

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net localgroup "Administradores" John /add
2⤵
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\system32\net.exe
net localgroup "Administradores" John /add
3⤵
PID:1824

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 localgroup "Administradores" John /add
4⤵
PID:2080

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c net localgroup "Remote Desktop Users" john /add
2⤵
PID:820

C:\Windows\system32\net.exe
net localgroup "Remote Desktop Users" john /add
3⤵
PID:784

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 localgroup "Remote Desktop Users" john /add
4⤵
PID:2264

C:\ProgramData\RDPWinst.exe
C:\ProgramData\RDPWinst.exe -i
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Modifies WinLogon
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:1656

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="Remote Desktop" dir=in protocol=tcp localport=3389 profile=any action=allow
3⤵
- Modifies Windows Firewall
PID:2228

C:\Windows\system32\cmd.exe
cmd /c C:\Programdata\Install\del.bat
2⤵
PID:2568

C:\Windows\system32\timeout.exe
timeout 5
3⤵
- Delays execution with timeout.exe
PID:2788

C:\Windows\system32\taskeng.exe
taskeng.exe {916B53EC-06F1-40FE-A332-1357D6304647} S-1-5-21-778096762-2241304387-192235952-1000:AYFLYVMK\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:904

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1464

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:676

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Account Manipulation

T1098

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Install\del.bat
Filesize
315B

MD5
155557517f00f2afc5400ba9dc25308e

SHA1
77a53a8ae146cf1ade1c9d55bbd862cbeb6db940

SHA256
f00d027b0ed99814846378065b3da90d72d76307d37b7be46f5a480f425a764e

SHA512
40baee6e6b22c386886d89172ad7c17605166f992f2d364c68d90b9874ab6f7b85e0accc91e83b4fbd2ae702def365f23542f22f6be7ff2f7949496cc0ba8a32

Download Submit
C:\ProgramData\RDPWinst.exe
Filesize
1.4MB

MD5
3288c284561055044c489567fd630ac2

SHA1
11ffeabbe42159e1365aa82463d8690c845ce7b7

SHA256
ac92d4c6397eb4451095949ac485ef4ec38501d7bb6f475419529ae67e297753

SHA512
c25b28a340a23a9fa932aa95075f85fdd61880f29ef96f5179097b652f69434e0f1f8825e2648b2a0de1f4b0f9b8373080a22117974fcdf44112906d330fca02

Download Submit
C:\ProgramData\Windows Tasks Service\settings.dat
Filesize
2KB

MD5
bc909d39981af556d07dc67178f61472

SHA1
a4e5b1c5bc746435a5baf11b728e83fb8e654da0

SHA256
10cf28ab39bf7ba76b91b043a007006d13d4a661fbcaad3d7820c19407b1e6a8

SHA512
acf34884a865cdabfbb9a49b948ccc74fe1e158636b23e2f728c2df6fd2fb7bda0929eeddf4bf58d90b034215dafa5e2c697050c51c2f2259ff77fa02d80f51a

Download Submit
C:\ProgramData\Windows Tasks Service\winserv.exe
Filesize
10.2MB

MD5
3f4f5a6cb95047fea6102bd7d2226aa9

SHA1
fc09dd898b6e7ff546e4a7517a715928fbafc297

SHA256
99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

SHA512
de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3D33.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
\??\PIPE\samr
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Program Files\RDP Wrapper\rdpwrap.dll
Filesize
114KB

MD5
461ade40b800ae80a40985594e1ac236

SHA1
b3892eef846c044a2b0785d54a432b3e93a968c8

SHA256
798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

SHA512
421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

Download Submit
memory/676-151-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/676-150-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/676-149-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/676-148-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/676-147-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/904-39-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1464-136-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1464-137-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1464-138-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1464-139-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1656-76-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/1752-9-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-29-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-32-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-15-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-8-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-7-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-6-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-131-0x0000000076DC0000-0x0000000076F69000-memory.dmp

Filesize
1.7MB

Download
memory/1752-130-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-5-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-44-0x0000000076DC0000-0x0000000076F69000-memory.dmp

Filesize
1.7MB

Download
memory/1752-4-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-115-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-3-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-0-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-2-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1752-1-0x0000000076DC0000-0x0000000076F69000-memory.dmp

Filesize
1.7MB

Download
memory/1752-74-0x000000013FC00000-0x0000000140A59000-memory.dmp

Filesize
14.3MB

Download
memory/1956-48-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/1956-53-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1956-55-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/1956-56-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download
memory/1956-57-0x0000000005980000-0x0000000005981000-memory.dmp

Filesize
4KB

Download
memory/1956-58-0x0000000005C70000-0x0000000005C71000-memory.dmp

Filesize
4KB

Download
memory/1956-59-0x0000000005C80000-0x0000000005C81000-memory.dmp

Filesize
4KB

Download
memory/1956-54-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/1956-51-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1956-50-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/1956-49-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/1956-46-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/1956-114-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1956-47-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/1956-45-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1956-41-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1956-40-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1956-132-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1956-133-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/1956-34-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/2520-33-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/2520-30-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/2520-28-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2520-27-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/2520-26-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/2520-25-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/2520-24-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download
memory/2520-22-0x0000000000400000-0x0000000000E31000-memory.dmp

Filesize
10.2MB

Download