rms | 9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882

Analysis

max time kernel
152s
max time network
126s
platform
windows7_x64
resource
win7-en-20211208
submitted
13-02-2022 11:57

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General

Target

9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe
Size

10.2MB
MD5

e935690d76617f96a7d1f3cf8ea829fd
SHA1

11c701c219393d30351a7c3aadbbde3aeefb7d35
SHA256

9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882
SHA512

c606f2aed982bef5a200273a8b299bd996e0a4535b91cb4bb529080920ce78c7ed138e870bfdf1a57ed8cbbc05d5cdbe668ad1c3f98c42626303ae35671eb5d8

Score

10^/10

rms persistence rat trojan

Malware Config

Signatures

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

Executes dropped EXE 7 IoCs

pid	Process
1372	RManServer.exe
1552	RManServer.exe
1056	Monitor.exe
1680	RManServer.exe
860	RManServer.exe
1348	RManFUSClient.exe
1696	RManFUSClient.exe

Loads dropped DLL 7 IoCs

pid	Process
544	cmd.exe
544	cmd.exe
544	cmd.exe
544	cmd.exe
544	cmd.exe
860	RManServer.exe
860	RManServer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Monitor = "C:\\Windows\\System32\\Monitor.exe -autorun"	regedit.exe

Drops file in System32 directory 29 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dsfOggMux.dll	cmd.exe
File created	C:\Windows\SysWOW64\HookDrv.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\Monitor.exe	cmd.exe
File created	C:\Windows\SysWOW64\Logs\rom_log_2022.html	RManServer.exe
File opened for modification	C:\Windows\SysWOW64\RManServer.exe	cmd.exe
File created	C:\Windows\SysWOW64\RManWLN.dll	RManServer.exe
File created	C:\Windows\SysWOW64\dsfTheoraEncoder.dll	cmd.exe
File created	C:\Windows\SysWOW64\Monitor.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\msvcp80.dll	cmd.exe
File created	C:\Windows\SysWOW64\msvcr80.dll	cmd.exe
File created	C:\Windows\SysWOW64\PushSource.ax	cmd.exe
File opened for modification	C:\Windows\SysWOW64\RManIpcServer.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\dsfVorbisEncoder.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\Microsoft.VC80.CRT.manifest	cmd.exe
File created	C:\Windows\SysWOW64\msvcp80.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\PushSource.ax	cmd.exe
File opened for modification	C:\Windows\SysWOW64\RManFUSClient.exe	cmd.exe
File created	C:\Windows\SysWOW64\RManIpcServer.dll	cmd.exe
File created	C:\Windows\SysWOW64\RManServer.exe	cmd.exe
File opened for modification	C:\Windows\SysWOW64\dsfOggMux.dll	cmd.exe
File created	C:\Windows\SysWOW64\Microsoft.VC80.CRT.manifest	cmd.exe
File opened for modification	C:\Windows\SysWOW64\RManWLN.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\HookDrv.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\dsfTheoraEncoder.dll	cmd.exe
File created	C:\Windows\SysWOW64\RManFUSClient.exe	cmd.exe
File created	C:\Windows\SysWOW64\RManWLN.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\RManWLN.dll	RManServer.exe
File created	C:\Windows\SysWOW64\dsfVorbisEncoder.dll	cmd.exe
File opened for modification	C:\Windows\SysWOW64\msvcr80.dll	cmd.exe

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

System Information Discovery
T1082

Runs .reg file with regedit 2 IoCs

pid	Process
1192	regedit.exe
1200	regedit.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
860	RManServer.exe
860	RManServer.exe
1348	RManFUSClient.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	RManServer.exe
Token: SeDebugPrivilege	1680	RManServer.exe
Token: SeTakeOwnershipPrivilege	860	RManServer.exe
Token: SeTcbPrivilege	860	RManServer.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 544	1916	9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe	27
PID 1916 wrote to memory of 544	1916	9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe	27
PID 1916 wrote to memory of 544	1916	9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe	27
PID 1916 wrote to memory of 544	1916	9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe	27
PID 544 wrote to memory of 784	544	cmd.exe	29
PID 544 wrote to memory of 784	544	cmd.exe	29
PID 544 wrote to memory of 784	544	cmd.exe	29
PID 544 wrote to memory of 784	544	cmd.exe	29
PID 544 wrote to memory of 1372	544	cmd.exe	30
PID 544 wrote to memory of 1372	544	cmd.exe	30
PID 544 wrote to memory of 1372	544	cmd.exe	30
PID 544 wrote to memory of 1372	544	cmd.exe	30
PID 544 wrote to memory of 1552	544	cmd.exe	31
PID 544 wrote to memory of 1552	544	cmd.exe	31
PID 544 wrote to memory of 1552	544	cmd.exe	31
PID 544 wrote to memory of 1552	544	cmd.exe	31
PID 544 wrote to memory of 1192	544	cmd.exe	32
PID 544 wrote to memory of 1192	544	cmd.exe	32
PID 544 wrote to memory of 1192	544	cmd.exe	32
PID 544 wrote to memory of 1192	544	cmd.exe	32
PID 544 wrote to memory of 1200	544	cmd.exe	33
PID 544 wrote to memory of 1200	544	cmd.exe	33
PID 544 wrote to memory of 1200	544	cmd.exe	33
PID 544 wrote to memory of 1200	544	cmd.exe	33
PID 544 wrote to memory of 1056	544	cmd.exe	34
PID 544 wrote to memory of 1056	544	cmd.exe	34
PID 544 wrote to memory of 1056	544	cmd.exe	34
PID 544 wrote to memory of 1056	544	cmd.exe	34
PID 544 wrote to memory of 1680	544	cmd.exe	35
PID 544 wrote to memory of 1680	544	cmd.exe	35
PID 544 wrote to memory of 1680	544	cmd.exe	35
PID 544 wrote to memory of 1680	544	cmd.exe	35
PID 860 wrote to memory of 1348	860	RManServer.exe	37
PID 860 wrote to memory of 1348	860	RManServer.exe	37
PID 860 wrote to memory of 1348	860	RManServer.exe	37
PID 860 wrote to memory of 1348	860	RManServer.exe	37
PID 860 wrote to memory of 1696	860	RManServer.exe	38
PID 860 wrote to memory of 1696	860	RManServer.exe	38
PID 860 wrote to memory of 1696	860	RManServer.exe	38
PID 860 wrote to memory of 1696	860	RManServer.exe	38

C:\Users\Admin\AppData\Local\Temp\9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe
"C:\Users\Admin\AppData\Local\Temp\9992114ca431bbcc576a1eebaaa878554ee85c4669e63e92adea8cc925fc9882.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\DBDE.tmp\Remote Manipulator System - Server.bat" "
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Windows\SysWOW64\reg.exe
    reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
    3⤵
    PID:784
- - C:\Windows\SysWOW64\RManServer.exe
    "C:\Windows\System32\RManServer.exe" /silentinstall
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    PID:1372
- - C:\Windows\SysWOW64\RManServer.exe
    "C:\Windows\System32\RManServer.exe" /firewall
    3⤵
    - Executes dropped EXE
    PID:1552
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s "settings.reg"
    3⤵
    - Runs .reg file with regedit
    PID:1192
- - C:\Windows\SysWOW64\regedit.exe
    regedit /s "Autorun.reg"
    3⤵
    - Adds Run key to start application
    - Runs .reg file with regedit
    PID:1200
- - C:\Windows\SysWOW64\Monitor.exe
    "C:\Windows\System32\Monitor.exe" /start
    3⤵
    - Executes dropped EXE
    PID:1056
- - C:\Windows\SysWOW64\RManServer.exe
    "C:\Windows\System32\RManServer.exe" /start
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1680

C:\Windows\SysWOW64\RManServer.exe
C:\Windows\SysWOW64\RManServer.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\RManFUSClient.exe
  "C:\Windows\SysWOW64\RManFUSClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:1348
- C:\Windows\SysWOW64\RManFUSClient.exe
  C:\Windows\SysWOW64\RManFUSClient.exe /tray
  2⤵
  - Executes dropped EXE
  PID:1696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/860-93-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1056-85-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1348-101-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1372-72-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1552-77-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1680-92-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1696-100-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1916-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download