rms | 7ce7f0f0786b3da3e605dbbbc9bc3ff7cc0099beedfcf4d4556576489abf86dc

General

Target

agent.bin.exe
Size

10.9MB
MD5

921f0eb14ea4bb8ec85c307da29a66cd
SHA1

35b61e6d895627a10015dcd4c0d03c4423a02d0d
SHA256

3d0862aa6676aa428e26e0b1c813c090c410b759fa7e9cdf8b0eb9d313d3618c
SHA512

9125f936b12fc3c30be7a33a4d61bde1267f89bd8adee977664759bb410987c0055131187603e5007faaf80ffdd7cd79b46878471eb71fb73a13db81657660d7

Score

10^/10

rms 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 4 IoCs

pid	Process
1748	rfusclient.exe
296	rutserv.exe
1128	rutserv.exe
1084	rfusclient.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-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Loads dropped DLL 9 IoCs

pid	Process
2024	agent.bin.exe
1748	rfusclient.exe
1748	rfusclient.exe
1748	rfusclient.exe
1748	rfusclient.exe
296	rutserv.exe
296	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe

JavaScript code in executable 3 IoCs

resource	yara_rule
behavioral1/files/0x00030000000130ea-12.dat	js
behavioral1/files/0x00030000000130ea-13.dat	js
behavioral1/files/0x00030000000130ea-26.dat	js

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
296	rutserv.exe
296	rutserv.exe
296	rutserv.exe
296	rutserv.exe
296	rutserv.exe
296	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	296	rutserv.exe
Token: SeTakeOwnershipPrivilege	1128	rutserv.exe
Token: SeTcbPrivilege	1128	rutserv.exe
Token: SeTcbPrivilege	1128	rutserv.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1084	rfusclient.exe
1084	rfusclient.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1084	rfusclient.exe
1084	rfusclient.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
296	rutserv.exe
296	rutserv.exe
296	rutserv.exe
296	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe
1128	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1748	2024	agent.bin.exe	27
PID 2024 wrote to memory of 1748	2024	agent.bin.exe	27
PID 2024 wrote to memory of 1748	2024	agent.bin.exe	27
PID 2024 wrote to memory of 1748	2024	agent.bin.exe	27
PID 1748 wrote to memory of 296	1748	rfusclient.exe	28
PID 1748 wrote to memory of 296	1748	rfusclient.exe	28
PID 1748 wrote to memory of 296	1748	rfusclient.exe	28
PID 1748 wrote to memory of 296	1748	rfusclient.exe	28
PID 1128 wrote to memory of 1084	1128	rutserv.exe	32
PID 1128 wrote to memory of 1084	1128	rutserv.exe	32
PID 1128 wrote to memory of 1084	1128	rutserv.exe	32
PID 1128 wrote to memory of 1084	1128	rutserv.exe	32

C:\Users\Admin\AppData\Local\Temp\agent.bin.exe
"C:\Users\Admin\AppData\Local\Temp\agent.bin.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rfusclient.exe" -run_agent
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rutserv.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:296
  - - C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rutserv.exe" -second
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1128
    - - C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\7FBFFEC308\rfusclient.exe" /tray /user
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:1084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/296-17-0x0000000004620000-0x0000000004631000-memory.dmp

Filesize
68KB

Download
memory/296-16-0x0000000004210000-0x0000000004221000-memory.dmp

Filesize
68KB

Download
memory/296-18-0x0000000004210000-0x0000000004221000-memory.dmp

Filesize
68KB

Download
memory/1128-28-0x00000000040A0000-0x00000000040B1000-memory.dmp

Filesize
68KB

Download
memory/1128-30-0x00000000040A0000-0x00000000040B1000-memory.dmp

Filesize
68KB

Download
memory/1128-345-0x0000000004FC0000-0x0000000004FD1000-memory.dmp

Filesize
68KB

Download
memory/1128-347-0x0000000004FC0000-0x0000000004FD1000-memory.dmp

Filesize
68KB

Download
memory/1128-346-0x00000000053D0000-0x00000000053E1000-memory.dmp

Filesize
68KB

Download
memory/1128-29-0x00000000044B0000-0x00000000044C1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing