rms | 56cec810fc6f445e17a04306b653bb3296b55fe481b518c9aca4b1ef69824a3e

General

Target

56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe
Size

15.4MB
MD5

7825beab377e9a88cd97cf5d2ccbf81b
SHA1

fbaa432a4ce17068a6af7b79134d9004f569e162
SHA256

56cec810fc6f445e17a04306b653bb3296b55fe481b518c9aca4b1ef69824a3e
SHA512

592be3743297fdb76b05b4faaf7cff77c095ea816ea183a92e8e252ef9098aa34b232987f45b6ba37adcd78bb2e166cc57459bfd03ed1b189ca23e6c68b58bea

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
568	rfusclient.exe
856	rutserv.exe
1248	rutserv.exe
1716	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-1-5-21-103686315-404690609-2047157615-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Loads dropped DLL 9 IoCs

pid	Process
524	56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe
568	rfusclient.exe
568	rfusclient.exe
568	rfusclient.exe
568	rfusclient.exe
856	rutserv.exe
856	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
568	rfusclient.exe
568	rfusclient.exe
856	rutserv.exe
856	rutserv.exe
856	rutserv.exe
856	rutserv.exe
856	rutserv.exe
856	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1716	rfusclient.exe
1716	rfusclient.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	rutserv.exe
Token: SeTakeOwnershipPrivilege	1248	rutserv.exe
Token: SeTcbPrivilege	1248	rutserv.exe
Token: SeTcbPrivilege	1248	rutserv.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1716	rfusclient.exe
1716	rfusclient.exe
1716	rfusclient.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1716	rfusclient.exe
1716	rfusclient.exe
1716	rfusclient.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
856	rutserv.exe
856	rutserv.exe
856	rutserv.exe
856	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe
1248	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 568	524	56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe	28
PID 524 wrote to memory of 568	524	56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe	28
PID 524 wrote to memory of 568	524	56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe	28
PID 524 wrote to memory of 568	524	56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe	28
PID 568 wrote to memory of 856	568	rfusclient.exe	29
PID 568 wrote to memory of 856	568	rfusclient.exe	29
PID 568 wrote to memory of 856	568	rfusclient.exe	29
PID 568 wrote to memory of 856	568	rfusclient.exe	29
PID 1248 wrote to memory of 1716	1248	rutserv.exe	31
PID 1248 wrote to memory of 1716	1248	rutserv.exe	31
PID 1248 wrote to memory of 1716	1248	rutserv.exe	31
PID 1248 wrote to memory of 1716	1248	rutserv.exe	31

C:\Users\Admin\AppData\Local\Temp\56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe
"C:\Users\Admin\AppData\Local\Temp\56CEC810FC6F445E17A04306B653BB3296B55FE481B51.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:524
- C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rfusclient.exe" -run_agent
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rutserv.exe" -run_agent
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:856
  - - C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rutserv.exe" -run_agent -second
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1248
    - - C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\RMS Agent\70003\B023FD26B4\rfusclient.exe" /tray /user
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:1716

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/524-55-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/524-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/568-63-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/856-71-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/856-77-0x00000000030A0000-0x00000000030A1000-memory.dmp

Filesize
4KB

Download
memory/856-76-0x0000000001770000-0x0000000001771000-memory.dmp

Filesize
4KB

Download
memory/1248-90-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1248-105-0x0000000005EA0000-0x0000000005EA1000-memory.dmp

Filesize
4KB

Download
memory/1248-94-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/1248-93-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/1248-91-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/1248-113-0x0000000005F40000-0x0000000005F41000-memory.dmp

Filesize
4KB

Download
memory/1248-106-0x0000000005FB0000-0x00000000060C0000-memory.dmp

Filesize
1.1MB

Download
memory/1248-111-0x0000000006650000-0x0000000006651000-memory.dmp

Filesize
4KB

Download
memory/1248-104-0x0000000005CD0000-0x0000000005CD1000-memory.dmp

Filesize
4KB

Download
memory/1248-103-0x0000000005CC0000-0x0000000005CC1000-memory.dmp

Filesize
4KB

Download
memory/1248-102-0x0000000005C30000-0x0000000005C31000-memory.dmp

Filesize
4KB

Download
memory/1248-101-0x0000000005C20000-0x0000000005C21000-memory.dmp

Filesize
4KB

Download
memory/1248-100-0x0000000005B90000-0x0000000005B91000-memory.dmp

Filesize
4KB

Download
memory/1248-112-0x0000000007250000-0x0000000007251000-memory.dmp

Filesize
4KB

Download
memory/1248-110-0x0000000006640000-0x0000000006641000-memory.dmp

Filesize
4KB

Download
memory/1716-107-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1716-109-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

Filesize
4KB

Download
memory/1716-108-0x0000000002B60000-0x0000000002B61000-memory.dmp

Filesize
4KB

Download
memory/1716-114-0x00000000043E0000-0x00000000043E1000-memory.dmp

Filesize
4KB

Download

Analysis

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