rms | d101d0dd2bce548291c5d839fd4b047a2e1739ebef3725d2e2923fd44564a41b

General

Target

b56b445af056b621aeed9626cad47d42.exe
Size

11.0MB
MD5

b56b445af056b621aeed9626cad47d42
SHA1

9ba5c968ff30ffdbd23fc589ea42f4659c532bc3
SHA256

d101d0dd2bce548291c5d839fd4b047a2e1739ebef3725d2e2923fd44564a41b
SHA512

87c21adea1dfc96968c5b687136465db0a632cb6a3d6bf272f7a440ddcbdea5eddf4e61ccfea858d2935d21bc3c725f157772c1ab7a236256980c795daa53633

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
1196	rfusclient.exe
592	rutserv.exe
640	rutserv.exe
1720	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-1-5-21-2513283230-931923277-594887482-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Loads dropped DLL 9 IoCs

pid	Process
1816	b56b445af056b621aeed9626cad47d42.exe
1196	rfusclient.exe
1196	rfusclient.exe
1196	rfusclient.exe
1196	rfusclient.exe
592	rutserv.exe
592	rutserv.exe
640	rutserv.exe
640	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 12 IoCs

pid	Process
592	rutserv.exe
592	rutserv.exe
592	rutserv.exe
592	rutserv.exe
592	rutserv.exe
592	rutserv.exe
640	rutserv.exe
640	rutserv.exe
640	rutserv.exe
640	rutserv.exe
640	rutserv.exe
640	rutserv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	592	rutserv.exe
Token: SeTakeOwnershipPrivilege	640	rutserv.exe
Token: SeTcbPrivilege	640	rutserv.exe
Token: SeTcbPrivilege	640	rutserv.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1720	rfusclient.exe
1720	rfusclient.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1720	rfusclient.exe
1720	rfusclient.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
592	rutserv.exe
592	rutserv.exe
592	rutserv.exe
592	rutserv.exe
640	rutserv.exe
640	rutserv.exe
640	rutserv.exe
640	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 1196	1816	b56b445af056b621aeed9626cad47d42.exe	29
PID 1816 wrote to memory of 1196	1816	b56b445af056b621aeed9626cad47d42.exe	29
PID 1816 wrote to memory of 1196	1816	b56b445af056b621aeed9626cad47d42.exe	29
PID 1816 wrote to memory of 1196	1816	b56b445af056b621aeed9626cad47d42.exe	29
PID 1196 wrote to memory of 592	1196	rfusclient.exe	30
PID 1196 wrote to memory of 592	1196	rfusclient.exe	30
PID 1196 wrote to memory of 592	1196	rfusclient.exe	30
PID 1196 wrote to memory of 592	1196	rfusclient.exe	30
PID 640 wrote to memory of 1720	640	rutserv.exe	32
PID 640 wrote to memory of 1720	640	rutserv.exe	32
PID 640 wrote to memory of 1720	640	rutserv.exe	32
PID 640 wrote to memory of 1720	640	rutserv.exe	32

C:\Users\Admin\AppData\Local\Temp\b56b445af056b621aeed9626cad47d42.exe
"C:\Users\Admin\AppData\Local\Temp\b56b445af056b621aeed9626cad47d42.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\rfusclient.exe" -run_agent
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\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:592
  - - C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\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:640
    - - C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\RMS Agent\69110\B4AA54E60E\rfusclient.exe" /tray /user
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:1720

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/592-74-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/640-83-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1196-65-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1720-98-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1816-59-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1816-60-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

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