rms | 3237ff81fe1982520a0bb7675a156a419d3271971a024ae43b3e5aabaf10f6ef

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 05:55

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General

Target

3237ff81fe1982520a0bb7675a156a419d3271971a024.exe
Size

11.2MB
MD5

f93499ce9eb23c0b97103eee80f0b0fe
SHA1

97aaa325e3b606f786f87ec93e51ee2f6861c001
SHA256

3237ff81fe1982520a0bb7675a156a419d3271971a024ae43b3e5aabaf10f6ef
SHA512

4c63307cabf80070ad6b25262e51770e5a3e5cb25d171c6391fc7f10d03ee4c7e5363fc8d48ded7db06d374d97b8ee48ebf1716f3ec79019f2492dad5fac8398
SSDEEP

196608:GoP6UE87qwv0Mne7D8wDBoJmcBhMAiExrcRsP/3rVmEBFdExO12Ib3:Goz7qwc/P8wDBo8cBSA1R3r0E6O4Ib3

Score

10^/10

rms discovery persistence rat trojan upx

Malware Config

Signatures

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

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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation	rfusclient.exe
Key value queried	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation	rutserv.exe
Key value queried	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation	rfusclient.exe

Executes dropped EXE 4 IoCs

pid	Process
2108	rfusclient.exe
1736	rutserv.exe
1036	rutserv.exe
2060	rfusclient.exe

Loads dropped DLL 9 IoCs

pid	Process
2816	3237ff81fe1982520a0bb7675a156a419d3271971a024.exe
2108	rfusclient.exe
2108	rfusclient.exe
2108	rfusclient.exe
2108	rfusclient.exe
1736	rutserv.exe
1736	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\AgentRunOnce = "C:\\Users\\Admin\\AppData\\Roaming\\RMS Agent\\69105\\59A45275DC\\rutserv.exe"	rutserv.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2816-0-0x0000000000400000-0x0000000001C3C000-memory.dmp	upx
behavioral1/memory/2816-69-0x0000000000400000-0x0000000001C3C000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rutserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rutserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rfusclient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3237ff81fe1982520a0bb7675a156a419d3271971a024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rfusclient.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1736	rutserv.exe
1736	rutserv.exe
1736	rutserv.exe
1736	rutserv.exe
1736	rutserv.exe
1736	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	rutserv.exe
Token: SeTakeOwnershipPrivilege	1036	rutserv.exe
Token: SeTcbPrivilege	1036	rutserv.exe
Token: SeTcbPrivilege	1036	rutserv.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2060	rfusclient.exe
2060	rfusclient.exe
2060	rfusclient.exe
2060	rfusclient.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2060	rfusclient.exe
2060	rfusclient.exe
2060	rfusclient.exe
2060	rfusclient.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1736	rutserv.exe
1736	rutserv.exe
1736	rutserv.exe
1736	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe
1036	rutserv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2108	2816	3237ff81fe1982520a0bb7675a156a419d3271971a024.exe	30
PID 2816 wrote to memory of 2108	2816	3237ff81fe1982520a0bb7675a156a419d3271971a024.exe	30
PID 2816 wrote to memory of 2108	2816	3237ff81fe1982520a0bb7675a156a419d3271971a024.exe	30
PID 2816 wrote to memory of 2108	2816	3237ff81fe1982520a0bb7675a156a419d3271971a024.exe	30
PID 2108 wrote to memory of 1736	2108	rfusclient.exe	31
PID 2108 wrote to memory of 1736	2108	rfusclient.exe	31
PID 2108 wrote to memory of 1736	2108	rfusclient.exe	31
PID 2108 wrote to memory of 1736	2108	rfusclient.exe	31
PID 1036 wrote to memory of 2060	1036	rutserv.exe	33
PID 1036 wrote to memory of 2060	1036	rutserv.exe	33
PID 1036 wrote to memory of 2060	1036	rutserv.exe	33
PID 1036 wrote to memory of 2060	1036	rutserv.exe	33

C:\Users\Admin\AppData\Local\Temp\3237ff81fe1982520a0bb7675a156a419d3271971a024.exe
"C:\Users\Admin\AppData\Local\Temp\3237ff81fe1982520a0bb7675a156a419d3271971a024.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rfusclient.exe
  "C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rfusclient.exe" -run_agent
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rutserv.exe
    "C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rutserv.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1736
  - - C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rutserv.exe
      "C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rutserv.exe" -second
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1036
    - - C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rfusclient.exe
        
        "C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rfusclient.exe" /tray /user
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\EULA.rtf

Filesize
114KB

MD5
c3d7db3461db0dbb8a1d2a937b1d6252

SHA1
35fafe6c6812f20454c709b0a43a21bf7e9f66bf

SHA256
cf8e39ce145e36d672cb2a140b3f33e0a1337975d7840e1d6a1920ce560bba46

SHA512
9759895e5d4f289e6227f65f46b24ad7f2607443bebd9b039f1cf42bd74c986a597d5de4bef70510c4463874a01695ca2f7ccbd231d6ef5316250d7492c48675

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\English.lg

Filesize
58KB

MD5
246286feb0ed55eaf4251e256d2fe47e

SHA1
bc76b013918e4c1bd6dff44708a760496d8c717c

SHA256
64c70065830cc623be55c73a940aa3da57c134ee459afbd983ff17960dc57c27

SHA512
900e670259fb3b5762c0242236ce86fcdd04300407fc4d79959edfed99bbec58b4e10048a2b9ef54e709d00717870bf09c7b5fb2f5fa3cfe844682d2bb36f12f

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\Russian.lg

Filesize
64KB

MD5
ff01d823419a6c243257aedfba479030

SHA1
00d307827b42c4ca7180c52f2f79000bfc274cd3

SHA256
b4fb1ae9896834dae6f20a1d79ca07ce0d6096eff589e2b48f1a5464995e96c1

SHA512
768c5dc72ed3700795fc985f1ebe60906d738471b35aadfc542994d960ff3f4fe7d35b3ebd7134dc3e0e35d8e10ebec4c0f7a382c3741ef87de5783766ad7c6a

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\libeay32.dll

Filesize
1.3MB

MD5
4cb2e1b9294ddae1bf7dcaaf42b365d1

SHA1
a225f53a8403d9b73d77bcbb075194520cce5a14

SHA256
a8124500cae0aba3411428c2c6df2762ea11cc11c312abed415d3f3667eb6884

SHA512
46cf4abf9121c865c725ca159df71066e0662595915d653914e4ec047f94e2ab3823f85c9e0e0c1311304c460c90224bd3141da62091c733dcaa5dccf64c04bb

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rfusclient.exe

Filesize
6.3MB

MD5
cc0e82ce66ebf0f5fd7fe222731aa7d6

SHA1
e8e33ff4e0c6768add1ebb8faee3ac86351a20c5

SHA256
d284ddda27eb89d873286e8d72e6613ee01c9c799d6532733a81c383143242ec

SHA512
374ac7a867a7f646570eea65198675ce946b54904dc8262f479009c2cf732ecb3fb20b3bfc61a80f4bda9bdda24d76c76423a345da33cc9c0206b33bb7013637

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\rutserv.exe

Filesize
12.5MB

MD5
c13556a6c7ea9539becff13e11c22586

SHA1
c4780408f3ea282d66ed1cfec12e3b4326e94664

SHA256
d811dd3978dc7ef94aaf7256c342a56c1b39627332a559d900c3ea4879fd0cbd

SHA512
90c883907cddb077bfa07119bdfcdd5bf40298bcdadf787d85e3ed7edd9473b5da7c256c403d79d9b4ec3396fba4183cd9270cabf74e1d94bb9759b8d48144a3

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\ssleay32.dll

Filesize
337KB

MD5
5c268ca919854fc22d85f916d102ee7f

SHA1
0957cf86e0334673eb45945985b5c033b412be0e

SHA256
1f4b3efc919af1106f348662ee9ad95ab019058ff502e3d68e1b5f7abff91b56

SHA512
76d0abad1d7d0856ec1b8e598b05a2a6eece220ea39d74e7f6278a4219e22c75b7f618160ce41810daa57d5d4d534afd78f5cc1bd6de927dbb6a551aca2f8310

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\vp8decoder.dll

Filesize
380KB

MD5
1ea62293ac757a0c2b64e632f30db636

SHA1
8c8ac6f8f28f432a514c3a43ea50c90daf66bfba

SHA256
970cb3e00fa68daec266cd0aa6149d3604cb696853772f20ad67555a2114d5df

SHA512
857872a260cd590bd533b5d72e6e830bb0e4e037cb6749bb7d6e1239297f21606cdbe4a0fb1492cdead6f46c88dd9eb6fab5c6e17029f7df5231cefc21fa35ab

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\vp8encoder.dll

Filesize
1.6MB

MD5
89770647609ac26c1bbd9cf6ed50954e

SHA1
349eed120070bab7e96272697b39e786423ac1d3

SHA256
7b4fc8e104914cdd6a7bf3f05c0d7197cfcd30a741cc0856155f2c74e62005a4

SHA512
a98688f1c80ca79ee8d15d680a61420ffb49f55607fa25711925735d0e8dbc21f3b13d470f22e0829c72a66a798eee163411b2f078113ad8153eed98ef37a2cc

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\webmmux.dll

Filesize
260KB

MD5
d29f7070ee379544aeb19913621c88e6

SHA1
499dcdb39862fd8ff5cbc4b13da9c465bfd5f4be

SHA256
654f43108fbd56bd2a3c5a3a74a2ff3f19ea9e670613b92a624e86747a496caf

SHA512
4ead1c8e0d33f2a6c35163c42e8f0630954de67e63bcadca003691635ccf8bfe709363ec88edb387b956535fdb476bc0b5773ede5b19cacf4858fb50072bbef5

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\webmvorbisdecoder.dll

Filesize
365KB

MD5
7a9eeac3ceaf7f95f44eb5c57b4db2e3

SHA1
be1048c254aa3114358f76d08c55667c4bf2d382

SHA256
b497d07ed995b16d1146209158d3b90d85c47a643fbf25a5158b26d75c478c88

SHA512
b68fa132c3588637d62a1c2bce8f8acc78e6e2f904a53644d732dc0f4e4fbc61a2829a1ac8f6b97fe4be4f3613ef92c43e6f2ab29c6abd968acc5acd635c990d

Download Submit
C:\Users\Admin\AppData\Roaming\RMS Agent\69105\59A45275DC\webmvorbisencoder.dll

Filesize
860KB

MD5
5308b9945e348fbe3a480be06885434c

SHA1
5c3cb39686cca3e9586e4b405fc8e1853caaf8ff

SHA256
9dc30fb2118aad48f6a5e0a82504f365fe40abb3134f6cceeb65859f61ad939a

SHA512
4d7f08dc738a944bcee9b013b13d595e9c913b248c42a6c095cbdfc6059da7f04cca935841ff8a43687b75bdc5af05e888241e52ef594aa752ba9425cf966412

Download Submit
memory/1036-137-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-98-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-140-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-134-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-131-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-128-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-125-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-111-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-122-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-101-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-119-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-104-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-116-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1036-108-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/1736-83-0x0000000000400000-0x0000000001121000-memory.dmp

Filesize
13.1MB

Download
memory/2060-112-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2060-109-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2060-117-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2060-106-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2060-102-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2060-99-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2108-77-0x0000000000400000-0x0000000000AD6000-memory.dmp

Filesize
6.8MB

Download
memory/2108-70-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2816-69-0x0000000000400000-0x0000000001C3C000-memory.dmp

Filesize
24.2MB

Download
memory/2816-63-0x0000000003FE0000-0x0000000003FF0000-memory.dmp

Filesize
64KB

Download
memory/2816-0-0x0000000000400000-0x0000000001C3C000-memory.dmp

Filesize
24.2MB

Download