Analysis

  • max time kernel
    166s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 22:20

General

  • Target
    tmp.exe
  • Size 8.3MB
  • Sample240109-19k4yaabaq
  • SHA256 10165e27e0db0a6708f346ddea657ab0409499f93eb8426a80864a966f0f401e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • RMS

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 1 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 53 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe" /rsetup
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3016
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\rms.host6.3.4ru_mod_mod.msi" /qn
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:680
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\killself.bat
        3⤵
          PID:4840
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4070BB8967BE8416F45818B3BCD6CD8C
        2⤵
        • Loads dropped DLL
        PID:2964
      • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /silentinstall
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2604
      • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /firewall
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1488
      • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /start
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4932
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" /tray
        2⤵
        • Executes dropped EXE
        PID:5096
      • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4076
        • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
          "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:4948

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e57b430.rbs

          • Path C:\Config.Msi\e57b430.rbs
          • Size 19KB
          • SHA256 7383f725be8706355cf4ea285019f67fc2c3e22bf451b7293a6d5062ac042b03
          • MD5 SHA1 SHA512 SSDEEP

          English.lg

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\English.lg
          • Size 43KB
          • SHA256 9a48a7ea7ba2c2f33280d1e1722ebbc59bf81bc6c5a1f97edca53ea641ffd8e3
          • MD5 SHA1 SHA512 SSDEEP

          RIPCServer.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\RIPCServer.dll
          • Size 144KB
          • SHA256 f938bdc741ef1d2738b532aef001a160e3a3627ed8a27158b7017ee49fc65791
          • MD5 SHA1 SHA512 SSDEEP

          RWLN.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\RWLN.dll
          • Size 258KB
          • SHA256 5cad830ca778143ec9367bf6de822aebb6572d5ddbcb9d69fb988280e2b94f73
          • MD5 SHA1 SHA512 SSDEEP

          Russian.lg

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\Russian.lg
          • Size 48KB
          • SHA256 1d99a7b5f7b3daa61fa773972b1e335aa09b92411484f6ddc99d2b2894455a5b
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
          • Size 117KB
          • SHA256 15a981ac6d9f4c7d72b15901d2f1060e4bd0e7f52257f797f4de90fb2bcb91f6
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
          • Size 74KB
          • SHA256 a3a8e2aa6d20bfa47431c5a1137fee4e408f99c5144baaa7a4b2b8b04c3619b8
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
          • Size 123KB
          • SHA256 0f089b1c4ae0045238683b037065430901f107539e4aef64fc26cbe5d55be05a
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
          • Size 113KB
          • SHA256 b86130f11da1d19d2a39bd6f650c5a3fdfc198d82b874d70d45752a5ff3b1e95
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
          • Size 109KB
          • SHA256 24db4c86a64be99b2418df960afd704e59f18f18b7042167bd100598867fab3b
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
          • Size 91KB
          • SHA256 24b153b2f6a60b98bfb7aa1640bdb4a2a8523dcc9070ab0ec50e93434f71150a
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
          • Size 248KB
          • SHA256 2131eab598112b67384da984c44c462db6059ae456e4c90208a912671566afe1
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
          • Size 225KB
          • SHA256 1caa92699b95c9193e479c446a9420b2b7ecca7fe79eeb712363cb66ea14a991
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
          • Size 132KB
          • SHA256 dc970f7dca925e550bad8c363c10b86c39cf34cc63bc4e8afb23f75c6b1d16c2
          • MD5 SHA1 SHA512 SSDEEP

          vp8decoder.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\vp8decoder.dll
          • Size 89KB
          • SHA256 1ec1b98eb88e679cb333f4a7bd06afea6a4db4f0d28c38e2f671d6e9947bde14
          • MD5 SHA1 SHA512 SSDEEP

          vp8encoder.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\vp8encoder.dll
          • Size 194KB
          • SHA256 8fe4118f92d20b5486fda14ef39ecdaabcabc91f2d3e162f40129d45b31ae8df
          • MD5 SHA1 SHA512 SSDEEP

          webmmux.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\webmmux.dll
          • Size 113KB
          • SHA256 847f4abd50c5dff06e489c341dd59c43608d8ff3a65b02476460b47a0439b486
          • MD5 SHA1 SHA512 SSDEEP

          webmvorbisdecoder.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\webmvorbisdecoder.dll
          • Size 82KB
          • SHA256 081517aeeef295f9493391215afd65d711572123ce580b90065dc59a10a63709
          • MD5 SHA1 SHA512 SSDEEP

          webmvorbisencoder.dll

          • Path C:\Program Files (x86)\Remote Manipulator System - Host\webmvorbisencoder.dll
          • Size 175KB
          • SHA256 efdd93624c04e16160b4f80e919fd015baf945423d953dc4e19aca23376206d0
          • MD5 SHA1 SHA512 SSDEEP

          installer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
          • Size 383KB
          • SHA256 01ff9d6bbb697470373ddae7e921b6d3a5e3c5318e616630a8954d5b094deb7e
          • MD5 SHA1 SHA512 SSDEEP

          installer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
          • Size 365KB
          • SHA256 ea21da4b7aee4c8f49eeea06ff7e57278e866c56c228697396ec7eb498c8f544
          • MD5 SHA1 SHA512 SSDEEP

          installer.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
          • Size 1.8MB
          • SHA256 c9714b64de90c40ec894d6f825816a02347dea7c22d7b62f3bb046b7df020a10
          • MD5 SHA1 SHA512 SSDEEP

          rms.host6.3.4ru_mod_mod.msi

          • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\rms.host6.3.4ru_mod_mod.msi
          • Size 340KB
          • SHA256 6e5985f6aba907c6f197ba8716a852994cbefae97e05ad285f9f1c67c15c82e4
          • MD5 SHA1 SHA512 SSDEEP

          killself.bat

          • Path C:\Users\Admin\AppData\Local\Temp\killself.bat
          • Size 417B
          • SHA256 874044e21f5b7c8a7a2286f1a5c61693515153e73c019451f32a0df1bb910708
          • MD5 SHA1 SHA512

          MSID7E1.tmp

          • Path C:\Windows\Installer\MSID7E1.tmp
          • Size 35KB
          • SHA256 6b67ed500c992a1d82d5c136ccbe55891727ca1abee28e525ac04e2ce7630c94
          • MD5 SHA1 SHA512 SSDEEP

          MSID7E1.tmp

          • Path C:\Windows\Installer\MSID7E1.tmp
          • Size 57KB
          • SHA256 53e2fcdc1fadcb4632e3ebf33272dd9a0cd3d685f3cf292cd5a8836d990ab8af
          • MD5 SHA1 SHA512 SSDEEP

          e57b42d.msi

          • Path C:\Windows\Installer\e57b42d.msi
          • Size 86KB
          • SHA256 c598394526b702f8614a5ebc0274005f4e33db6ede4421a03e76f4178a683bb3
          • MD5 SHA1 SHA512 SSDEEP

          server_start_C00864331B9D4391A8A26292A601EBE2.exe

          • Path C:\Windows\Installer\{D9E14363-FD66-419D-9DC9-C62471755C9F}\server_start_C00864331B9D4391A8A26292A601EBE2.exe
          • Size 78KB
          • SHA256 bb3143e53ab847c6f797e6e21170cdef52e82cb69f3d738160a109e2d76d4f0e
          • MD5 SHA1 SHA512 SSDEEP

          memory/1488-107-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/1488-106-0x0000000000C50000-0x0000000000C51000-memory.dmp

          memory/2604-104-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/2604-103-0x00000000029A0000-0x00000000029A1000-memory.dmp

          memory/3016-134-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/3016-102-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/3016-14-0x00000000028A0000-0x00000000028A1000-memory.dmp

          memory/4076-139-0x0000000002880000-0x0000000002881000-memory.dmp

          memory/4076-155-0x0000000002880000-0x0000000002881000-memory.dmp

          memory/4076-147-0x0000000000400000-0x00000000009A8000-memory.dmp

          memory/4716-164-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-174-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-195-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-188-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-146-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-184-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-181-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-119-0x00000000013F0000-0x00000000013F1000-memory.dmp

          memory/4716-150-0x00000000013F0000-0x00000000013F1000-memory.dmp

          memory/4716-159-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4716-156-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4932-117-0x0000000002890000-0x0000000002891000-memory.dmp

          memory/4932-137-0x0000000000400000-0x0000000000AA3000-memory.dmp

          memory/4948-145-0x0000000000400000-0x00000000009A8000-memory.dmp

          memory/4948-144-0x0000000002620000-0x0000000002621000-memory.dmp

          memory/5096-138-0x0000000002760000-0x0000000002761000-memory.dmp

          memory/5096-158-0x0000000000400000-0x00000000009A8000-memory.dmp

          memory/5096-153-0x0000000000400000-0x00000000009A8000-memory.dmp

          memory/5096-166-0x0000000000400000-0x00000000009A8000-memory.dmp

          memory/5096-149-0x0000000002760000-0x0000000002761000-memory.dmp

          memory/5096-176-0x0000000000400000-0x00000000009A8000-memory.dmp

          memory/5096-148-0x0000000000400000-0x00000000009A8000-memory.dmp