Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20/05/2022, 12:37

General

  • Target
    2e6075783679f70eaa43fe3eeec3fa6a0aa25a2f4984ea690689ef1dc9342a96.exe
  • Size 5.4MB
  • Sample220520-pty53seffm
  • SHA256 2e6075783679f70eaa43fe3eeec3fa6a0aa25a2f4984ea690689ef1dc9342a96
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • RMS

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

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 2 IoCs
  • Executes dropped EXE 10 IoCs
  • Sets file to hidden 1 TTPs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 2 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: SetClipboardViewer 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e6075783679f70eaa43fe3eeec3fa6a0aa25a2f4984ea690689ef1dc9342a96.exe
    "C:\Users\Admin\AppData\Local\Temp\2e6075783679f70eaa43fe3eeec3fa6a0aa25a2f4984ea690689ef1dc9342a96.exe"
    1⤵
    • Checks computer location settings
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Users\Admin\AppData\Local\Temp\hide.exe
      "C:\Users\Admin\AppData\Local\Temp\hide.exe"
      2⤵
      • Executes dropped EXE
      PID:4232
    • C:\Users\Admin\AppData\Local\Temp\augg.exe
      "C:\Users\Admin\AppData\Local\Temp\augg.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2996
    • C:\Users\Admin\AppData\Local\Temp\nvidiaInspector.exe
      "C:\Users\Admin\AppData\Local\Temp\nvidiaInspector.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1968
    • C:\Users\Admin\AppData\Local\Temp\821-409-356.exe
      "C:\Users\Admin\AppData\Local\Temp\821-409-356.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\System32\vipcatalog\start.vbs"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3192
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Windows\System32\vipcatalog\install.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4504
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im rutserv.exe
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4800
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im rfusclient.exe
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4912
          • C:\Windows\SysWOW64\reg.exe
            reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
            5⤵
              PID:224
            • C:\Windows\SysWOW64\attrib.exe
              attrib +s +h "C:\Windows\System32\vipcatalog"
              5⤵
              • Drops file in System32 directory
              • Views/modifies file attributes
              PID:4292
            • C:\Windows\SysWOW64\vipcatalog\rutserv.exe
              "rutserv.exe" /silentinstall
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1168
            • C:\Windows\SysWOW64\regedit.exe
              regedit /s regedit.reg
              5⤵
              • Runs .reg file with regedit
              PID:1904
            • C:\Windows\SysWOW64\vipcatalog\rutserv.exe
              "rutserv.exe" /start
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:3952
            • C:\Windows\SysWOW64\timeout.exe
              timeout 2
              5⤵
              • Delays execution with timeout.exe
              PID:3960
    • C:\Windows\SysWOW64\vipcatalog\rutserv.exe
      C:\Windows\SysWOW64\vipcatalog\rutserv.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4412
      • C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
        C:\Windows\SysWOW64\vipcatalog\rfusclient.exe /tray
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:1136
      • C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
        C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: SetClipboardViewer
        • Suspicious use of WriteProcessMemory
        PID:2480
        • C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
          C:\Windows\SysWOW64\vipcatalog\rfusclient.exe /tray
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:3636

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          821-409-356.exe

          • Path C:\Users\Admin\AppData\Local\Temp\821-409-356.exe
          • Size 4.2MB
          • SHA256 0fd53b6a87bf3c57ee7d4a880eecd4618275cdb917b845b79f75ae695fcf9d04
          • MD5 SHA1 SHA512 SSDEEP

          821-409-356.exe

          • Path C:\Users\Admin\AppData\Local\Temp\821-409-356.exe
          • Size 4.2MB
          • SHA256 0fd53b6a87bf3c57ee7d4a880eecd4618275cdb917b845b79f75ae695fcf9d04
          • MD5 SHA1 SHA512 SSDEEP

          augg.exe

          • Path C:\Users\Admin\AppData\Local\Temp\augg.exe
          • Size 502KB
          • SHA256 82ad0eab2dc57e90bbad4919ebc48ee6ac20106747991ca6102d060dc1d0b23e
          • MD5 SHA1 SHA512 SSDEEP

          augg.exe

          • Path C:\Users\Admin\AppData\Local\Temp\augg.exe
          • Size 502KB
          • SHA256 82ad0eab2dc57e90bbad4919ebc48ee6ac20106747991ca6102d060dc1d0b23e
          • MD5 SHA1 SHA512 SSDEEP

          hide.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hide.exe
          • Size 839KB
          • SHA256 69892a3a4d5083f9a7cb561b4c4df32a9bca7bfbd91c5d720fe60ffcb63dc0fa
          • MD5 SHA1 SHA512 SSDEEP

          hide.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hide.exe
          • Size 839KB
          • SHA256 69892a3a4d5083f9a7cb561b4c4df32a9bca7bfbd91c5d720fe60ffcb63dc0fa
          • MD5 SHA1 SHA512 SSDEEP

          nvidiaInspector.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nvidiaInspector.exe
          • Size 453KB
          • SHA256 7f4741ab5e1906cc0d7436d6971863f2a24ab3c64af9fc625b3e7d7621e10bbc
          • MD5 SHA1 SHA512 SSDEEP

          nvidiaInspector.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nvidiaInspector.exe
          • Size 453KB
          • SHA256 7f4741ab5e1906cc0d7436d6971863f2a24ab3c64af9fc625b3e7d7621e10bbc
          • MD5 SHA1 SHA512 SSDEEP

          install.bat

          • Path C:\Windows\SysWOW64\vipcatalog\install.bat
          • Size 308B
          • SHA256 a9e5c0e62e154171b5cd8bfbbda21d3de43d96614533aa45fdc298fe74c10c76
          • MD5 SHA1 SHA512

          regedit.reg

          • Path C:\Windows\SysWOW64\vipcatalog\regedit.reg
          • Size 13KB
          • SHA256 198a4e95869fa067944fa7bba2bafd2477cb366a742dce459b38ddabd09df3eb
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
          • Size 5.1MB
          • SHA256 b6daf91fc45307fff001a61b9402ad19bd59dd72541427d39207991be6679219
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
          • Size 5.1MB
          • SHA256 b6daf91fc45307fff001a61b9402ad19bd59dd72541427d39207991be6679219
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
          • Size 5.1MB
          • SHA256 b6daf91fc45307fff001a61b9402ad19bd59dd72541427d39207991be6679219
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rfusclient.exe
          • Size 5.1MB
          • SHA256 b6daf91fc45307fff001a61b9402ad19bd59dd72541427d39207991be6679219
          • MD5 SHA1 SHA512 SSDEEP

          russian.lg

          • Path C:\Windows\SysWOW64\vipcatalog\russian.lg
          • Size 48KB
          • SHA256 5c394e7f7e6571ea2de8ebf23d087d452ccfda4b7468db793ce11cafac3e92a1
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rutserv.exe
          • Size 6.0MB
          • SHA256 fa1d176073d43c82ffe25b20401efddb018317cdd468d160d90c950641cdad57
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rutserv.exe
          • Size 6.0MB
          • SHA256 fa1d176073d43c82ffe25b20401efddb018317cdd468d160d90c950641cdad57
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rutserv.exe
          • Size 6.0MB
          • SHA256 fa1d176073d43c82ffe25b20401efddb018317cdd468d160d90c950641cdad57
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Windows\SysWOW64\vipcatalog\rutserv.exe
          • Size 6.0MB
          • SHA256 fa1d176073d43c82ffe25b20401efddb018317cdd468d160d90c950641cdad57
          • MD5 SHA1 SHA512 SSDEEP

          start.vbs

          • Path C:\Windows\SysWOW64\vipcatalog\start.vbs
          • Size 117B
          • SHA256 a7b067e9e4d44efe579c7cdb1e847d61af2323d3d73c6fffb22e178ae476f420
          • MD5 SHA1 SHA512

          vp8decoder.dll

          • Path C:\Windows\SysWOW64\vipcatalog\vp8decoder.dll
          • Size 378KB
          • SHA256 c022958429edd94bfe31f2eacfe24ff6b45d6f12747725c449a36116373de03b
          • MD5 SHA1 SHA512 SSDEEP

          vp8encoder.dll

          • Path C:\Windows\SysWOW64\vipcatalog\vp8encoder.dll
          • Size 1.6MB
          • SHA256 cb6ef96d3a66ef08ec2c8640b751a52d6d4f4530cf01162a69966f0fd5153587
          • MD5 SHA1 SHA512 SSDEEP

          memory/1968-155-0x0000000000AEA000-0x0000000000AEF000-memory.dmp

          memory/1968-142-0x00007FFBDF590000-0x00007FFBDFFC6000-memory.dmp

          memory/2996-143-0x0000000072E30000-0x00000000733E1000-memory.dmp