Analysis

  • max time kernel
    193s
  • max time network
    234s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08/05/2022, 15:10

General

  • Target
    0b07a4e1ab0727b4c216f5921c7c035985963f44d9e207911ebdf496ebc551ce.exe
  • Size 4.4MB
  • Sample220508-sj5rnadcbj
  • SHA256 0b07a4e1ab0727b4c216f5921c7c035985963f44d9e207911ebdf496ebc551ce
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • RMS

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

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • ASPack v2.12-2.42 9 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 10 IoCs
  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Drops file in Program Files directory 6 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
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b07a4e1ab0727b4c216f5921c7c035985963f44d9e207911ebdf496ebc551ce.exe
    "C:\Users\Admin\AppData\Local\Temp\0b07a4e1ab0727b4c216f5921c7c035985963f44d9e207911ebdf496ebc551ce.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Program Files (x86)\Hello from Freak602\install.exe
      "C:\Program Files (x86)\Hello from Freak602\install.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\system32\cmd.exe
        "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\5A50.tmp\5A51.bat "C:\Program Files (x86)\Hello from Freak602\install.exe""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1376
        • C:\Program Files (x86)\Hello from Freak602\Freak602.exe
          Freak602.exe -p123 -dC:\Program Files (x86)\Internet ExpIorer
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:4148
          • C:\Program\install.exe
            "C:\Program\install.exe"
            5⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1028
            • C:\Windows\system32\cmd.exe
              "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\68B8.tmp\68B9.bat C:\Program\install.exe"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1624
              • C:\Windows\system32\taskkill.exe
                taskkill /f /im rutserv.exe
                7⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:696
              • C:\Windows\system32\taskkill.exe
                taskkill /f /im rfusclient.exe
                7⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:2564
              • C:\Windows\system32\reg.exe
                reg delete "HKLM\SYSTEM\Remote Manipulator System" /f
                7⤵
                  PID:480
                • C:\Windows\regedit.exe
                  regedit /s "regedit.reg"
                  7⤵
                  • Runs .reg file with regedit
                  PID:2288
                • C:\Windows\system32\timeout.exe
                  timeout 2
                  7⤵
                  • Delays execution with timeout.exe
                  PID:3212
                • C:\Program\rutserv.exe
                  rutserv.exe /silentinstall
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:3920
                • C:\Program\rutserv.exe
                  rutserv.exe /firewall
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetWindowsHookEx
                  PID:2120
                • C:\Program\rutserv.exe
                  rutserv.exe /start
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:3376
    • C:\Program\rutserv.exe
      C:\Program\rutserv.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:928
      • C:\Program\rfusclient.exe
        C:\Program\rfusclient.exe /tray
        2⤵
        • Executes dropped EXE
        PID:3952
      • C:\Program\rfusclient.exe
        C:\Program\rfusclient.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Program\rfusclient.exe
          C:\Program\rfusclient.exe /tray
          3⤵
          • Executes dropped EXE
          PID:1896

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Freak602.exe

          • Path C:\Program Files (x86)\Hello from Freak602\Freak602.exe
          • Size 4.1MB
          • SHA256 44be6e163d6b84e037adfa24a8c3619a82df0ba194331e5da60ed55f32cfaf28
          • MD5 SHA1 SHA512 SSDEEP

          Freak602.exe

          • Path C:\Program Files (x86)\Hello from Freak602\Freak602.exe
          • Size 4.1MB
          • SHA256 44be6e163d6b84e037adfa24a8c3619a82df0ba194331e5da60ed55f32cfaf28
          • MD5 SHA1 SHA512 SSDEEP

          install.exe

          • Path C:\Program Files (x86)\Hello from Freak602\install.exe
          • Size 166KB
          • SHA256 e1873454940771162e763cb47c875901afd8940001288d90abfc17f14cec258f
          • MD5 SHA1 SHA512 SSDEEP

          install.exe

          • Path C:\Program Files (x86)\Hello from Freak602\install.exe
          • Size 166KB
          • SHA256 e1873454940771162e763cb47c875901afd8940001288d90abfc17f14cec258f
          • MD5 SHA1 SHA512 SSDEEP

          install.exe

          • Path C:\Program\install.exe
          • Size 69KB
          • SHA256 df9fffcb8b167d7b2f9bf994afe07d2ce9da19bb11b53771d6401c6149cb34f5
          • MD5 SHA1 SHA512 SSDEEP

          install.exe

          • Path C:\Program\install.exe
          • Size 69KB
          • SHA256 df9fffcb8b167d7b2f9bf994afe07d2ce9da19bb11b53771d6401c6149cb34f5
          • MD5 SHA1 SHA512 SSDEEP

          regedit.reg

          • Path C:\Program\regedit.reg
          • Size 11KB
          • SHA256 db6a980f0b87fb10181783e016aa50a3915d1d4a87a40f226e18e8886d5203e4
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program\rfusclient.exe
          • Size 1.5MB
          • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program\rfusclient.exe
          • Size 1.5MB
          • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program\rfusclient.exe
          • Size 1.5MB
          • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
          • MD5 SHA1 SHA512 SSDEEP

          rfusclient.exe

          • Path C:\Program\rfusclient.exe
          • Size 1.5MB
          • SHA256 dc9d875e659421a51addd8e8a362c926369e84320ab0c5d8bbb1e4d12d372fc9
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program\rutserv.exe
          • Size 1.7MB
          • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program\rutserv.exe
          • Size 1.7MB
          • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program\rutserv.exe
          • Size 1.7MB
          • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program\rutserv.exe
          • Size 1.7MB
          • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
          • MD5 SHA1 SHA512 SSDEEP

          rutserv.exe

          • Path C:\Program\rutserv.exe
          • Size 1.7MB
          • SHA256 1699b9b4fc1724f9b0918b57ca58c453829a3935efd89bd4e9fa66b5e9f2b8a6
          • MD5 SHA1 SHA512 SSDEEP

          vp8decoder.dll

          • Path C:\Program\vp8decoder.dll
          • Size 155KB
          • SHA256 4c04d7968a9fe9d9258968d3a722263334bbf5f8af972f206a71f17fa293aa74
          • MD5 SHA1 SHA512 SSDEEP

          vp8encoder.dll

          • Path C:\Program\vp8encoder.dll
          • Size 593KB
          • SHA256 81af82019d9f45a697a8ca1788f2c5c0205af9892efd94879dedf4bc06db4172
          • MD5 SHA1 SHA512 SSDEEP

          5A51.bat

          • Path C:\Users\Admin\AppData\Local\Temp\5A50.tmp\5A51.bat
          • Size 967B
          • SHA256 ad74668679d07bed771a554d4c73af37cfd662c00b3e74aa95791670dc1e9b9e
          • MD5 SHA1 SHA512

          68B9.bat

          • Path C:\Users\Admin\AppData\Local\Temp\68B8.tmp\68B9.bat
          • Size 303B
          • SHA256 17e49e926d6f3442909e7e289d044335b357f6c070e3c0e8e415e7cf351c14c8
          • MD5 SHA1 SHA512

          memory/928-176-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/928-178-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/928-174-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/928-175-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/928-177-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/1896-202-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/1896-203-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/1896-199-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/1896-200-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/1896-201-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/1896-204-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/2120-165-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/2120-163-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/2120-160-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/2120-161-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/2120-162-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/2120-164-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/2804-195-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/2804-189-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/2804-191-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/2804-193-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/2804-188-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/3376-171-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3376-168-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3376-186-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3376-170-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3376-172-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3376-169-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3920-156-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3920-157-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3920-152-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3920-153-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3920-155-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3920-154-0x0000000000400000-0x0000000000AB9000-memory.dmp

          memory/3952-196-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/3952-187-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/3952-194-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/3952-190-0x0000000000400000-0x00000000009B6000-memory.dmp

          memory/3952-192-0x0000000000400000-0x00000000009B6000-memory.dmp