Analysis

  • max time kernel
    151s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 00:05

General

  • Target

    8f8518fe48fe969f67021e7a639bb3a3e31f2a053b5d34c97d80c31c06328704.exe

  • Size

    1.3MB

  • MD5

    3bd8800fd90744fb970f8f62c9523d74

  • SHA1

    3726c41101c239df34a2ead0dcedebb7343b0465

  • SHA256

    8f8518fe48fe969f67021e7a639bb3a3e31f2a053b5d34c97d80c31c06328704

  • SHA512

    bf9a958901b53352d93bf37b7b4244dd42e2348d182b884e437461a65b52d3151174ec4db4084259cd9d223d5a73adb39caad9edf4c4b0e53207eb3fba5d345f

  • SSDEEP

    24576:rIVaUJtgvY/dSUztMzHIx6liWFF55Pe8rAwAUMRS1P/StqAg1Fxv:rIVaUJqv1UzuM6F2EAnUMRShaZgFxv

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 3 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 10 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 14 IoCs
  • Suspicious use of SendNotifyMessage 11 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f8518fe48fe969f67021e7a639bb3a3e31f2a053b5d34c97d80c31c06328704.exe
    "C:\Users\Admin\AppData\Local\Temp\8f8518fe48fe969f67021e7a639bb3a3e31f2a053b5d34c97d80c31c06328704.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\YQAZiK.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\YQAZiK.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • UAC bypass
        • Windows security bypass
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:996
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /delete /tn WindowsUpdate0x8429524
          4⤵
            PID:560
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn WindowsUpdate0x8429525 /tr "C:\ProgramData\SkypeUpdates\skype.exe" /RL HIGHEST
            4⤵
            • Creates scheduled task(s)
            PID:1560
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c icacls "C:\ProgramData\SkypeUpdates" /deny %username%:F
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:860
            • C:\Windows\SysWOW64\icacls.exe
              icacls "C:\ProgramData\SkypeUpdates" /deny Admin:F
              5⤵
              • Modifies file permissions
              PID:856
          • C:\Users\Admin\AppData\Local\Temp\net.exe
            "C:\Users\Admin\AppData\Local\Temp\net.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:988
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:2020
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {FCD45B74-650C-409F-B380-6AF0268EB0A2} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\ProgramData\SkypeUpdates\skype.exe
        C:\ProgramData\SkypeUpdates\skype.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:284
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          3⤵
          • UAC bypass
          • Windows security bypass
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1992
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /delete /tn WindowsUpdate0x8429524
            4⤵
              PID:1440
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn WindowsUpdate0x8429525 /tr "C:\ProgramData\SkypeUpdates\skype.exe" /RL HIGHEST
              4⤵
              • Creates scheduled task(s)
              PID:468
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c icacls "C:\ProgramData\SkypeUpdates" /deny %username%:F
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1824
              • C:\Windows\SysWOW64\icacls.exe
                icacls "C:\ProgramData\SkypeUpdates" /deny Admin:F
                5⤵
                • Modifies file permissions
                PID:1948
        • C:\ProgramData\SkypeUpdates\skype.exe
          C:\ProgramData\SkypeUpdates\skype.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1700
          • C:\Windows\SysWOW64\svchost.exe
            "C:\Windows\system32\svchost.exe"
            3⤵
            • UAC bypass
            • Windows security bypass
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1104
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /delete /tn WindowsUpdate0x8429524
              4⤵
                PID:956
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c icacls "C:\ProgramData\SkypeUpdates" /deny %username%:F
                4⤵
                  PID:1756
                  • C:\Windows\SysWOW64\icacls.exe
                    icacls "C:\ProgramData\SkypeUpdates" /deny Admin:F
                    5⤵
                    • Modifies file permissions
                    PID:1492
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /create /sc minute /mo 1 /tn WindowsUpdate0x8429525 /tr "C:\ProgramData\SkypeUpdates\skype.exe" /RL HIGHEST
                  4⤵
                  • Creates scheduled task(s)
                  PID:1664

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\SkypeUpdates\skype.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • C:\ProgramData\SkypeUpdates\skype.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • C:\ProgramData\SkypeUpdates\skype.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • C:\ProgramData\SkypeUpdates\skype.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\YQAZiK.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • C:\Users\Admin\AppData\Local\Temp\RarSFX0\YQAZiK.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • C:\Users\Admin\AppData\Local\Temp\net.exe

            Filesize

            4KB

            MD5

            c25aa3980d6a0a9e717067e39424c662

            SHA1

            fbcc39890a965fba470376381a6591de2009d876

            SHA256

            4ac38a35f348869f2a5d06176373c672dcde2ab0f2b1d99366b9c334269a197f

            SHA512

            ec9444290958f19a72d0421708c91b62f23f36c84b0de4f91a65eeb854ca9cad0878a662e4261f217493fc38cd008cea6f1b86e9adfba969e883cea3efff1f45

          • C:\Users\Admin\AppData\Local\Temp\net.exe

            Filesize

            4KB

            MD5

            c25aa3980d6a0a9e717067e39424c662

            SHA1

            fbcc39890a965fba470376381a6591de2009d876

            SHA256

            4ac38a35f348869f2a5d06176373c672dcde2ab0f2b1d99366b9c334269a197f

            SHA512

            ec9444290958f19a72d0421708c91b62f23f36c84b0de4f91a65eeb854ca9cad0878a662e4261f217493fc38cd008cea6f1b86e9adfba969e883cea3efff1f45

          • C:\Users\Admin\AppData\Local\Temp\test.txt

            Filesize

            929KB

            MD5

            981bc07738d1e69a61851abb08153065

            SHA1

            adf9305f48fb05c85abe0325c7cb670fa4d6a791

            SHA256

            d82a9f332636c8c6e38ea4d5a93c691143afcac224ae3232f221e25e7432116f

            SHA512

            a15b08a6490093d4447440362acbf5f65dca311c4dcc96f6b7696b7274b9cc51a05ef6a13ec4e4226577ae27ea5fa15d072516bc8f0006cff7a24a52b5dd8c4e

          • C:\Users\Admin\AppData\Local\Temp\test.txt

            Filesize

            929KB

            MD5

            981bc07738d1e69a61851abb08153065

            SHA1

            adf9305f48fb05c85abe0325c7cb670fa4d6a791

            SHA256

            d82a9f332636c8c6e38ea4d5a93c691143afcac224ae3232f221e25e7432116f

            SHA512

            a15b08a6490093d4447440362acbf5f65dca311c4dcc96f6b7696b7274b9cc51a05ef6a13ec4e4226577ae27ea5fa15d072516bc8f0006cff7a24a52b5dd8c4e

          • C:\Users\Admin\AppData\Local\Temp\test.txt

            Filesize

            929KB

            MD5

            981bc07738d1e69a61851abb08153065

            SHA1

            adf9305f48fb05c85abe0325c7cb670fa4d6a791

            SHA256

            d82a9f332636c8c6e38ea4d5a93c691143afcac224ae3232f221e25e7432116f

            SHA512

            a15b08a6490093d4447440362acbf5f65dca311c4dcc96f6b7696b7274b9cc51a05ef6a13ec4e4226577ae27ea5fa15d072516bc8f0006cff7a24a52b5dd8c4e

          • C:\Users\Admin\AppData\Roaming\146.jpg

            Filesize

            26KB

            MD5

            0f7f60d1d7d7ad03005c6edb37528466

            SHA1

            50e3b59eeb3db91c8af640c7b6f06624635d1aeb

            SHA256

            507efcfccb48317ca4fa86bbc4bb0f8695b3968a9d3e4261f0512aaf62720c33

            SHA512

            b901dbc0ee329537202d35cb3a8a6f7ac41a80d12865c31d038e9451bd17fc71f4574f5cc0e6e5a91090401af1c90a7721eab1a4977f2979ef70f3c46ab92cb9

          • C:\Users\Admin\AppData\Roaming\146.jpg

            Filesize

            26KB

            MD5

            0f7f60d1d7d7ad03005c6edb37528466

            SHA1

            50e3b59eeb3db91c8af640c7b6f06624635d1aeb

            SHA256

            507efcfccb48317ca4fa86bbc4bb0f8695b3968a9d3e4261f0512aaf62720c33

            SHA512

            b901dbc0ee329537202d35cb3a8a6f7ac41a80d12865c31d038e9451bd17fc71f4574f5cc0e6e5a91090401af1c90a7721eab1a4977f2979ef70f3c46ab92cb9

          • C:\Users\Admin\AppData\Roaming\146.jpg

            Filesize

            26KB

            MD5

            0f7f60d1d7d7ad03005c6edb37528466

            SHA1

            50e3b59eeb3db91c8af640c7b6f06624635d1aeb

            SHA256

            507efcfccb48317ca4fa86bbc4bb0f8695b3968a9d3e4261f0512aaf62720c33

            SHA512

            b901dbc0ee329537202d35cb3a8a6f7ac41a80d12865c31d038e9451bd17fc71f4574f5cc0e6e5a91090401af1c90a7721eab1a4977f2979ef70f3c46ab92cb9

          • \Users\Admin\AppData\Local\Temp\RarSFX0\YQAZiK.exe

            Filesize

            1.4MB

            MD5

            145019033c20f7260f9f1e9bac8bfacd

            SHA1

            0564e9a2902718dfa22fe5e7bd3f6a0cdbebf31d

            SHA256

            2758c0f3dcf48d0e510b3aa40d8adb047b789a0d732318d40f3d6019d66f974b

            SHA512

            b058aaade0f110f0ebb675ea6fa6c9a56d9e39496940125e37755f5846aeeb2915cc17e471f534e9807d0c2fbd86920438a56f35987fe34332c8d2245fff7afc

          • \Users\Admin\AppData\Local\Temp\net.exe

            Filesize

            4KB

            MD5

            c25aa3980d6a0a9e717067e39424c662

            SHA1

            fbcc39890a965fba470376381a6591de2009d876

            SHA256

            4ac38a35f348869f2a5d06176373c672dcde2ab0f2b1d99366b9c334269a197f

            SHA512

            ec9444290958f19a72d0421708c91b62f23f36c84b0de4f91a65eeb854ca9cad0878a662e4261f217493fc38cd008cea6f1b86e9adfba969e883cea3efff1f45

          • memory/988-91-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/988-85-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/988-84-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/988-89-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/988-99-0x0000000073A10000-0x0000000073FBB000-memory.dmp

            Filesize

            5.7MB

          • memory/988-83-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/988-80-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/988-95-0x0000000073A10000-0x0000000073FBB000-memory.dmp

            Filesize

            5.7MB

          • memory/988-81-0x0000000000400000-0x000000000044A000-memory.dmp

            Filesize

            296KB

          • memory/996-93-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/996-61-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/996-60-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/996-68-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/996-67-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/996-63-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/996-64-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/1104-144-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/1104-136-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/1992-115-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/1992-120-0x0000000000400000-0x00000000004CC000-memory.dmp

            Filesize

            816KB

          • memory/2044-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

            Filesize

            8KB