Analysis

  • max time kernel
    204s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2022, 09:45

General

  • Target
    s11111etup-hall.exe
  • Size 26.0MB
  • Sample221126-lrkywsbf61
  • SHA256 930cd80a6be9bc4be07c14e47f0f3b1cd7718e9cc6f609ef4d527d083fac423a
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Possible privilege escalation attempt 6 IoCs
  • UPX packed file 8 IoCs

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

  • Loads dropped DLL 14 IoCs
  • Modifies file permissions 1 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\s11111etup-hall.exe
    "C:\Users\Admin\AppData\Local\Temp\s11111etup-hall.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\WINDOWS\temp\qp.exe
      "C:\WINDOWS\temp\qp.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:572
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" -fuck "C:\WINDOWS\temp\qp.exe"
        3⤵
          PID:1792
        • C:\Users\Admin\AppData\Local\Temp\9.exe
          "C:\Users\Admin\AppData\Local\Temp\9.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1016
          • C:\Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\ISBEW64.exe
            C:\Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{E3D7968A-351B-4399-92C4-96D334A1C50F}
            4⤵
            • Executes dropped EXE
            PID:840
        • C:\Users\Admin\AppData\Local\Temp\22.exe
          "C:\Users\Admin\AppData\Local\Temp\22.exe"
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1656
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c 2.bat
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1968
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c takeown /f "C:\Windows\syswow64"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1264
              • C:\Windows\SysWOW64\takeown.exe
                takeown /f "C:\Windows\syswow64"
                6⤵
                • Possible privilege escalation attempt
                • Modifies file permissions
                • Suspicious use of AdjustPrivilegeToken
                PID:1540
            • C:\Windows\SysWOW64\icacls.exe
              icacls "C:\Windows\syswow64" /grant administrators:F
              5⤵
              • Possible privilege escalation attempt
              • Modifies file permissions
              PID:1160
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c 2.bat
            4⤵
              PID:2004
              • C:\Windows\SysWOW64\cmd.exe
                cmd.exe /c takeown /f "C:\Windows\syswow64"
                5⤵
                  PID:1584
                  • C:\Windows\SysWOW64\takeown.exe
                    takeown /f "C:\Windows\syswow64"
                    6⤵
                    • Possible privilege escalation attempt
                    • Modifies file permissions
                    PID:1484
                • C:\Windows\SysWOW64\icacls.exe
                  icacls "C:\Windows\syswow64" /grant administrators:F
                  5⤵
                  • Possible privilege escalation attempt
                  • Modifies file permissions
                  PID:1456
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c 2.bat
                4⤵
                  PID:592
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /c takeown /f "C:\Windows\syswow64"
                    5⤵
                      PID:1680
                      • C:\Windows\SysWOW64\takeown.exe
                        takeown /f "C:\Windows\syswow64"
                        6⤵
                        • Possible privilege escalation attempt
                        • Modifies file permissions
                        PID:736
                    • C:\Windows\SysWOW64\icacls.exe
                      icacls "C:\Windows\syswow64" /grant administrators:F
                      5⤵
                      • Possible privilege escalation attempt
                      • Modifies file permissions
                      PID:816

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  IsBE.dll

                  • Path C:\ProgramData\InstallShield\ISEngine12.0\IsBE.dll
                  • Size 52KB
                  • SHA256 d34f26d85bfb94a5f017fdaf58b94ecf9553919d2aa9a9955ff0a2e3d7c11e4a
                  • MD5 SHA1 SHA512 SSDEEP

                  22.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\22.exe
                  • Size 26KB
                  • SHA256 1e4504bbb9b219b1576320f142f9b180de35889a4b3687cbf5352989a11eb7ae
                  • MD5 SHA1 SHA512 SSDEEP

                  9.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\9.exe
                  • Size 27.0MB
                  • SHA256 0539ccc3d939b8e8581668273bf2c69b7be8c5ffdfe8f54c809a98957d68f0f9
                  • MD5 SHA1 SHA512 SSDEEP

                  9.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\9.exe
                  • Size 27.0MB
                  • SHA256 0539ccc3d939b8e8581668273bf2c69b7be8c5ffdfe8f54c809a98957d68f0f9
                  • MD5 SHA1 SHA512 SSDEEP

                  ISBEW64.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\ISBEW64.exe
                  • Size 68KB
                  • SHA256 0444971c7c19df0c4e5f8ad75c12ac277638470460eb7747122539960ed5e99f
                  • MD5 SHA1 SHA512 SSDEEP

                  2.bat

                  • Path C:\WINDOWS\temp\2.bat
                  • Size 110B
                  • SHA256 79ae97b29c3a714fa32b14c282716f1378ad8de73d6a6d954fdd7e1270bc411f
                  • MD5 SHA1 SHA512

                  2.bat

                  • Path C:\WINDOWS\temp\2.bat
                  • Size 110B
                  • SHA256 79ae97b29c3a714fa32b14c282716f1378ad8de73d6a6d954fdd7e1270bc411f
                  • MD5 SHA1 SHA512

                  2.bat

                  • Path C:\WINDOWS\temp\2.bat
                  • Size 110B
                  • SHA256 79ae97b29c3a714fa32b14c282716f1378ad8de73d6a6d954fdd7e1270bc411f
                  • MD5 SHA1 SHA512

                  qp.exe

                  • Path C:\WINDOWS\temp\qp.exe
                  • Size 27.0MB
                  • SHA256 29e1526c36933fe8e6d6c0089924d2b2b0da15ab46520a737ed2d86c9852feb8
                  • MD5 SHA1 SHA512 SSDEEP

                  iphlpapi.dll

                  • Path C:\Windows\SysWOW64\dllcache\iphlpapi.dll
                  • Size 101KB
                  • SHA256 1d828f02d67ea939f85adce835027a039ee6d7ea810e7df692ff9f5e96dad40c
                  • MD5 SHA1 SHA512 SSDEEP

                  iphlpapi.dll

                  • Path C:\Windows\SysWOW64\iphlpapi.dll
                  • Size 101KB
                  • SHA256 1d828f02d67ea939f85adce835027a039ee6d7ea810e7df692ff9f5e96dad40c
                  • MD5 SHA1 SHA512 SSDEEP

                  qp.exe

                  • Path C:\Windows\Temp\qp.exe
                  • Size 27.0MB
                  • SHA256 29e1526c36933fe8e6d6c0089924d2b2b0da15ab46520a737ed2d86c9852feb8
                  • MD5 SHA1 SHA512 SSDEEP

                  22.exe

                  • Path \Users\Admin\AppData\Local\Temp\22.exe
                  • Size 26KB
                  • SHA256 1e4504bbb9b219b1576320f142f9b180de35889a4b3687cbf5352989a11eb7ae
                  • MD5 SHA1 SHA512 SSDEEP

                  22.exe

                  • Path \Users\Admin\AppData\Local\Temp\22.exe
                  • Size 26KB
                  • SHA256 1e4504bbb9b219b1576320f142f9b180de35889a4b3687cbf5352989a11eb7ae
                  • MD5 SHA1 SHA512 SSDEEP

                  9.exe

                  • Path \Users\Admin\AppData\Local\Temp\9.exe
                  • Size 27.0MB
                  • SHA256 0539ccc3d939b8e8581668273bf2c69b7be8c5ffdfe8f54c809a98957d68f0f9
                  • MD5 SHA1 SHA512 SSDEEP

                  ISSetup.dll

                  • Path \Users\Admin\AppData\Local\Temp\{67FB16C8-E9A6-44AF-A76B-AB0017620267}\Disk1\ISSetup.dll
                  • Size 539KB
                  • SHA256 4663e033c1f188ed66d3c413064bfa104f6c307ed10a918afd2b8373130a779a
                  • MD5 SHA1 SHA512 SSDEEP

                  _Setup.dll

                  • Path \Users\Admin\AppData\Local\Temp\{67FB16C8-E9A6-44AF-A76B-AB0017620267}\_Setup.dll
                  • Size 376KB
                  • SHA256 f9a007b9ec4a20fecfc004662028226e11ada038be69eab586c03a903c73fbad
                  • MD5 SHA1 SHA512 SSDEEP

                  ISBEW64.exe

                  • Path \Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\ISBEW64.exe
                  • Size 68KB
                  • SHA256 0444971c7c19df0c4e5f8ad75c12ac277638470460eb7747122539960ed5e99f
                  • MD5 SHA1 SHA512 SSDEEP

                  ISBEW64.exe

                  • Path \Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\ISBEW64.exe
                  • Size 68KB
                  • SHA256 0444971c7c19df0c4e5f8ad75c12ac277638470460eb7747122539960ed5e99f
                  • MD5 SHA1 SHA512 SSDEEP

                  _ISUser.dll

                  • Path \Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\{759741C0-97A5-436A-B95E-94DC8B86BF2B}\_ISUser.dll
                  • Size 96KB
                  • SHA256 73bee5b4dede9117096156d46ea9838832cb8409647f94d1ff9cc544903b1235
                  • MD5 SHA1 SHA512 SSDEEP

                  _IsRes.dll

                  • Path \Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\{759741C0-97A5-436A-B95E-94DC8B86BF2B}\_IsRes.dll
                  • Size 82KB
                  • SHA256 ed4790f99f36678635aefc403e3ff89e7f2b116fbdf3add1bc7c3f4ff914b6fe
                  • MD5 SHA1 SHA512 SSDEEP

                  isrt.dll

                  • Path \Users\Admin\AppData\Local\Temp\{7F4E0153-0681-4767-ACEA-488A3F7F4DA1}\{759741C0-97A5-436A-B95E-94DC8B86BF2B}\isrt.dll
                  • Size 203KB
                  • SHA256 70fa7f0aa2feb397597b2785a4bfdb2c9cd36e0edb51f4f0dfe6ac086290ac86
                  • MD5 SHA1 SHA512 SSDEEP

                  qp.exe

                  • Path \Windows\Temp\qp.exe
                  • Size 27.0MB
                  • SHA256 29e1526c36933fe8e6d6c0089924d2b2b0da15ab46520a737ed2d86c9852feb8
                  • MD5 SHA1 SHA512 SSDEEP

                  qp.exe

                  • Path \Windows\Temp\qp.exe
                  • Size 27.0MB
                  • SHA256 29e1526c36933fe8e6d6c0089924d2b2b0da15ab46520a737ed2d86c9852feb8
                  • MD5 SHA1 SHA512 SSDEEP

                  qp.exe

                  • Path \Windows\Temp\qp.exe
                  • Size 27.0MB
                  • SHA256 29e1526c36933fe8e6d6c0089924d2b2b0da15ab46520a737ed2d86c9852feb8
                  • MD5 SHA1 SHA512 SSDEEP

                  qp.exe

                  • Path \Windows\Temp\qp.exe
                  • Size 27.0MB
                  • SHA256 29e1526c36933fe8e6d6c0089924d2b2b0da15ab46520a737ed2d86c9852feb8
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/1016-93-0x0000000003D50000-0x0000000003DDE000-memory.dmp

                  memory/1016-94-0x0000000004200000-0x0000000004249000-memory.dmp

                  memory/1016-75-0x0000000010000000-0x0000000010197000-memory.dmp

                  memory/1016-110-0x0000000003D50000-0x0000000003DDE000-memory.dmp

                  memory/1016-109-0x0000000010000000-0x0000000010197000-memory.dmp

                  memory/1448-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

                  memory/1656-96-0x00000000747D1000-0x00000000747D3000-memory.dmp

                  memory/1656-95-0x0000000074941000-0x0000000074943000-memory.dmp