Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 16:52

General

  • Target

    44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460.exe

  • Size

    667KB

  • MD5

    300e3f51957787fe3a0a27572a80ad20

  • SHA1

    b2ddf592123cba982e04199f759a902f61f40b44

  • SHA256

    44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460

  • SHA512

    27170c020b651a172707b0be18b0fc875a294dca53a9e86c464bf115f629cab9caa13bbd58ba4636103e5164628050d89171e5697e125d5269f400ca622d1b12

  • SSDEEP

    6144:uRC0LS6V23ltSpcW3Go+jE7RkCrphFbaSKh8KBQexaZm:uRC0OqAnSCW29ARkghNvGYeoZm

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:412
    • C:\Windows\system32\wininit.exe
      wininit.exe
      1⤵
        PID:380
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          2⤵
            PID:480
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:464
              • C:\Windows\System32\svchost.exe
                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                3⤵
                  PID:756
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs
                  3⤵
                    PID:884
                    • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                      wmiadap.exe /F /T /R
                      4⤵
                        PID:1796
                    • C:\Windows\system32\taskhost.exe
                      "taskhost.exe"
                      3⤵
                        PID:1120
                      • C:\Windows\system32\sppsvc.exe
                        C:\Windows\system32\sppsvc.exe
                        3⤵
                          PID:1792
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                          3⤵
                            PID:536
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                            3⤵
                              PID:1088
                            • C:\Windows\System32\spoolsv.exe
                              C:\Windows\System32\spoolsv.exe
                              3⤵
                                PID:1028
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                3⤵
                                  PID:292
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:852
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                                    3⤵
                                      PID:816
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k RPCSS
                                      3⤵
                                        PID:680
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k DcomLaunch
                                        3⤵
                                          PID:604
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:488
                                      • C:\Windows\system32\csrss.exe
                                        %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                        1⤵
                                          PID:372
                                        • C:\Windows\system32\csrss.exe
                                          %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                          1⤵
                                            PID:336
                                          • C:\Windows\System32\smss.exe
                                            \SystemRoot\System32\smss.exe
                                            1⤵
                                              PID:260
                                            • C:\Users\Admin\AppData\Local\Temp\44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460.exe
                                              "C:\Users\Admin\AppData\Local\Temp\44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460.exe"
                                              1⤵
                                              • Modifies firewall policy service
                                              • UAC bypass
                                              • Windows security bypass
                                              • Disables RegEdit via registry modification
                                              • Loads dropped DLL
                                              • Windows security modification
                                              • Checks whether UAC is enabled
                                              • Drops file in Program Files directory
                                              • Drops file in Windows directory
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of UnmapMainImage
                                              • Suspicious use of WriteProcessMemory
                                              • System policy modification
                                              PID:564
                                              • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                2⤵
                                                • Executes dropped EXE
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of UnmapMainImage
                                                • Suspicious use of WriteProcessMemory
                                                PID:1940
                                                • C:\Windows\SysWOW64\svchost.exe
                                                  C:\Windows\system32\svchost.exe
                                                  3⤵
                                                  • Modifies WinLogon for persistence
                                                  • Drops file in System32 directory
                                                  • Drops file in Program Files directory
                                                  PID:960
                                                • C:\Windows\SysWOW64\svchost.exe
                                                  C:\Windows\system32\svchost.exe
                                                  3⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1136
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:1236
                                              • C:\Windows\system32\Dwm.exe
                                                "C:\Windows\system32\Dwm.exe"
                                                1⤵
                                                  PID:1172

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  667KB

                                                  MD5

                                                  300e3f51957787fe3a0a27572a80ad20

                                                  SHA1

                                                  b2ddf592123cba982e04199f759a902f61f40b44

                                                  SHA256

                                                  44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460

                                                  SHA512

                                                  27170c020b651a172707b0be18b0fc875a294dca53a9e86c464bf115f629cab9caa13bbd58ba4636103e5164628050d89171e5697e125d5269f400ca622d1b12

                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  667KB

                                                  MD5

                                                  300e3f51957787fe3a0a27572a80ad20

                                                  SHA1

                                                  b2ddf592123cba982e04199f759a902f61f40b44

                                                  SHA256

                                                  44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460

                                                  SHA512

                                                  27170c020b651a172707b0be18b0fc875a294dca53a9e86c464bf115f629cab9caa13bbd58ba4636103e5164628050d89171e5697e125d5269f400ca622d1b12

                                                • \Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  667KB

                                                  MD5

                                                  300e3f51957787fe3a0a27572a80ad20

                                                  SHA1

                                                  b2ddf592123cba982e04199f759a902f61f40b44

                                                  SHA256

                                                  44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460

                                                  SHA512

                                                  27170c020b651a172707b0be18b0fc875a294dca53a9e86c464bf115f629cab9caa13bbd58ba4636103e5164628050d89171e5697e125d5269f400ca622d1b12

                                                • \Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  667KB

                                                  MD5

                                                  300e3f51957787fe3a0a27572a80ad20

                                                  SHA1

                                                  b2ddf592123cba982e04199f759a902f61f40b44

                                                  SHA256

                                                  44c0065f119ed6b9218102aba0ac2d030348dac2d4e90c2b768f21ebdd467460

                                                  SHA512

                                                  27170c020b651a172707b0be18b0fc875a294dca53a9e86c464bf115f629cab9caa13bbd58ba4636103e5164628050d89171e5697e125d5269f400ca622d1b12

                                                • memory/564-55-0x0000000002660000-0x00000000036EE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/564-58-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/564-59-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/564-64-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/564-54-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/564-66-0x0000000002660000-0x00000000036EE000-memory.dmp

                                                  Filesize

                                                  16.6MB

                                                • memory/960-83-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/960-74-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/960-76-0x0000000000000000-mapping.dmp

                                                • memory/960-78-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/960-191-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1136-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/1136-87-0x0000000000000000-mapping.dmp

                                                • memory/1136-85-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/1940-67-0x0000000000400000-0x00000000004B2000-memory.dmp

                                                  Filesize

                                                  712KB

                                                • memory/1940-62-0x0000000000000000-mapping.dmp

                                                • memory/1940-82-0x0000000000400000-0x00000000004B2000-memory.dmp

                                                  Filesize

                                                  712KB

                                                • memory/1940-144-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB