Analysis

  • max time kernel
    152s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 04:05

General

  • Target

    a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d.exe

  • Size

    245KB

  • MD5

    708e4caddb8751075115f728af8f0cc0

  • SHA1

    8add6c6db1f70e9e9624f74f6b7135c8ddbf4824

  • SHA256

    a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d

  • SHA512

    7c0aea5bf6b7d5bfa77536c9aea762e351251c15ca6b7f45c73cdeada4c4676f129859c587bc52286a3871c77f0d383887b294e0457ef45d7d8881196f511e66

  • SSDEEP

    3072:znz2z/jMwe8Yc49+qol6WGHAUDBughtCW4uXmL6ooAJlSYg4FToCxECDVlBEucTx:mz/w+SWpQIW12WofaY1o4bVlWuRaFp

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 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
  • UPX packed file 3 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:480
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
          2⤵
            PID:1052
          • C:\Windows\system32\sppsvc.exe
            C:\Windows\system32\sppsvc.exe
            2⤵
              PID:1968
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
              2⤵
                PID:1928
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                2⤵
                  PID:1132
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  2⤵
                    PID:304
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService
                    2⤵
                      PID:344
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:872
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        2⤵
                          PID:836
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:808
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:752
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:676
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:600
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:420
                                • 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:384
                                  • C:\Windows\system32\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:372
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:488
                                      • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                        wmiadap.exe /F /T /R
                                        1⤵
                                          PID:1248
                                        • C:\Windows\system32\wbem\wmiprvse.exe
                                          C:\Windows\system32\wbem\wmiprvse.exe
                                          1⤵
                                            PID:1480
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1256
                                              • C:\Users\Admin\AppData\Local\Temp\a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d.exe
                                                "C:\Users\Admin\AppData\Local\Temp\a698b49817a0ee8c8675df4f0ef33709cd36adc31a2dba1cf228abc085957c1d.exe"
                                                2⤵
                                                • Modifies firewall policy service
                                                • UAC bypass
                                                • Windows security bypass
                                                • Windows security modification
                                                • Checks whether UAC is enabled
                                                • Enumerates connected drives
                                                • Drops autorun.inf file
                                                • Drops file in Program Files directory
                                                • Drops file in Windows directory
                                                • Modifies registry class
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: GetForegroundWindowSpam
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of SetWindowsHookEx
                                                • Suspicious use of WriteProcessMemory
                                                • System policy modification
                                                PID:560
                                            • C:\Windows\system32\Dwm.exe
                                              "C:\Windows\system32\Dwm.exe"
                                              1⤵
                                                PID:1196

                                              Network

                                                    MITRE ATT&CK Enterprise v6

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    • memory/560-54-0x0000000076041000-0x0000000076043000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/560-55-0x0000000000400000-0x0000000000440000-memory.dmp

                                                      Filesize

                                                      256KB

                                                    • memory/560-56-0x0000000002070000-0x00000000030FE000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/560-57-0x00000000003B0000-0x00000000003F0000-memory.dmp

                                                      Filesize

                                                      256KB

                                                    • memory/560-58-0x0000000002070000-0x00000000030FE000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/560-59-0x00000000003F0000-0x00000000003F2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/560-60-0x0000000074341000-0x0000000074343000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/560-61-0x0000000006A00000-0x0000000006A02000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/560-62-0x0000000002070000-0x00000000030FE000-memory.dmp

                                                      Filesize

                                                      16.6MB

                                                    • memory/560-63-0x00000000003F0000-0x00000000003F2000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/560-64-0x0000000006A00000-0x0000000006A02000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/560-65-0x0000000000400000-0x0000000000440000-memory.dmp

                                                      Filesize

                                                      256KB