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Analysis

  • max time kernel
    42s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 23:19

General

  • Target

    173774379c0d5346e0190fcdf79d9b7e3d0d48c5b7144c5a7c9d705fa2b33de8.dll

  • Size

    260KB

  • MD5

    a18b2ef764c34e590a0ff3a217794419

  • SHA1

    4789f6baa4ea41b281caf90c35f6c73ae97d6fc4

  • SHA256

    173774379c0d5346e0190fcdf79d9b7e3d0d48c5b7144c5a7c9d705fa2b33de8

  • SHA512

    dff144a60f244990f2345ff38c55c019ee6c15b904b7c36a228ea43695a53c7d032555cff3fbca0df29bc156fbf8350a9900d1040b29b2bcb60d36fc5b8a316b

  • SSDEEP

    6144:CFfLbt7jhOqOhvV64JQhhapDVcxJY8qeh:KfLbtRO9thDVcwrM

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/

http://klkjwre77638dfqwieuoi888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • 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 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 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:472
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
          2⤵
            PID:748
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
            2⤵
              PID:1072
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:744
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:1708
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1112
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    2⤵
                      PID:684
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:340
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                          PID:868
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:828
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:796
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:668
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:592
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:416
                                • 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:376
                                  • C:\Windows\system32\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:368
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:480
                                      • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                        wmiadap.exe /F /T /R
                                        1⤵
                                          PID:1816
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1204
                                            • C:\Windows\system32\rundll32.exe
                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\173774379c0d5346e0190fcdf79d9b7e3d0d48c5b7144c5a7c9d705fa2b33de8.dll,#1
                                              2⤵
                                              • Suspicious use of WriteProcessMemory
                                              PID:1768
                                              • C:\Windows\SysWOW64\rundll32.exe
                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\173774379c0d5346e0190fcdf79d9b7e3d0d48c5b7144c5a7c9d705fa2b33de8.dll,#1
                                                3⤵
                                                • Loads dropped DLL
                                                • Drops file in System32 directory
                                                • Drops file in Windows directory
                                                • Suspicious use of WriteProcessMemory
                                                PID:1284
                                                • C:\Windows\SysWOW64\rundll32mgr.exe
                                                  C:\Windows\SysWOW64\rundll32mgr.exe
                                                  4⤵
                                                  • Modifies firewall policy service
                                                  • UAC bypass
                                                  • Windows security bypass
                                                  • Disables RegEdit via registry modification
                                                  • Executes dropped EXE
                                                  • Windows security modification
                                                  • Checks whether UAC is enabled
                                                  • Drops file in Windows directory
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  • System policy modification
                                                  PID:1316
                                          • C:\Windows\system32\Dwm.exe
                                            "C:\Windows\system32\Dwm.exe"
                                            1⤵
                                              PID:1176

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • C:\Windows\SysWOW64\rundll32mgr.exe

                                              Filesize

                                              228KB

                                              MD5

                                              e6db1399084ff1837fee00ca81e92673

                                              SHA1

                                              7ffc755a095ccfd16749fc7b546f7fde1a834d1e

                                              SHA256

                                              54e4331df3e5fb1b721849f0b1b4a518a7fce3efcf74086bf888e5f86110857c

                                              SHA512

                                              814da3edd2fd5fd3e0685a72451aac3c476d88c00004f1c086fd73c32ac928fbca203f4c4910e418a48853bd58145db1e472aaf21bd07ba9468ec581add2c813

                                            • \Windows\SysWOW64\rundll32mgr.exe

                                              Filesize

                                              228KB

                                              MD5

                                              e6db1399084ff1837fee00ca81e92673

                                              SHA1

                                              7ffc755a095ccfd16749fc7b546f7fde1a834d1e

                                              SHA256

                                              54e4331df3e5fb1b721849f0b1b4a518a7fce3efcf74086bf888e5f86110857c

                                              SHA512

                                              814da3edd2fd5fd3e0685a72451aac3c476d88c00004f1c086fd73c32ac928fbca203f4c4910e418a48853bd58145db1e472aaf21bd07ba9468ec581add2c813

                                            • \Windows\SysWOW64\rundll32mgr.exe

                                              Filesize

                                              228KB

                                              MD5

                                              e6db1399084ff1837fee00ca81e92673

                                              SHA1

                                              7ffc755a095ccfd16749fc7b546f7fde1a834d1e

                                              SHA256

                                              54e4331df3e5fb1b721849f0b1b4a518a7fce3efcf74086bf888e5f86110857c

                                              SHA512

                                              814da3edd2fd5fd3e0685a72451aac3c476d88c00004f1c086fd73c32ac928fbca203f4c4910e418a48853bd58145db1e472aaf21bd07ba9468ec581add2c813

                                            • memory/1284-55-0x0000000075931000-0x0000000075933000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1284-62-0x00000000001B0000-0x00000000001F1000-memory.dmp

                                              Filesize

                                              260KB

                                            • memory/1284-63-0x0000000000320000-0x0000000000393000-memory.dmp

                                              Filesize

                                              460KB

                                            • memory/1316-61-0x00000000006E0000-0x000000000176E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/1316-64-0x0000000000400000-0x0000000000473000-memory.dmp

                                              Filesize

                                              460KB

                                            • memory/1316-66-0x00000000006E0000-0x000000000176E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/1316-65-0x0000000000400000-0x0000000000473000-memory.dmp

                                              Filesize

                                              460KB