Analysis

  • max time kernel
    168s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 01:35

General

  • Target

    ae6550e62c5333b6db6528d31bf803f0exe_JC.exe

  • Size

    100KB

  • MD5

    ae6550e62c5333b6db6528d31bf803f0

  • SHA1

    db6432acd45a03825b19b14d7f6a55fac45c93a8

  • SHA256

    726e99973fa272ea9a829965b4d5c74cac911dcb3ab6cc1e9f13d9ca62710b2c

  • SHA512

    a99a2180cb2be1d485fe492c2a72676911092e60c961fa2e6288c99df77efe9fd2f9dd66d7d6f47173bbedda7022a99755dc787daeac918a768b3599d1ed9b37

  • SSDEEP

    1536:/EQypaWaS280QwCTJLDZM0T+MIeM4PMmhczK02uc3eZGmPwh:cQHZS28pwChI8tczKMcGb2

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 37 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 17 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:60
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2464
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3688
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:1736
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:952
            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
              1⤵
                PID:936
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4784
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3904
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3772
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3600
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3488
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3288
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3168
                              • C:\Users\Admin\AppData\Local\Temp\ae6550e62c5333b6db6528d31bf803f0exe_JC.exe
                                "C:\Users\Admin\AppData\Local\Temp\ae6550e62c5333b6db6528d31bf803f0exe_JC.exe"
                                2⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Disables RegEdit via registry modification
                                • 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 use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:4212
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2772
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2472
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:792
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:788
                                    • C:\Windows\system32\DllHost.exe
                                      C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                      1⤵
                                        PID:3204

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\qrjo.exe

                                        Filesize

                                        100KB

                                        MD5

                                        eb3991ddfd695e10e97ec4aeeffcccc0

                                        SHA1

                                        b6265ea799ecf5f165c410b90eb4a164c37a854f

                                        SHA256

                                        e8d343de159a7b1280ddbd08d139caf69b789853b9c8f34119e70a0fd9891374

                                        SHA512

                                        6bdffdd5e35eaa0a3e8eb169fbda727c1ec9d0ea042cb55ab183fc040cfe6be52c4a780828289f1097ab2740dba09df8bc0cae1d276a54cece2fa4552b1b0071

                                      • memory/4212-26-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-27-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-5-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-6-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-8-0x0000000004230000-0x0000000004231000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4212-7-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4212-9-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-10-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4212-11-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-12-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-13-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-14-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-15-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-16-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-17-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-18-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-19-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                        Filesize

                                        76KB

                                      • memory/4212-21-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-23-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-4-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-25-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-22-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4212-28-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-29-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-30-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-31-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-33-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-34-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-43-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-44-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-51-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-53-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-55-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-57-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-59-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-61-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-63-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-65-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-67-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-68-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-2-0x0000000002360000-0x00000000033EE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4212-78-0x0000000000400000-0x0000000000413000-memory.dmp

                                        Filesize

                                        76KB