Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2023, 14:00

General

  • Target

    NEAS.15b234ee0f96f5da04e9bb93963a2170_JC.exe

  • Size

    65KB

  • MD5

    15b234ee0f96f5da04e9bb93963a2170

  • SHA1

    0be4490eda670390ec2c2db21ee6b9d01f66ec37

  • SHA256

    43d719a5dff0dc7d5ab6eab4741e4f6ae8f124dedb1242ed7751f063fd918b2c

  • SHA512

    a9d71b2901b16edb80c1d69c353c1e5794bbbefd6b75b78298bebd1b122881400f9cb2087dbbe0ef1c3155884e2c51fd883c5641ce12750f8d6be6befbe50a20

  • SSDEEP

    1536:ZTKn5OaBwqNCDXLnto3KJ+4RmmxEdIiEOROxGx9iELBCI+tAL3:IgqNct9JbmSEdDeeYBt4

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

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 25 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 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:332
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4092
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:2168
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:4992
            • 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:4664
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4344
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4208
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3632
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3448
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3180
                              • C:\Users\Admin\AppData\Local\Temp\NEAS.15b234ee0f96f5da04e9bb93963a2170_JC.exe
                                "C:\Users\Admin\AppData\Local\Temp\NEAS.15b234ee0f96f5da04e9bb93963a2170_JC.exe"
                                2⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Windows security modification
                                • Checks whether UAC is enabled
                                • Enumerates connected drives
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:1736
                            • C:\Windows\system32\taskhostw.exe
                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                              1⤵
                                PID:2476
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                1⤵
                                  PID:2380
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:2356
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:792
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4824
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3344

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/1736-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/1736-1-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-3-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-6-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1736-5-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1736-4-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-9-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1736-7-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-10-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-16-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-17-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-18-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-19-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-20-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-22-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-23-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-24-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-25-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-27-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-28-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-29-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-30-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1736-32-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-33-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-35-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-37-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-41-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-42-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-49-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-51-0x0000000000760000-0x000000000181A000-memory.dmp

                                                Filesize

                                                16.7MB

                                              • memory/1736-63-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1736-69-0x0000000000400000-0x0000000000412000-memory.dmp

                                                Filesize

                                                72KB