Analysis

  • max time kernel
    9s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 02:05

General

  • Target

    4b6a67cb8f5bac5f48b4974058fd77c0.exe

  • Size

    100KB

  • MD5

    4b6a67cb8f5bac5f48b4974058fd77c0

  • SHA1

    1ea2c8640b82f59cf83e9bc6e4678863d5261e98

  • SHA256

    15c757161460e76ce75c4705674ee2567927e75b2e6d8c1160914f1a52514574

  • SHA512

    a5f9c6f7d9f13aa56ac704fde3fdf632480c3e855233c2d3109eba7bffacb694c53ee2fa6d67276400c064f54a24739c20d7ac69b77d7385c258294b4ee4fa7d

  • SSDEEP

    3072:wh1iAbF+mLOaqQ1FV20ucC0Pn07JrbGGIg7:zAZ+mLzqQvgJeRg

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 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 4 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b6a67cb8f5bac5f48b4974058fd77c0.exe
    "C:\Users\Admin\AppData\Local\Temp\4b6a67cb8f5bac5f48b4974058fd77c0.exe"
    1⤵
    • 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2240
  • C:\Windows\system32\backgroundTaskHost.exe
    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
    1⤵
      PID:1956
    • C:\Windows\system32\backgroundTaskHost.exe
      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
      1⤵
        PID:1064
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
        1⤵
          PID:1216
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3780
          • 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:1852
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4124
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:4012
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3912
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3848
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3756
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3584
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3420
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2520
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2952
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2848
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:64
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:792
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:784

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • F:\tjpt.pif

                                        Filesize

                                        46KB

                                        MD5

                                        0fac583b55dc62f7718958ab5e15b5e5

                                        SHA1

                                        970fb2e207429be55930439c7a7ca1b2c8e8051e

                                        SHA256

                                        8b2427715aacf40148a809fc879314543227ce9029ba56c6257cbee2ef160583

                                        SHA512

                                        ce5b32dba38c5d8b144ed7266e81f586deca93cfd2c4b1ba1c3ef3b2b743cee4665adc15c306d3e9003250b5e6ccb25f490c556c33f10ae1c476d3d95f3605f2

                                      • memory/2240-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-6-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-28-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-7-0x0000000003A20000-0x0000000003A22000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2240-8-0x0000000004610000-0x0000000004611000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2240-10-0x0000000003A20000-0x0000000003A22000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2240-11-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-26-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-12-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-5-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-14-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-25-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-21-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                        Filesize

                                        76KB

                                      • memory/2240-15-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-3-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-30-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-33-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-35-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-37-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-39-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-41-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-43-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-45-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-47-0x0000000003A20000-0x0000000003A22000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2240-48-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-49-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-55-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-57-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-59-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-61-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-63-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-65-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-67-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/2240-1-0x00000000022C0000-0x000000000334E000-memory.dmp

                                        Filesize

                                        16.6MB