Analysis

  • max time kernel
    34s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 01:43

General

  • Target

    a112039b1f1bd63ac5c036b468f7828632b56b2a467567e87451cb55d8c1b0b9N.dll

  • Size

    120KB

  • MD5

    377cbdad1a91a649c2706f3a78712a10

  • SHA1

    864451098f5858effbff0e0844b799633d907f7f

  • SHA256

    a112039b1f1bd63ac5c036b468f7828632b56b2a467567e87451cb55d8c1b0b9

  • SHA512

    f774388415fe1e6c02b39678eb6d0cdeaa556deb61f37d3420c98eaacf9d77ff63a860af77824ad185ae175f3977ee2450c91f973e49047e8c5ff53ef5cdfb23

  • SSDEEP

    3072:yvHADPcH9T2DrjRE7HsgblHKKHOt8TL8v:sATO2fjm7Mgbl5+

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 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 10 IoCs

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

  • UPX packed file 28 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2672
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2704
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2952
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3460
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a112039b1f1bd63ac5c036b468f7828632b56b2a467567e87451cb55d8c1b0b9N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4844
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a112039b1f1bd63ac5c036b468f7828632b56b2a467567e87451cb55d8c1b0b9N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4800
                      • C:\Users\Admin\AppData\Local\Temp\e579e63.exe
                        C:\Users\Admin\AppData\Local\Temp\e579e63.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2156
                      • C:\Users\Admin\AppData\Local\Temp\e579fe9.exe
                        C:\Users\Admin\AppData\Local\Temp\e579fe9.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1464
                      • C:\Users\Admin\AppData\Local\Temp\e57d580.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d580.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4588
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3952
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3672
                            • 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:1492
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3500
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2976
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2416
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3636

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e579e63.exe

                                        Filesize

                                        97KB

                                        MD5

                                        36aa817e00460cb4855674cfc7024421

                                        SHA1

                                        90b0faf056f2754e83cdf28e9bda519cbdbb1953

                                        SHA256

                                        e02ac9c540c662b6e3597d030c524ef35bc12e7202ac8971e299de48aeebbb23

                                        SHA512

                                        ec4b06b0c6f8b0aa99bd82da95731d712daa52398a2b759dd2998af506b5aadf901cdfb6cbdbff3e67871d3baf2a95dbebaa26e9213b7a4d38bde39ff644d9e1

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        73643b68016ecb0584fcf329096dcd33

                                        SHA1

                                        008b614510eafb9f0445ed3a107d686429a92e05

                                        SHA256

                                        e424187cb7b254c28c1c1349c37af3aee25eafb6d0913a0c3f26e04a0133174f

                                        SHA512

                                        3a115046acbed2bbf945611271163496b8415a0b21d69e9dd747525cba691e8efcc2fd72861d59160da4376961558c5bbb27ccf9186e2415b50598a0675e64b5

                                      • memory/1464-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1464-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1464-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1464-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1464-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2156-12-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-10-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-30-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-31-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-20-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2156-29-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2156-6-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-27-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2156-18-0x0000000001A40000-0x0000000001A41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2156-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2156-14-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-8-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-35-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-34-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-64-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-9-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-11-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-41-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-42-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-44-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-62-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-53-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-54-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2156-56-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-57-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-59-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2156-60-0x00000000007C0000-0x000000000187A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4588-110-0x0000000004370000-0x0000000004371000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4588-143-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4588-142-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4588-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4588-121-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4588-90-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4588-109-0x0000000003DE0000-0x0000000003DE2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4588-96-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4588-97-0x0000000000780000-0x000000000183A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4800-16-0x0000000003F70000-0x0000000003F71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4800-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4800-28-0x0000000003F60000-0x0000000003F62000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4800-15-0x0000000003F60000-0x0000000003F62000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4800-19-0x0000000003F60000-0x0000000003F62000-memory.dmp

                                        Filesize

                                        8KB