Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 22:39

General

  • Target

    28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll

  • Size

    120KB

  • MD5

    0646061ca0bd1307ecd0102000ab753e

  • SHA1

    48cdacae132fa9be57ea63d83c40256d69a6487b

  • SHA256

    28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f

  • SHA512

    57288c78b1221e614a0916d6e45681abd0f4471fefa8d4ea504cdf9e40dad19652829370b1891b3bed8861cfcb55a94993c10c66aa990c692c13d02d3470584f

  • SSDEEP

    1536:QZR0zIQERlNsBWL/1ZNN7EWPOMvQKKEL4f1U8khbt8DQLd9aCLjLrsq0iAlc6kOO:QZhFPUa74z44NobOD45jLrsBiAlcwk9

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 35 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2788
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2900
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2984
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3500
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:876
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3028
                      • C:\Users\Admin\AppData\Local\Temp\e576d41.exe
                        C:\Users\Admin\AppData\Local\Temp\e576d41.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 Program Files directory
                        • 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:4284
                      • C:\Users\Admin\AppData\Local\Temp\e576e2b.exe
                        C:\Users\Admin\AppData\Local\Temp\e576e2b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4584
                      • C:\Users\Admin\AppData\Local\Temp\e5788e7.exe
                        C:\Users\Admin\AppData\Local\Temp\e5788e7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3172
                      • C:\Users\Admin\AppData\Local\Temp\e578906.exe
                        C:\Users\Admin\AppData\Local\Temp\e578906.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:1564
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3616
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3800
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3900
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3968
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4056
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4228
                            • 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:844
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3360
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:1580
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:3984

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e576d41.exe

                                      Filesize

                                      97KB

                                      MD5

                                      c8e529ec8a1cbc2385cb50cefe5e2a0d

                                      SHA1

                                      ef1ebd021fe3507fca2dc317e5d45997dab6713b

                                      SHA256

                                      c33339d506b2ed1a04c9be88b79ea65f7632f1251767ddcce8da1521667abbea

                                      SHA512

                                      64334378f8b4530ec116026085ab7826dc42864aebf80d8a38146dbc7166f8ad4a108fac261ae146d76b29d04e2bf5d5ab861f2919ef8f00804da1d94f2a02ad

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      5c53f611778c2472b8fdaf6be6c803fc

                                      SHA1

                                      c6ebcc9e97660f8fb944848cb1f10577cc176458

                                      SHA256

                                      b2c5a4624662aa96a5939d286d4d5492766b06838a3de070fa430058f427a9c4

                                      SHA512

                                      60d7849c8f67de0b6112ab3bc2748f87cf6f67d6165e2d949971148210d10f23ee04012d5aab216479dc78d89c8294196b1cbbf28091805e3740fa5198c326df

                                    • memory/1564-131-0x0000000000BB0000-0x0000000001C6A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1564-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1564-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1564-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1564-167-0x0000000000BB0000-0x0000000001C6A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1564-168-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3028-13-0x00000000043C0000-0x00000000043C2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3028-33-0x00000000043C0000-0x00000000043C2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3028-14-0x0000000004910000-0x0000000004911000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3028-17-0x00000000043C0000-0x00000000043C2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3028-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3172-148-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3172-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3172-66-0x0000000000570000-0x0000000000571000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3172-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3172-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4284-55-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-29-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-12-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-40-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-42-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-43-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-31-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4284-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4284-59-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4284-60-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-34-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-30-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4284-75-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-77-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-80-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-81-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-83-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-84-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-85-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-89-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-90-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-93-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-95-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-96-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4284-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4284-26-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4584-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4584-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4584-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4584-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4584-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB