Analysis

  • max time kernel
    20s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 12:36

General

  • Target

    c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe

  • Size

    248KB

  • MD5

    f9f5290e97798bc904c365374f50f9f4

  • SHA1

    bcdbf537e009e2004172bcd32888a3a90072ff36

  • SHA256

    c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f

  • SHA512

    84aa80ce030140be1d20ccf7960c01f10191259f43e2e18e1b45c2685fe2ca19e4fa8193875a25eacdf550d4c304e338326906133f0aee39dbd19b98f0ed04d4

  • SSDEEP

    3072:rmsDm4U1esoRoNRkLUzQwF9qhnfNc5MOt8MaqHE8KXzOKSNzV9brTzTnxIH38MQL:rmgm4KoRIRkGQ4sxMMlMJ5tWHsLZOzo3

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 18 IoCs
  • Windows security modification 2 TTPs 20 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 5 IoCs

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

  • UPX packed file 41 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 3 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 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:392
        • 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:2696
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2980
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3356
                  • C:\Users\Admin\AppData\Local\Temp\c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe
                    "C:\Users\Admin\AppData\Local\Temp\c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • 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 FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:244
                    • C:\Users\Admin\AppData\Local\Temp\c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe
                      C:\Users\Admin\AppData\Local\Temp\c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe -start
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:2604
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3524
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3864
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3396
                            • 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:4832
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:468
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4896
                                  • C:\Users\Admin\AppData\Local\Temp\c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe
                                    C:\Users\Admin\AppData\Local\Temp\c4ea8403fcc39e0b5917c9ecd928ec57e8fa422825df3bf399d3539bdf94343f.exe -dispatch
                                    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
                                    • System Location Discovery: System Language Discovery
                                    • Modifies data under HKEY_USERS
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:3616

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe

                                    Filesize

                                    423KB

                                    MD5

                                    e3e8041235c2d95b141cfa993210f7d5

                                    SHA1

                                    8bd4509430e0dd28479d03d5e751433aaad33b75

                                    SHA256

                                    2b14ba4cf87994644d308337ce672a9027a405e60f191e32c0e7fd4f8dccc49c

                                    SHA512

                                    c49fb7cb8c76531ec00134d53c96dbc2e044b0263eb416a0ef8770042830b007a2ef89fbad7df33a31932f3c922bd512268d711ed5a9937432e9908243973706

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    ae2002c5725cb2064a9719e922b6f0b9

                                    SHA1

                                    1cc80c9b247622137c535bcc4d4b0a34ec70c280

                                    SHA256

                                    2003741f6f5cf84535ee5915f8a538a483f094941908faff42f4508773a6f1a6

                                    SHA512

                                    37b47c2f140df233259021933050da1b809907789534c01a2b827904d249d10ed216b46857603c3550142682eefb30520b4a2cd712d1b64ed3c15e37944c5957

                                  • C:\autorun.inf

                                    Filesize

                                    301B

                                    MD5

                                    6e57202576d58f5d9e1bc3461a9e411b

                                    SHA1

                                    925cce65e965b87ad06a88dc81b0265c2edd29ac

                                    SHA256

                                    26bde5eca727ae7eb8c2ddff8520b409aabd2532ff776056f56b21161211f374

                                    SHA512

                                    31f6ef8ac535944af12ca4f4ca6ac2cc99a47433f87e97bfdbb9fc8c08188fb6f860eb97ccb702efc4ebd13fc819a605ead2532775692e9bbe254ca52f8395a9

                                  • C:\hprrc.pif

                                    Filesize

                                    97KB

                                    MD5

                                    b9f63ae7ef18ab02cd7070c642106636

                                    SHA1

                                    0eed9172705a1222be90acd6668da829aa8184a2

                                    SHA256

                                    5233eb1743f5ac84a78d21fbab03f60b6849abb31b7352ef1bd5e9e096f7a0e7

                                    SHA512

                                    a69b84df9f42ed46ad3c50b5307f44d0134a9566eea2700138a21cf23157364d285003c649ce631a6cd3cb3b04f6c9de710c1e3b63a59658a7f55b33ae3c0f66

                                  • F:\autorun.inf

                                    Filesize

                                    286B

                                    MD5

                                    f5c2cb56db4d95def9cbe55ed551e53b

                                    SHA1

                                    83a8a2fde5a776993607c94676310668223c3627

                                    SHA256

                                    642900121fd89f2fc4d93c1ffd82abbbe8d41999f4aee9c65d035ad3b8164c0a

                                    SHA512

                                    9edc22b3185458586ed9d8753387c29064c3eb32face9cf7347fec2082022b21494ef8e6d2431b77305e2c005ce80a5f91656b3355881dabb7d443890dd4cef5

                                  • memory/244-79-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-84-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-8-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-23-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-24-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-211-0x0000000000400000-0x000000000044A000-memory.dmp

                                    Filesize

                                    296KB

                                  • memory/244-5-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-36-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-3-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-48-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-9-0x0000000000670000-0x0000000000672000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-7-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-120-0x0000000004F30000-0x0000000004F32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-96-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-93-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-61-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-62-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-95-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-40-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-10-0x0000000000C10000-0x0000000000C11000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/244-82-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-0-0x0000000000400000-0x000000000044A000-memory.dmp

                                    Filesize

                                    296KB

                                  • memory/244-26-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-76-0x0000000000670000-0x0000000000672000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-66-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-21-0x0000000000670000-0x0000000000672000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-67-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-15-0x0000000000670000-0x0000000000672000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-6-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-72-0x0000000004F30000-0x0000000004F32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-20-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-71-0x0000000004F30000-0x0000000004F32000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/244-4-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/244-65-0x00000000023A0000-0x000000000345A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2604-22-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2604-12-0x0000000000630000-0x0000000000631000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2604-31-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2604-34-0x0000000000400000-0x000000000044A000-memory.dmp

                                    Filesize

                                    296KB

                                  • memory/2604-19-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3616-46-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-59-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-75-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-25-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-80-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-30-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-64-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-83-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-63-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-86-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-38-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-73-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-94-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-54-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-98-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-39-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-47-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-29-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-35-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-28-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-68-0x0000000000F70000-0x000000000202A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3616-212-0x0000000000400000-0x000000000044A000-memory.dmp

                                    Filesize

                                    296KB