Analysis

  • max time kernel
    32s
  • 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
    31-12-2024 22:07

General

  • Target

    fc2399bcd0d035dcf86088e49441325ca88a6b74c2aab2c4949b42d4a954dbc3.dll

  • Size

    120KB

  • MD5

    d2e6898d2d9598cf73ee4a1709f7eeb3

  • SHA1

    e5ff1d49c2f4ee815e8c1e97ff18e13321f8733c

  • SHA256

    fc2399bcd0d035dcf86088e49441325ca88a6b74c2aab2c4949b42d4a954dbc3

  • SHA512

    d7a4939e0ac77fe6e27ec23b5158c5edb0268df86416bc2a9ab2e6a3ea251cb3df0663bbe5477a8ba42a023aeaa431e9a5bda44f99c96e6c45df27c0249853d6

  • SSDEEP

    3072:XY4qJru5yNIqE9u0va5Ei/Fd2RgLQcYqWFtD6m:XBH5yNIqx95E10QcYqWD

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 13 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:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2744
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2780
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2992
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3428
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc2399bcd0d035dcf86088e49441325ca88a6b74c2aab2c4949b42d4a954dbc3.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4604
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc2399bcd0d035dcf86088e49441325ca88a6b74c2aab2c4949b42d4a954dbc3.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3228
                      • C:\Users\Admin\AppData\Local\Temp\e579de6.exe
                        C:\Users\Admin\AppData\Local\Temp\e579de6.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:4272
                      • C:\Users\Admin\AppData\Local\Temp\e579fda.exe
                        C:\Users\Admin\AppData\Local\Temp\e579fda.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3112
                      • C:\Users\Admin\AppData\Local\Temp\e57ce7b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ce7b.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:4204
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3904
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4104
                            • 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:2412
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2284
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4744

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e579de6.exe

                                    Filesize

                                    97KB

                                    MD5

                                    875bed2e8be1a0b45d638b753b01b16c

                                    SHA1

                                    f714eefb309e6ca77e06cc6c0788de8874726287

                                    SHA256

                                    a265e3ba3f3057162e5b6fa98abda3b306de61dd4ac2768f8bf8e11fdd078c39

                                    SHA512

                                    8319f7cb64e864cf1e904eb801e99016770f4265ef676c08a463f4693df6d6491372c1472f01d9217b9130632f0a0ccfcb76461ba6ae4166730fbd7b07a24653

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    7fd8246f5fdb87fa6e04eadffc8118f1

                                    SHA1

                                    323646dde562c6e47d01cb379723db1dce1fbb4b

                                    SHA256

                                    6250b2b8fc9605e801abba0466d77607527ce7ca150c281882a6f01707b9f857

                                    SHA512

                                    c7a552ff03d6b87c7c475cb6c6b7e89bd9cef5041a64115afd3a49bb6c7ce5de2dea2c5b41ed361baf92c168f5fa7ffa3c2961d69b7ea62ccb17c12b8cfd388f

                                  • memory/3112-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3112-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3112-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3112-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3112-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3228-47-0x0000000000790000-0x0000000000792000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3228-21-0x00000000008C0000-0x00000000008C1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3228-20-0x0000000000790000-0x0000000000792000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3228-28-0x0000000000790000-0x0000000000792000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3228-25-0x0000000000790000-0x0000000000792000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3228-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4204-125-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4204-123-0x0000000000840000-0x00000000018FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4204-111-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4204-112-0x0000000001B80000-0x0000000001B81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4204-147-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4204-92-0x0000000000840000-0x00000000018FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4204-148-0x0000000000840000-0x00000000018FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-38-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-58-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-36-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-37-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-12-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-39-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-40-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-13-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-27-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4272-23-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4272-48-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4272-19-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-46-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-56-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-57-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-9-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-60-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-63-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-64-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-66-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-68-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4272-31-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-32-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-24-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-29-0x00000000007F0000-0x00000000007F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4272-11-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-10-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-7-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-6-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4272-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB