Analysis

  • max time kernel
    33s
  • 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
    16-12-2024 01:00

General

  • Target

    c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8N.dll

  • Size

    120KB

  • MD5

    43b01d9be988f5e3dffd674cfca62330

  • SHA1

    9305db15002838a26db5b875995cbd038d92de82

  • SHA256

    c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8

  • SHA512

    fb4d8b40f9df0ce0b11dcd67790fda4196b7dec88cb31359ee52ab382e6511dc5d34ff787f61d02d565e615d48d989cc40c28af90727cd1f4699b5798167f2be

  • SSDEEP

    3072:3W+mhKXydgVt8dqs4N5ocRCwMBIIPYZpF4qn7VAHsG86:3WthFdD4kmFMBpgfFR7VAMG

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 11 IoCs

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

  • UPX packed file 27 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:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2888
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2232
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4084
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4892b6d222dbd352efe1b829793a0dbdae4624d5a1576417f504d032a9858b8N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1056
                      • C:\Users\Admin\AppData\Local\Temp\e57ae70.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ae70.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:896
                      • C:\Users\Admin\AppData\Local\Temp\e57b0a3.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b0a3.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2284
                      • C:\Users\Admin\AppData\Local\Temp\e57e445.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e445.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:2860
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3528
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3816
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3880
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3968
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4020
                            • 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:1488
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5072
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1868

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57ae70.exe

                                    Filesize

                                    97KB

                                    MD5

                                    2db5368f3b05448a6dd2114f7509a763

                                    SHA1

                                    7e5931c54a6c0a8a0f7ed915423437fb13fecf15

                                    SHA256

                                    b1fde781cd0d0f9f3ba50e07cd0e5faf8209395402dc5a4ee3f92241e16e8337

                                    SHA512

                                    0234464cd2329699961aa1b18884a0e47829b4201026c8973bce047125d02222c8a9d264451b79fa1ef10159b09515486e51bf3a1d763907932d458f00e200b6

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    c965734158db9ef25c2dcd4d51a62b58

                                    SHA1

                                    57e72b66d40aed3641993f9b358b0f944098019b

                                    SHA256

                                    845d76d5fd7747524d0c0021d69904cfe0f02d5fb852e5f224095e0a97a51e54

                                    SHA512

                                    828f7527a3e03a924116a1a2f030ee65eff5156dfbed6527fcd8126fbec972f166f2b3f7f4532a09cccb054bf5ccfdf3dcf00451d2e8cfe9dd5df0ab5601527b

                                  • memory/896-57-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-69-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-10-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-39-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-25-0x00000000007C0000-0x00000000007C1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/896-27-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/896-30-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/896-21-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/896-90-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/896-19-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-70-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-31-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-13-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-12-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-9-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-20-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-8-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-35-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-36-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-37-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-38-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-61-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-59-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-11-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-56-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-45-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/896-47-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/896-55-0x00000000008E0000-0x000000000199A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1056-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1056-26-0x0000000000BD0000-0x0000000000BD2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1056-23-0x0000000000C20000-0x0000000000C21000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1056-46-0x0000000000BD0000-0x0000000000BD2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1056-22-0x0000000000BD0000-0x0000000000BD2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1056-29-0x0000000000BD0000-0x0000000000BD2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2284-42-0x0000000000460000-0x0000000000461000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2284-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2284-43-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2284-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2284-41-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2860-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2860-97-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2860-95-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2860-98-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2860-147-0x00000000007D0000-0x000000000188A000-memory.dmp

                                    Filesize

                                    16.7MB