Analysis

  • max time kernel
    27s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 10:27

General

  • Target

    aef3472c320e376435b27c946fd17e41f0f3f96ca02ed316b18e11d2d005c879.dll

  • Size

    120KB

  • MD5

    784e2ed0fd141c50445065e4c3fc6585

  • SHA1

    b3f5e02639435cb0a0409d310cc9f023cc8bfd38

  • SHA256

    aef3472c320e376435b27c946fd17e41f0f3f96ca02ed316b18e11d2d005c879

  • SHA512

    d762459a7118e2a9b40702546c9dae1146f691ca954b5b2260f5fb59331c15cffdcadd08378adff46ceda9fe2a79be27317859c2807df7c45dcf51a1b934d099

  • SSDEEP

    3072:8zss6G0Mz1ERUSwUZJLuO/TQ0y6gGZF59c6:4ss6G0MhYUVmx/TQ0Zfb5

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
  • Loads dropped DLL 6 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 23 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\aef3472c320e376435b27c946fd17e41f0f3f96ca02ed316b18e11d2d005c879.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2548
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\aef3472c320e376435b27c946fd17e41f0f3f96ca02ed316b18e11d2d005c879.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2504
              • C:\Users\Admin\AppData\Local\Temp\f76b2bc.exe
                C:\Users\Admin\AppData\Local\Temp\f76b2bc.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:2052
              • C:\Users\Admin\AppData\Local\Temp\f76b4fd.exe
                C:\Users\Admin\AppData\Local\Temp\f76b4fd.exe
                4⤵
                • Executes dropped EXE
                PID:2712
              • C:\Users\Admin\AppData\Local\Temp\f76ce47.exe
                C:\Users\Admin\AppData\Local\Temp\f76ce47.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:2628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1608

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b2bc.exe

            Filesize

            97KB

            MD5

            f4fa18962ab36ac873bf804a6a33cde4

            SHA1

            52940f738078dc85eeebd670c60adde1da49b852

            SHA256

            6a0bf75e0a5dfd418d823b2a8bc7112aee0810ecb62bad20cfdb85040cdc1c3d

            SHA512

            fe7efba8f92fb732e3668eaa07dade7a9029dcb22cb932e3339a12526bad8b47e8d17112fbc0a2b038565b2397d2601c212b5296a38ded83edeb495a7ae775a9

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7e049d7e32dc1f96d18ad1b4d3d27dd3

            SHA1

            6b266600877451f7e950a82678a4e003a96207f7

            SHA256

            684be46a839e0cdb8648d4e3b612790d9613a6cd5c033e659748d8279e242791

            SHA512

            1714bb1cd7f3ca5789a2e2412aa2bf30373b7b9e1eba1a9e9467d67af2900ad07abc0b3c4265a1bde2ce8617d8383e7b8d9aaf3cdd263098ff34048b668aeeb9

          • memory/1116-31-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2052-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-104-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2052-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2052-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-23-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-66-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-146-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-60-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2052-105-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-52-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2052-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-50-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/2052-24-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-84-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-83-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-82-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-25-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-67-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2052-68-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-62-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2504-61-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2504-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2504-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2504-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2504-41-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2504-42-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2504-12-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2504-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2504-59-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2504-44-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2628-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2628-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-172-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-197-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2712-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2712-124-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2712-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2712-171-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB