Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 06:53

General

  • Target

    b22affe3a11ec8c8bb9b2d3f783f7dc5817fea9f0dda386e3e821796b82c7841N.dll

  • Size

    120KB

  • MD5

    b9c8ecb079896b948d0ddd58f730b560

  • SHA1

    3af5d815de08f8e3e7a2f4f1281eeecce2cfbab1

  • SHA256

    b22affe3a11ec8c8bb9b2d3f783f7dc5817fea9f0dda386e3e821796b82c7841

  • SHA512

    087bbfb9b85d322d539549a9c8fce38acac42120b2bb9a198d4c04e184da31fc97ad6e92bcb385670ea73ec3ee10716df82ec5b47827737d0ba4961e74719fa1

  • SSDEEP

    3072:8Y0/7+smdFPkCmZhEhYHCmfOHZZ9/G9gIuPuB:X0yT2fH7f+zeP

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.

  • 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 14 IoCs

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

  • UPX packed file 24 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b22affe3a11ec8c8bb9b2d3f783f7dc5817fea9f0dda386e3e821796b82c7841N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2844
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b22affe3a11ec8c8bb9b2d3f783f7dc5817fea9f0dda386e3e821796b82c7841N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2860
              • C:\Users\Admin\AppData\Local\Temp\f766c3b.exe
                C:\Users\Admin\AppData\Local\Temp\f766c3b.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:2712
              • C:\Users\Admin\AppData\Local\Temp\f766dff.exe
                C:\Users\Admin\AppData\Local\Temp\f766dff.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2176
              • C:\Users\Admin\AppData\Local\Temp\f7687f5.exe
                C:\Users\Admin\AppData\Local\Temp\f7687f5.exe
                4⤵
                • Executes dropped EXE
                PID:2420
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:848

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f766c3b.exe

            Filesize

            97KB

            MD5

            bdd722eed7baef2f8057437463bb3a9e

            SHA1

            9e4b11c44fda7eca06c16603bb43a7ad26ed0f84

            SHA256

            0f544f75e1ecf281ce3d9bc0a4720da5f51a45a93e4d1ef43ea9226d9c89ee3a

            SHA512

            c0fd5e229d95a4bf4f7c7a85ec4bd5334c917b425f2a9f268519c6b70804b5dffbab45a72d4679f26aede9fe5326c2b84fe131547fc3c5bd6e115e7880428b95

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            9bc323ea5e357204b405a1c86cfc43e2

            SHA1

            7ecfa4eb554a00b5881fb7da8aea44b5311adaa0

            SHA256

            ba5a228aa947b7b0b9b86e8f80e320fb46d8994056c1b859eaf76e5dea74bb56

            SHA512

            a20889f89850046ccecb097295639c77e15e4d1ff1a42b943e3758f08cd18e64c512e679c2c03df2e2bcb5e70d8658f5e87efd124a4e1ecd4f5ce11ce8f07eab

          • memory/1112-27-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2176-168-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2176-191-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2176-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2176-101-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2176-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2176-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2420-106-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2420-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2420-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2420-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-89-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2712-71-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-59-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2712-58-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2712-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-156-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-25-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-23-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-45-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2712-110-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-26-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-72-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-87-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-91-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-24-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2860-34-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2860-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2860-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2860-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2860-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2860-55-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2860-56-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2860-12-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2860-13-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2860-53-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2860-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2860-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB