Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 02:18

General

  • Target

    99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2.dll

  • Size

    120KB

  • MD5

    13de8f47eb89275c68ab19f6c5e8ae7a

  • SHA1

    e7b2aa74594576cc600a28c2ace6a8ffb3b80c99

  • SHA256

    99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2

  • SHA512

    38d3a047cc0fec77de09526b6ab37a011b7a7206f580d5a708c0c6674a60275aab6c123ee648ea60dff0cd9a5aa87d1c46d66c890541820663f8acbce772a051

  • SSDEEP

    3072:0FdEFtFFGK/HF4Oy61XnwiULESgVJCJwfASa0:0FCFGK/by6pwPLEvVUwFa0

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 16 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2192
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\99a5b0aa4deeab60c85c0e6111587775aa30fa0edbd450b85b9fafdf8106b6f2.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:556
              • C:\Users\Admin\AppData\Local\Temp\f76c7e1.exe
                C:\Users\Admin\AppData\Local\Temp\f76c7e1.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:2276
              • C:\Users\Admin\AppData\Local\Temp\f76c9a5.exe
                C:\Users\Admin\AppData\Local\Temp\f76c9a5.exe
                4⤵
                • Executes dropped EXE
                PID:2168
              • C:\Users\Admin\AppData\Local\Temp\f76e34d.exe
                C:\Users\Admin\AppData\Local\Temp\f76e34d.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:2188
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2032

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76c7e1.exe

            Filesize

            97KB

            MD5

            bad6a256979503108ec08f80574bbde2

            SHA1

            bedd56e41a9ff678cb4f8a5f72b60373eedc122a

            SHA256

            1c7ab95050d534395569e0013210fb018204c1ec4bf46195f01e65a33a585cad

            SHA512

            5aded3bc1723a6fa9a191304274e456932ca2c38add3ca4222bbe2b77e89b6149f493049597a9c549f5c089ebf6fd3fe39f3f38b548078caa266e13808ae0a97

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a57eb77f735762ee20ec517f66f7031d

            SHA1

            9638eb83a6c78c224dcbf65fb4473e67a0c2e3f3

            SHA256

            bce65078a0ea35f6bf4e52b7e7dd5d1fca351ed9d8601252b5ea92fdfbf3e7f8

            SHA512

            f4b625fd1e0d2c9bfb50d42565593d8a6d632cd938e6c30073c4b4422beca9337acf537a93df1cc70a4dbb64c1f33212ef604f71172db81c7a55901f26188fa9

          • memory/556-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/556-71-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/556-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/556-14-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/556-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/556-12-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/556-40-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/556-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/556-39-0x0000000000250000-0x0000000000251000-memory.dmp

            Filesize

            4KB

          • memory/556-59-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/556-58-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/556-50-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/556-38-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/556-47-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1084-31-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2168-101-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2168-99-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2168-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2168-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2168-136-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2168-100-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2188-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2188-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2188-213-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2188-175-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-159-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2188-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2188-108-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2276-85-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-72-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2276-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-83-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-86-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-89-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-61-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-46-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2276-25-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-158-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2276-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2276-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2276-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB