Analysis

  • max time kernel
    75s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 18:52

General

  • Target

    d1a7cb09d9fdc676bafbb0b0d762c1e9d962501e407b38690f8740b39c0a8f1fN.dll

  • Size

    120KB

  • MD5

    cf1ddd443bc7730e9a8650f05b8e6db0

  • SHA1

    fc26e67438c218dc19772230d6587fef734462f5

  • SHA256

    d1a7cb09d9fdc676bafbb0b0d762c1e9d962501e407b38690f8740b39c0a8f1f

  • SHA512

    da7e58a1aa12a73180b8127c05bff21b9c839b36c066e12395c610da7204763ec9e137a82561240908d44dc95b7dc782b0d539cb09cc527855db6b302406965c

  • SSDEEP

    3072:zv5nXerm4K0AdlZ9to51pCYaJXlZ5M7XGZlijkiI:zNXWK0EhorpqhlZi7XG3ijI

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 15 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1a7cb09d9fdc676bafbb0b0d762c1e9d962501e407b38690f8740b39c0a8f1fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1764
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1a7cb09d9fdc676bafbb0b0d762c1e9d962501e407b38690f8740b39c0a8f1fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1732
              • C:\Users\Admin\AppData\Local\Temp\f76e3ca.exe
                C:\Users\Admin\AppData\Local\Temp\f76e3ca.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:\Users\Admin\AppData\Local\Temp\f76e560.exe
                C:\Users\Admin\AppData\Local\Temp\f76e560.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:2724
              • C:\Users\Admin\AppData\Local\Temp\f76ffa3.exe
                C:\Users\Admin\AppData\Local\Temp\f76ffa3.exe
                4⤵
                • Executes dropped EXE
                PID:2940
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d7710949aec44a5a3219e36197ba4202

            SHA1

            242b6fa04d8126435041403e324425defd6371fd

            SHA256

            b1add2530c48741400c50bf9b07f476c534cc8cd5d1cf201bc258c9cf8d40472

            SHA512

            6d9f35fd748278bed3f07b0ebc83eae7847fefbe93eadfb31493cfbfa1042131f271824e6c55ea11f3d4827a40c848d6e02a0fd5b849241e79f000f3cb0fd102

          • \Users\Admin\AppData\Local\Temp\f76e3ca.exe

            Filesize

            97KB

            MD5

            814ba4d555057ba3a91dfe0b68ddbea3

            SHA1

            155678787d9e995ba051ed37d7453ecbc80829e4

            SHA256

            f28bee002732aafbc1f6226a40b3534995ad0bb1d4e46176009eb1fb41248ebf

            SHA512

            b5bb6290cd6eb3264f0a8f0d100e89271699a625ef17193d6ea9b508c0f57a7a3181919730c8bdaa1ac524dee9b35856e34185852a4fec39e76ee4b69c0d0a34

          • memory/1104-25-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1732-6-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1732-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1732-43-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1732-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1732-59-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1732-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1732-58-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/1732-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1732-51-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1732-33-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1732-34-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2628-61-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2628-62-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2628-42-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/2628-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-24-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-23-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-16-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-22-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-14-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-154-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-63-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-69-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-70-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-83-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-86-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-87-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-100-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2724-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2724-98-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2724-127-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2724-166-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2724-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2724-189-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2940-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2940-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2940-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2940-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2940-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB