Analysis

  • max time kernel
    82s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 14:30

General

  • Target

    2d2f7c510262936f5c8782d349cf06a419c4d687804a57188674ef3dfa6c18e3N.dll

  • Size

    120KB

  • MD5

    ba49a91b95ba01cee0ce5ecaeed5b4e0

  • SHA1

    a40109f025450978657627ed2b8f761b253372f3

  • SHA256

    2d2f7c510262936f5c8782d349cf06a419c4d687804a57188674ef3dfa6c18e3

  • SHA512

    3ffbf00b45f5b043790618dd1828db157a11b58375d7ebed6e4324d5f4c0466fa7d1f027a3179a876032afa7966758de90f5aaad28fb16e93d30000915202a7e

  • SSDEEP

    1536:LUDFIbOBGqjS+WfDLXZtssJswtaJvsOoHPq9Fv33nyIeLy82JFILNq:L2kOsmS+cptyJvsDHSnnyIaB2JFIL

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 17 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 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:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d2f7c510262936f5c8782d349cf06a419c4d687804a57188674ef3dfa6c18e3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2540
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d2f7c510262936f5c8782d349cf06a419c4d687804a57188674ef3dfa6c18e3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2556
              • C:\Users\Admin\AppData\Local\Temp\f76aac0.exe
                C:\Users\Admin\AppData\Local\Temp\f76aac0.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:1640
              • C:\Users\Admin\AppData\Local\Temp\f76ac27.exe
                C:\Users\Admin\AppData\Local\Temp\f76ac27.exe
                4⤵
                • Executes dropped EXE
                PID:2580
              • C:\Users\Admin\AppData\Local\Temp\f76c68a.exe
                C:\Users\Admin\AppData\Local\Temp\f76c68a.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:2624
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1724

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            88122db1eeff0c001bfd115ff138ad66

            SHA1

            bb42d9ace56cc7179b3fcd70f659aad9c437d9fc

            SHA256

            4b158876178e5c0b3eb39b6c1ef6099088203a55af303523a69f231dc5f37fb8

            SHA512

            e3ffaddca4b7fa456dc40f60ee7a0f62b5348c00c2c6b274e94c64d5ff2e89a3bbd858874f012a08112e8a7bd0e3267171658a0c42645a781307dcd21f3d70c8

          • \Users\Admin\AppData\Local\Temp\f76aac0.exe

            Filesize

            97KB

            MD5

            85aa00d62f9c2a341fab876f7ef877a4

            SHA1

            e8419e48f3c8da91550967285f6be13b67f30f68

            SHA256

            5ca6c252a4eea84682423a51ae4f0878b884f0f6c86dc72ca244b1277e7e9e06

            SHA512

            1fcfca3edcc6a9f9fed1ab592e03ccff006f9f838a2fa523a7b6d1230ecc035f36c75b31c53d25ceee43dfe80497f4cb92d22d6bfda1cb10b1cece2891eb350e

          • memory/1092-28-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1640-156-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-49-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1640-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-13-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-50-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1640-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1640-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-11-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-86-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-47-0x00000000016A0000-0x00000000016A1000-memory.dmp

            Filesize

            4KB

          • memory/1640-80-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1640-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1640-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1640-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2556-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2556-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2556-217-0x0000000000420000-0x0000000000432000-memory.dmp

            Filesize

            72KB

          • memory/2556-82-0x0000000000420000-0x0000000000432000-memory.dmp

            Filesize

            72KB

          • memory/2556-46-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2556-77-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2556-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2556-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2556-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2556-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2556-36-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2580-162-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2580-216-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2580-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2580-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2580-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2580-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2624-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2624-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2624-174-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2624-215-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2624-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2624-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2624-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB