Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 04:20

General

  • Target

    99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7eN.dll

  • Size

    120KB

  • MD5

    19ea00d60cb72f4bd6d63dfa339c4250

  • SHA1

    f9c426999eff5d226aa77d4f127066a28d872714

  • SHA256

    99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7e

  • SHA512

    0ca8f1517213d92ca4c5aae86792208ac3efda13dec82b53b058c13ad26d97466432ad878748b115eb1ae0679073dcc29f2e78ecf6ec78a79ad86f8b1ffe9223

  • SSDEEP

    3072:t6RdsJRnvxBVOGb9gHRdR49BxG9siWjaDnq:kRd6nv7EGb2RSMNOq

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1072
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1092
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1176
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7eN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2596
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\99ff1173f02e86d198d7b229e532b3bed2e4d8de4be20f96324d454102339f7eN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1460
              • C:\Users\Admin\AppData\Local\Temp\f76a7a5.exe
                C:\Users\Admin\AppData\Local\Temp\f76a7a5.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:2488
              • C:\Users\Admin\AppData\Local\Temp\f76a969.exe
                C:\Users\Admin\AppData\Local\Temp\f76a969.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 policy modification
                PID:2700
              • C:\Users\Admin\AppData\Local\Temp\f76c60d.exe
                C:\Users\Admin\AppData\Local\Temp\f76c60d.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:2768
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1824

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            98adfdbafd5a7aae8d55804aabb3fbad

            SHA1

            febefcc18e68d0214bd0c8074031fa1775445aa4

            SHA256

            14948ad3e5e5ae1f18b75f80a235efc064516465188f9a98c1f71b9c9856ecc5

            SHA512

            7a215b84f7354ab5ac344ef91816582c9e503729b7ff06440de9d915affa54aba6ebc95ed1c2541c2a84480217128f56a7378793ae4a9ec674917e5e4c4f1302

          • \Users\Admin\AppData\Local\Temp\f76a7a5.exe

            Filesize

            97KB

            MD5

            292443baea40d7bc5d1c6a5c6dc6ce93

            SHA1

            bb45eb2765f3383095e2813c211c826483f3a783

            SHA256

            4547f4f23d0ca273907be6af29199916432b96edef4ed74c440a6906cf181c31

            SHA512

            36aedc9b58477b76b77200a4977efad072ef09a3672bb94163206723bbb6b4c53a080efe7286086a136ec945828766e6db60fa85c23aef544c2eda6173a72770

          • memory/1072-28-0x0000000001FD0000-0x0000000001FD2000-memory.dmp

            Filesize

            8KB

          • memory/1460-56-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1460-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1460-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1460-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1460-35-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1460-36-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1460-38-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1460-53-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1460-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-59-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-68-0x0000000002F80000-0x0000000002F82000-memory.dmp

            Filesize

            8KB

          • memory/2488-46-0x0000000002F80000-0x0000000002F82000-memory.dmp

            Filesize

            8KB

          • memory/2488-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-44-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

          • memory/2488-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-15-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-58-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-12-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-60-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-61-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-65-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-84-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-147-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-104-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-103-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-209-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-157-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-93-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2700-125-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2700-100-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2700-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2768-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2768-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2768-175-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-207-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2768-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-99-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB