Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2023 12:06

General

  • Target

    NEAS.f1d3022082240f48b73e3e3d3b134720.dll

  • Size

    120KB

  • MD5

    f1d3022082240f48b73e3e3d3b134720

  • SHA1

    dd144baccd8c78242d0ac594c99c3f64a25fcff0

  • SHA256

    b3aaa4d82297fbd56e015c01bff60a9f8706fda2fe08bceeb462f13588ade4ef

  • SHA512

    7e86f459386d087cfd72c1d86777f4bf533176c9e8248e8c1b0847b4bb3424f293e00c67fe2050be640cbd555eeafcb103227c458fcbf5b13fa9e8a3495ff043

  • SSDEEP

    1536:IaWnc/C+Z66j4k/Dj54fLihewNPMH7yVYS5Md9HTZhYtke6IrZTPHtpP77eFzGM2:I+8k5gihe5GyS5INix6IJ11AaMby

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 23 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1192
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f1d3022082240f48b73e3e3d3b134720.dll,#1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2924
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f1d3022082240f48b73e3e3d3b134720.dll,#1
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3012
            • C:\Users\Admin\AppData\Local\Temp\f768aa3.exe
              C:\Users\Admin\AppData\Local\Temp\f768aa3.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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:3016
            • C:\Users\Admin\AppData\Local\Temp\f769270.exe
              C:\Users\Admin\AppData\Local\Temp\f769270.exe
              4⤵
              • Executes dropped EXE
              PID:2444
            • C:\Users\Admin\AppData\Local\Temp\f76a499.exe
              C:\Users\Admin\AppData\Local\Temp\f76a499.exe
              4⤵
              • Executes dropped EXE
              PID:2864
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1724
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1168

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f768aa3.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • C:\Users\Admin\AppData\Local\Temp\f768aa3.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • C:\Users\Admin\AppData\Local\Temp\f769270.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • C:\Users\Admin\AppData\Local\Temp\f76a499.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • \Users\Admin\AppData\Local\Temp\f768aa3.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • \Users\Admin\AppData\Local\Temp\f768aa3.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • \Users\Admin\AppData\Local\Temp\f769270.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • \Users\Admin\AppData\Local\Temp\f769270.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • \Users\Admin\AppData\Local\Temp\f76a499.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • \Users\Admin\AppData\Local\Temp\f76a499.exe

            Filesize

            97KB

            MD5

            67cfdb2cac3c2662691d3c9bf002f127

            SHA1

            018d4cf4b6c4667019e3e2a6d9516291fc502f7f

            SHA256

            20f7c2733f484ac181c3603d3bbeb2dd0ab80ae45ac02f2968abfbc2065d7fce

            SHA512

            302ae3a708744fabcb07cf66aff1955db2e26e1a9a2b6f439e2ef4e5cd9c0545b7ffc442a90afcab7271af7301a91fd3366e46fcbdceec23c7665b6cad0c25f2

          • memory/1100-15-0x0000000001BC0000-0x0000000001BC2000-memory.dmp

            Filesize

            8KB

          • memory/2444-94-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2444-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2444-137-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2444-141-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2444-45-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2864-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2864-144-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2864-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2864-149-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2864-77-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2864-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2864-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3012-25-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3012-75-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/3012-28-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3012-26-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/3012-42-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/3012-70-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3012-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3012-29-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/3012-73-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/3012-43-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/3016-59-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-61-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-60-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-58-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-57-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-56-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-62-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-76-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-79-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-80-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-82-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/3016-81-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-84-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-47-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-54-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/3016-55-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3016-30-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-23-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-104-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-107-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3016-14-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-143-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-13-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-11-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3016-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB