Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-05-2024 20:14

General

  • Target

    eaffcb7caefb77fd919ab1be9dc5f1e5bcb77d561e62a4e0f334229d86a66a14.dll

  • Size

    120KB

  • MD5

    27042f56e7b30ffabd3dc5251f673930

  • SHA1

    473077f2a7a985d6853c01f091e5884cb7cdfd4e

  • SHA256

    eaffcb7caefb77fd919ab1be9dc5f1e5bcb77d561e62a4e0f334229d86a66a14

  • SHA512

    a74f0a315e497f09d753a05a2f4a52bdacdd7c93cb7e696715ea75b5f060d2957d26cb4f805ddc146fd98f330786184a7ad313fd98345f1c6e47d8c149e1a66c

  • SSDEEP

    3072:v1TEbizIKxzr6tiDeccQdBrTIAvw3wCsczANu/:pzB+WeT0rC3zK

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 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1220
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1352
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1412
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaffcb7caefb77fd919ab1be9dc5f1e5bcb77d561e62a4e0f334229d86a66a14.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaffcb7caefb77fd919ab1be9dc5f1e5bcb77d561e62a4e0f334229d86a66a14.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1500
              • C:\Users\Admin\AppData\Local\Temp\f768131.exe
                C:\Users\Admin\AppData\Local\Temp\f768131.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:2276
              • C:\Users\Admin\AppData\Local\Temp\f7684d9.exe
                C:\Users\Admin\AppData\Local\Temp\f7684d9.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2492
              • C:\Users\Admin\AppData\Local\Temp\f769bb3.exe
                C:\Users\Admin\AppData\Local\Temp\f769bb3.exe
                4⤵
                • Executes dropped EXE
                PID:2848
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:872

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            bcf28b809dfc0e96aa0b1c1a80bf5e5e

            SHA1

            306b85b8ce93fe26bdd6aef578b685b16ad9bc3f

            SHA256

            9b818678b7acccc54f2c2cb00014bca9b8aad4c67f52cd8ea10c269a0c9b86e0

            SHA512

            fe419f20d75616e99b735e2292b6568d29cc853d062d2502dbff63e9af479d21c31d79f00a1047cc2f0175c7b99794a2a4c85589c7994682938e2bb26e294880

          • \Users\Admin\AppData\Local\Temp\f768131.exe

            Filesize

            97KB

            MD5

            7ce4fafacb138d70c7103a92272aff53

            SHA1

            e3ceebce6283be7f4c0b2db998b4f82aebf4fff5

            SHA256

            b7ce269805b7f3fb1bfc61cafd6357c01ab7a37c9fa2d74837404cbfd09cea84

            SHA512

            c3327e15e68eb41db82590e97d46f92f58903b615fa97e5a2dd345eaa0a4627aadb08f71a8692dbcecef93097e3ff148a25b453d2df9de30d79f8e110bd70aaa

          • memory/1220-28-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1500-80-0x0000000000120000-0x0000000000126000-memory.dmp

            Filesize

            24KB

          • memory/1500-10-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/1500-77-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1500-46-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1500-56-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1500-58-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1500-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1500-4-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/1500-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1500-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1500-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2276-49-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2276-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-47-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2276-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2276-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-57-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2276-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-151-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-12-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-83-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-84-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-88-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-87-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2276-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2276-129-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2492-110-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2492-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2492-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2492-163-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2492-185-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-106-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2848-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB