Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 00:17

General

  • Target

    42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836.dll

  • Size

    120KB

  • MD5

    a7c7e300395ce343583e0507f0fd5dc6

  • SHA1

    3db2e09ae1ee2e2773fddea25b4e25d3ee5d4b14

  • SHA256

    42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836

  • SHA512

    fcaba8d6e89c8a4526ef7b4491781919db6a76930701c2645cbdeab9020d3d676c53c7c5f47deb7547f07c5a050fc3f973037caac5b1840895a8de4d6682a9fa

  • SSDEEP

    3072:k3rP9/eew0jLiw+Fp3kcQFuRWguQH1GaabU4UooJr:k3rP9/Jw0niw+F6FoWYGaaI4UJ

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1096
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:688
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b25666cf51b855c1e137e115f6903e7a438c6c947e96fa6bf3e84da273e836.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2376
              • C:\Users\Admin\AppData\Local\Temp\f7698d6.exe
                C:\Users\Admin\AppData\Local\Temp\f7698d6.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:2540
              • C:\Users\Admin\AppData\Local\Temp\f769a9a.exe
                C:\Users\Admin\AppData\Local\Temp\f769a9a.exe
                4⤵
                • Executes dropped EXE
                PID:2708
              • C:\Users\Admin\AppData\Local\Temp\f76b75d.exe
                C:\Users\Admin\AppData\Local\Temp\f76b75d.exe
                4⤵
                • Executes dropped EXE
                PID:2428
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1004

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\f7698d6.exe

            Filesize

            97KB

            MD5

            2501cb349f4f504c6ac9d0c582790f99

            SHA1

            82a139d8e01848b102bfab793b114171748434d0

            SHA256

            c253bc989324c5b3d73ad03aafd7d76bd97a4fdec8930332493f9f4345eaab8e

            SHA512

            f6200d35f233aa1ac62101494688be63fa8e76cf2d3b2140a3809d8bfa09b54fdd969c0a2129e460bf074439f93545891277c43a92b1b97ef2d20a03e480eb24

          • memory/1060-30-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/2376-84-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2376-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-6-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2376-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2376-48-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2376-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2376-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2376-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2376-62-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2376-61-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/2428-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2428-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2428-166-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2428-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2540-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-72-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-51-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/2540-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-96-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-49-0x00000000017F0000-0x00000000017F1000-memory.dmp

            Filesize

            4KB

          • memory/2540-52-0x00000000017E0000-0x00000000017E2000-memory.dmp

            Filesize

            8KB

          • memory/2540-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2540-158-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2540-97-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2708-134-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2708-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2708-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2708-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB