Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 03:59

General

  • Target

    c573b51d43fc1165cb41508e1f1567be483ea07b37281eee76d87f25eb443f2d.dll

  • Size

    120KB

  • MD5

    c7bf9cbe26ef3257949d18daa5e1006f

  • SHA1

    5f967eda1961bd40d9c5db9f9d0db78553d0690f

  • SHA256

    c573b51d43fc1165cb41508e1f1567be483ea07b37281eee76d87f25eb443f2d

  • SHA512

    008e06d5a9474ad0a6141f01d43d70d82659750cce15a1c6c4a51a6276eb84e673a57e00462134b7940e6b74490151804f77d9a26c535084de3e7409a8c105fb

  • SSDEEP

    3072:7ZC2HpPIRoEJziEnYxxRZnmhBkO7sUN+5x:7ZCUpgoERiEYTRZnml7sUc

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 15 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 47 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1192
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c573b51d43fc1165cb41508e1f1567be483ea07b37281eee76d87f25eb443f2d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2068
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c573b51d43fc1165cb41508e1f1567be483ea07b37281eee76d87f25eb443f2d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2092
              • C:\Users\Admin\AppData\Local\Temp\f76ad8e.exe
                C:\Users\Admin\AppData\Local\Temp\f76ad8e.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:1876
              • C:\Users\Admin\AppData\Local\Temp\f76af71.exe
                C:\Users\Admin\AppData\Local\Temp\f76af71.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f76cc15.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc15.exe
                4⤵
                • Executes dropped EXE
                PID:2364
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1664

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            813b1ba24aaa237e17524230dbf78742

            SHA1

            4e620e8b1a95f9563b91239462e3aafdff41d98c

            SHA256

            d7a1e07165873e7ce235fb4cc683f83ebb8367a2276e628563a91b6948e4c37f

            SHA512

            3de87caeafb311f479d96e7a831ebf7e9e96187880e033a9594e2fae25972d3ab1ed838e491da067a773920f3ff3f5734446e5b2cbf3f9dba9e03581e5d8f429

          • \Users\Admin\AppData\Local\Temp\f76ad8e.exe

            Filesize

            97KB

            MD5

            9e7f74d5e152d413f868cd48882ca82c

            SHA1

            f0340277ef478da80735f36cbcd0f6f26d1b392d

            SHA256

            830ab6e949674807405764d04ee802cededd22f0a6d4b7f081bdf43252ec11b8

            SHA512

            3c2b42f6fe97e0059e357e90318fbea420f932f77fcd0ff53511fffef9d157008f35ee47945105593036c15c5b5b7a60a49bb35a72344e1a56d938dc5573ed6f

          • memory/1124-30-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1876-73-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-71-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-91-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-23-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1876-90-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-86-0x00000000005E0000-0x00000000005E2000-memory.dmp

            Filesize

            8KB

          • memory/1876-68-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-72-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-153-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-54-0x00000000005E0000-0x00000000005E2000-memory.dmp

            Filesize

            8KB

          • memory/1876-70-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-51-0x00000000005E0000-0x00000000005E2000-memory.dmp

            Filesize

            8KB

          • memory/1876-24-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-49-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

            Filesize

            4KB

          • memory/1876-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1876-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-61-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2092-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2092-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2092-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-60-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2092-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2092-39-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2092-85-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2092-81-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-38-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-9-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2092-48-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2364-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2364-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2364-105-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2364-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2364-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-165-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-191-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB