Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 03:19

General

  • Target

    cd18690a8594cd13e1d77b31cd771052172d91255a1b348c9e913dda67e05edb.dll

  • Size

    120KB

  • MD5

    fb194785098c1440aa1f0c623b851aa4

  • SHA1

    e107059524ef21ff8aa0b75d9dd212fb0e83e6c5

  • SHA256

    cd18690a8594cd13e1d77b31cd771052172d91255a1b348c9e913dda67e05edb

  • SHA512

    748d9158eb32e5b469c2629f3bcde56576ae82390a9e3e6862afaf3c9a856b1c51eb5f5cd426e87dc7a0d6f8be2b9f64d23dfd1a62b77b0627b79fd20b9f670a

  • SSDEEP

    3072:n4sGqjQ+GI5UqWYBbTlJeVX3E+uYxk4Hmh9z0K:AqHGmCYVl8t3EppN9zJ

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 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd18690a8594cd13e1d77b31cd771052172d91255a1b348c9e913dda67e05edb.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2512
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd18690a8594cd13e1d77b31cd771052172d91255a1b348c9e913dda67e05edb.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2196
              • C:\Users\Admin\AppData\Local\Temp\f76b9dd.exe
                C:\Users\Admin\AppData\Local\Temp\f76b9dd.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:2204
              • C:\Users\Admin\AppData\Local\Temp\f76bb92.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb92.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:1048
              • C:\Users\Admin\AppData\Local\Temp\f76d826.exe
                C:\Users\Admin\AppData\Local\Temp\f76d826.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:2476
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:632

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c0d379e45c511ae4bf74a90d6e9f9924

            SHA1

            d85b06b9cb88f9311338143d6f9b686da7453240

            SHA256

            923b18b676151cf86765d7bc3f1052db780f24b43291c9fbf7d66c9fd98c6148

            SHA512

            7648203335bc491d6127e677b976cc6309877badcf4f4e777e3309e6a4bacf996e583a44ace4c949361426a622c2f8623830abb3c119b12a994299f99bf6909d

          • \Users\Admin\AppData\Local\Temp\f76b9dd.exe

            Filesize

            97KB

            MD5

            af5481ad4bf46873bf0be8b694c48bab

            SHA1

            a902d986a100cf7eced9272db507ec9dbaaaa13b

            SHA256

            722f5139ac0f751c25e546cb8d8526d874b0328b83995e158d74642e624676ce

            SHA512

            660544ed73a36c8856767cfc7a949c28a407428163c1c5392601c2e0838489cc0aaeba73d1bf4604eceeab6c829c1430284f4928126010a46313aef920b9029a

          • memory/1048-169-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1048-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1048-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1048-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1048-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1048-133-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1048-194-0x0000000000940000-0x00000000019FA000-memory.dmp

            Filesize

            16.7MB

          • memory/1112-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2196-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2196-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2196-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2196-62-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2196-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2196-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2196-50-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2196-41-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2196-40-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2204-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-25-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-51-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2204-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-70-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-71-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-72-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-73-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-74-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2204-88-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-90-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-61-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2204-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2204-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-156-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2204-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2476-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2476-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2476-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2476-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2476-231-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB