Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 03:36

General

  • Target

    ed4639d11e94e1e5933123e72eda02f90dd170c24bec6357e5091a9b3023f022.dll

  • Size

    120KB

  • MD5

    1aa36431d4095ee82e897e958eb09cbe

  • SHA1

    c441807396920bcf3f7eb56632c98e3c3984d57d

  • SHA256

    ed4639d11e94e1e5933123e72eda02f90dd170c24bec6357e5091a9b3023f022

  • SHA512

    43a5ff841e1f6eb889489cab22272d2b100e8a20108dbafab06158ef8fab72a45bbd64da941bf6b13f94f67113303f4a0bac79d5b42b86f0b0b64f433198c90d

  • SSDEEP

    3072:N7g5I9+IY85PCN1n0l8OfElzsjojNM9VLFDMGD:lge9ilT0l9fEeUjNIVL2

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 29 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 7 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:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1212
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1256
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed4639d11e94e1e5933123e72eda02f90dd170c24bec6357e5091a9b3023f022.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2056
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed4639d11e94e1e5933123e72eda02f90dd170c24bec6357e5091a9b3023f022.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2120
              • C:\Users\Admin\AppData\Local\Temp\f7659a4.exe
                C:\Users\Admin\AppData\Local\Temp\f7659a4.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:2248
              • C:\Users\Admin\AppData\Local\Temp\f7662d8.exe
                C:\Users\Admin\AppData\Local\Temp\f7662d8.exe
                4⤵
                • Executes dropped EXE
                PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f767475.exe
                C:\Users\Admin\AppData\Local\Temp\f767475.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:2968
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2036

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e0d336f7dd8567019460ead7c771f1ef

            SHA1

            c9a596a35246c195ad446bee603de028413546ff

            SHA256

            45e67832eefd93cf69d7f7c10060d2d9eb4583de5722807732824d97c29acbc2

            SHA512

            5239ea9ad133cb296802e6e57941220c8cbd0ea48ca4ed6e350a922da0c9cd59eaf08480ff95ae31f512b08122c7fec75fb2fbb7add975a9d9f10128bb9adff5

          • \Users\Admin\AppData\Local\Temp\f7659a4.exe

            Filesize

            97KB

            MD5

            3afed58391d4fea850133a93c70996e5

            SHA1

            839b3cd416e9b15d73fb1edf79f3eb72216f26bb

            SHA256

            a337fdb93bf8c46679eda8f566c716b69a1cc855d0fcc6c58fe5333d6f48bf5d

            SHA512

            50f1b27cda4e35f4ad9c535aa7b79e51ed3c0d9c43907051ea79ec734004bbba7e8b7e7a7500ee19b0fd7f2947d2d6e1d65141b4bc5752c0c443dae8068f39a4

          • memory/1128-17-0x0000000001B00000-0x0000000001B02000-memory.dmp

            Filesize

            8KB

          • memory/2120-78-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-74-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-40-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2120-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-72-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2120-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2120-50-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-31-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2120-39-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2120-32-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2248-60-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-76-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-38-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-25-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2248-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-53-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-59-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2248-57-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-62-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2248-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-138-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-13-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-30-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-80-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-82-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-83-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-84-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-89-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-137-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2248-108-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-99-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2840-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2968-106-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2968-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-142-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2968-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2968-156-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB