Analysis

  • max time kernel
    68s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 09:46

General

  • Target

    985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86N.dll

  • Size

    120KB

  • MD5

    79e2cd9244974182d1b2d1e8a06b3660

  • SHA1

    d384d2bc0a36513c0f66aa3d1e61a7448e259db2

  • SHA256

    985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86

  • SHA512

    d8042dc1503c834b5f8f3c75993136aac53345ab5b37f71fb900d27b28b3ec96f858dc2af9868825f760b0d18a8ef0afdaae0e5d78a21c5547f391205e8dae90

  • SSDEEP

    3072:RLuyL6Jn12tJB3ZaAs0R6Rc+1WDT0C/3l0Huj6Av7:RLuG6JeBpO0RJTF/10Hu+M

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 16 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3036
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\985b71fd79a11777d694c975b763fac7ecd6ec1c6cfbbddf4d5137dd8c986a86N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1020
              • C:\Users\Admin\AppData\Local\Temp\f767ff9.exe
                C:\Users\Admin\AppData\Local\Temp\f767ff9.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:3060
              • C:\Users\Admin\AppData\Local\Temp\f768160.exe
                C:\Users\Admin\AppData\Local\Temp\f768160.exe
                4⤵
                • Executes dropped EXE
                PID:2588
              • C:\Users\Admin\AppData\Local\Temp\f76a7f3.exe
                C:\Users\Admin\AppData\Local\Temp\f76a7f3.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:1868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            eeb1f5c8275ece9b80dc96ae29a9f7a0

            SHA1

            a2df699e4c63395ef634f1a26e088301f07b42bf

            SHA256

            1f7fd4b83613ebd41346f21c88c50e856f1db764e63f48083ed3561b600e9958

            SHA512

            2d9c1085f87c8046fd3dd37f5a4c012af0a98f053e40b8719dfdb3be8936ea67ef0ce9b7bba0c5915eb7164902e41462489defbc206de764e153899e61931971

          • \Users\Admin\AppData\Local\Temp\f767ff9.exe

            Filesize

            97KB

            MD5

            0e0765ae034e3bbda33776bf32ee8019

            SHA1

            cc27f1b05945b915184e9eb1f09c0f631857a642

            SHA256

            def8552d63042ccfc2fa57fa64008d5012b1a92ba63bebfb57d0642ef09798b9

            SHA512

            ba67bdc4214c02719a500c7c32ae82142b0645d38a5ee32b8ea50472d8f9e22a22947020037231808b1e13b3fa4a986a7f118cfeeff9315c881bc82e15e8da46

          • memory/1020-204-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1020-51-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/1020-39-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1020-69-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1020-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1020-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1020-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1020-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1020-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1020-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1020-31-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1020-29-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1020-28-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1020-40-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1020-52-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/1100-21-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1868-99-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1868-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-202-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-156-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-100-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1868-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2588-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2588-123-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2588-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3060-75-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/3060-37-0x00000000002F0000-0x00000000002F1000-memory.dmp

            Filesize

            4KB

          • memory/3060-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-71-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-61-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/3060-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-62-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/3060-50-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-103-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-104-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-107-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-109-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-49-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-55-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-145-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3060-54-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-38-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB