Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 05:00

General

  • Target

    cb370f9859087a218ad0325120e8a7bf4fbc178041a0b84f2ea34ea92ef7fda0.dll

  • Size

    120KB

  • MD5

    035358a6066e22b842f07e71f9f78467

  • SHA1

    a0b764758534a4040de67a990603c55f1c13fc44

  • SHA256

    cb370f9859087a218ad0325120e8a7bf4fbc178041a0b84f2ea34ea92ef7fda0

  • SHA512

    5eab041dca35ba014b003c113495ad7c0bd971f48535e4d44bcfd11ddc791131027b7ca0930f2240484696ec49ebaa4cec89374263ad8130175cc1f7241fec1c

  • SSDEEP

    1536:oumhzdYs6OaIdVToI5l4OfA5ErhL8r6fRPFt1UAd/HZaBPNlAzxc0oK7ZzqDJxoZ:otNaIduO45Elm6fj9ClASAFu0Z

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 25 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 46 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:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1224
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb370f9859087a218ad0325120e8a7bf4fbc178041a0b84f2ea34ea92ef7fda0.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:812
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb370f9859087a218ad0325120e8a7bf4fbc178041a0b84f2ea34ea92ef7fda0.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2380
              • C:\Users\Admin\AppData\Local\Temp\f7696e3.exe
                C:\Users\Admin\AppData\Local\Temp\f7696e3.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:1680
              • C:\Users\Admin\AppData\Local\Temp\f7698a7.exe
                C:\Users\Admin\AppData\Local\Temp\f7698a7.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\f76b50d.exe
                C:\Users\Admin\AppData\Local\Temp\f76b50d.exe
                4⤵
                • Executes dropped EXE
                PID:1044
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:328

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1258d1867e9ed426019ca409b3911697

            SHA1

            83ca3de3d65a0de6a2ef56560a4c6ce42b3a62bb

            SHA256

            c3b7091adbe7676db00734ed21fdfb8fbf1e7f299373d0fd168d6651d62499d8

            SHA512

            a8fb729a506623a059eb76dbe624a2c4b01a20d57f7ef243d6927cfdcb6c74d4423944a49f17514cb49f8745c1166bd7c20d19380b9fe8b9b0b9bf0415be573a

          • \Users\Admin\AppData\Local\Temp\f7696e3.exe

            Filesize

            97KB

            MD5

            fb59f77b551665ba08d7daa1e7977acd

            SHA1

            2dc7df1b6815ae64b4593dff25e7310519b3c908

            SHA256

            e015e28f4ba52bc9e146806476573cb3334cab1b9614146c274cb1ab0b557432

            SHA512

            198e3d25363a786fc17aae6292ac4ef79085eff7416ced7622a2e9c1bdf9a203802a6b4a5afe6f595590103637fe70f12688322346993a1fcfec32163c1fb7ce

          • memory/1044-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1044-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1044-108-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1044-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1100-29-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1680-87-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-88-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-50-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1680-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1680-153-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-58-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1680-12-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-48-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/1680-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-71-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-62-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1680-70-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2380-9-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2380-60-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2380-37-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2380-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-83-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2380-10-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2380-59-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2380-38-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2380-47-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2380-57-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2944-98-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2944-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2944-167-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-195-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB