Analysis

  • max time kernel
    85s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 04:38

General

  • Target

    6a6e29a8f85e3a76c4cbef91ebc2fd1d80ebb70c16cb86bf86c144db38d65680.dll

  • Size

    120KB

  • MD5

    3d4dc18ecd26335b92ef78ba1ddf5e4f

  • SHA1

    b58f14d05a9e97077acea58faf74b8cd34294c8e

  • SHA256

    6a6e29a8f85e3a76c4cbef91ebc2fd1d80ebb70c16cb86bf86c144db38d65680

  • SHA512

    5dc13e5861f83ee70c3ec8a41de5a6be4ab54bc4a2ce1dd8e31c4081fbe4c75a1dad7b4a97a82c0adc14d46632e49fa82784ea51065c8e6ac44eb6b1232f15bf

  • SSDEEP

    3072:KCQAe5VA9gdWMFbrGNUwrDinS+MbsUQt1jt+djpH6/:KlAqA9M2NUwryfMbsUwZ+dF6/

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 14 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a6e29a8f85e3a76c4cbef91ebc2fd1d80ebb70c16cb86bf86c144db38d65680.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1636
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a6e29a8f85e3a76c4cbef91ebc2fd1d80ebb70c16cb86bf86c144db38d65680.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1736
              • C:\Users\Admin\AppData\Local\Temp\f76a026.exe
                C:\Users\Admin\AppData\Local\Temp\f76a026.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:2280
              • C:\Users\Admin\AppData\Local\Temp\f76a17d.exe
                C:\Users\Admin\AppData\Local\Temp\f76a17d.exe
                4⤵
                • Executes dropped EXE
                PID:2408
              • C:\Users\Admin\AppData\Local\Temp\f76c6a9.exe
                C:\Users\Admin\AppData\Local\Temp\f76c6a9.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:2504
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1728

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76a026.exe

            Filesize

            97KB

            MD5

            da69ca5fa5ad9154005a84eb1f37652e

            SHA1

            ff1f3a4c03725e9c4fec817b0b3d2e6e7cfd2843

            SHA256

            fd875d31dd683ddc87696d7a095524b859fc38e6782b5e5b9b2c1afb62555560

            SHA512

            d1cfa412e3a5993ad072537073a6a99a4420daa7bede1c087d159a901b2c4980768ab3519f831d11da22fd3b6cc9897136f39577c30522f8c7db76bc486453c7

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e0333c8b6ffee963b49588b67ed1431e

            SHA1

            d439852be11ae558830835f6f8b1af3c1b0b908d

            SHA256

            083ef8d256872d0a659b3af4ab18f26443f319953045d34a2733411f7c47b1ed

            SHA512

            4f23cd280ffc1ea08d93085d8a9b481fb5288d2b12c3b6cb6331ec7bcb16660210fc6c7139c52bfa5c9d5581fb7fed0b4c83b72dab950d7c7f0dca8ff0061d84

          • memory/1116-23-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1736-208-0x00000000007B0000-0x00000000007C2000-memory.dmp

            Filesize

            72KB

          • memory/1736-51-0x00000000003D0000-0x00000000003E2000-memory.dmp

            Filesize

            72KB

          • memory/1736-49-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1736-52-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1736-8-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/1736-78-0x00000000007B0000-0x00000000007C2000-memory.dmp

            Filesize

            72KB

          • memory/1736-40-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1736-32-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1736-31-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1736-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1736-77-0x00000000007B0000-0x00000000007C2000-memory.dmp

            Filesize

            72KB

          • memory/1736-67-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2280-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-13-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-41-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2280-59-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2280-60-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-61-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2280-62-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-105-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2280-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-143-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2280-142-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-111-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-108-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-106-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2280-104-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2408-115-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2408-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2408-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2408-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2408-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2408-93-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2504-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2504-149-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2504-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2504-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2504-159-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-207-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2504-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2504-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB