Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 05:59

General

  • Target

    723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdcN.dll

  • Size

    120KB

  • MD5

    f525dc337f911206a1d62ae4475c67d0

  • SHA1

    a6e13b68a025410221f4fa39a9781dd3d4f76ea4

  • SHA256

    723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdc

  • SHA512

    fcaba207ebb2421bbf395ce75101e0551f82018288ebcc07adcb3595e712bd228224d4ea7b556616dd963cb5d795691274e47e3e1ab0af7e6dcfe4f47463033a

  • SSDEEP

    3072:uBofxvDEaFOTQ2rAvs2UuVHKWy9yRC8gKIsA8RuO:uCJvrFKQF7r7y9ttKIsUO

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 17 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 23 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdcN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1732
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\723e17231fdef21339d97c9c86346ab1bd1b141bbedff19d208e27452e80efdcN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1996
              • C:\Users\Admin\AppData\Local\Temp\f76a248.exe
                C:\Users\Admin\AppData\Local\Temp\f76a248.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:2008
              • C:\Users\Admin\AppData\Local\Temp\f76a3ce.exe
                C:\Users\Admin\AppData\Local\Temp\f76a3ce.exe
                4⤵
                • Executes dropped EXE
                PID:2832
              • C:\Users\Admin\AppData\Local\Temp\f76be21.exe
                C:\Users\Admin\AppData\Local\Temp\f76be21.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:2632
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2f9951fd847ad09e3845b42d92b5c2fd

            SHA1

            26153eafea2a8a0ac30531e5589176f8dc61d364

            SHA256

            6f5bc98a42a538ee20e881c9ca0d1393f12679985d4f0504575a4670dbe5d9d9

            SHA512

            c6edf5e25014be20d13d223c0a7e967c302aa5fa01f06ae3e940d84ac0bb3e64076692342fef2723ab5bf6b1b7ae62eebd42c8b3cbb8ce1931f7bbcd2dd87cb5

          • \Users\Admin\AppData\Local\Temp\f76a248.exe

            Filesize

            97KB

            MD5

            e3a4df8f492c2ae1a24f3feef63c3aff

            SHA1

            2d2fb1c9e8568ef162d7c9a21343eb90fa705555

            SHA256

            2d4b6e638b50279afef63fd5d0e9bfba494ca3ace0ca9075b9f95cbebe5223d3

            SHA512

            fa53e56d1e2a194a1bfc323116c0bdc44877d12e5862c8cd25703baecde85ea6b84d89447669253ccaa21637106ec5f0a27764e1e4821335ef2f351ea32201ca

          • memory/1104-26-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1996-83-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/1996-5-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1996-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1996-79-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1996-59-0x0000000000430000-0x0000000000442000-memory.dmp

            Filesize

            72KB

          • memory/1996-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1996-33-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1996-34-0x0000000000420000-0x0000000000421000-memory.dmp

            Filesize

            4KB

          • memory/1996-42-0x0000000000420000-0x0000000000421000-memory.dmp

            Filesize

            4KB

          • memory/1996-60-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/1996-57-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2008-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2008-25-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-24-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-44-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2008-50-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2008-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-109-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-58-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2008-77-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2008-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-86-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-88-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-91-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2008-159-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-111-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2632-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2632-129-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-108-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2832-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2832-99-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2832-137-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2832-107-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2832-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB