Analysis

  • max time kernel
    83s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 05:59

General

  • Target

    bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803N.dll

  • Size

    120KB

  • MD5

    50d48d39fe31d837a8e88c48d4403530

  • SHA1

    cd37f9462f7ccf4f2a77e2d137fbaf4c87bbf8cb

  • SHA256

    bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803

  • SHA512

    6b68f3800e380dec86ce869ccbcca2195f930a23257d19777bcc4986b50fca301905d3576d127ed059610d99b1f9073d021e8780f490f2c8ab638f1c4ed2a3d0

  • SSDEEP

    3072:7OrkZbQYxeiRgcN9fMQ473TvijHaISQcR:7sKeegrQ47+eHF

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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2400
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf5f997310b0ac02f5b3ebfe3e6b5a399244a61979183a7355cbda9b8efb9803N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Users\Admin\AppData\Local\Temp\f770faa.exe
                C:\Users\Admin\AppData\Local\Temp\f770faa.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:1524
              • C:\Users\Admin\AppData\Local\Temp\f771111.exe
                C:\Users\Admin\AppData\Local\Temp\f771111.exe
                4⤵
                • Executes dropped EXE
                PID:2644
              • C:\Users\Admin\AppData\Local\Temp\f772b35.exe
                C:\Users\Admin\AppData\Local\Temp\f772b35.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:3044
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3a15758abc1d1279ea03e0955cb4da19

            SHA1

            b13def21afd95aeea3e470ecf4107ad5989197c6

            SHA256

            1b3f6b6720a380ea805a91f87fd0a20aa22641d2d686d4da888183eda5bc9240

            SHA512

            3405f79b5cb97608a5a2307acd3245ea49a1a53d047eab47b9f5f40f45d9edf39419f2d03edbbfc62bb02c87361dc053d7d776e22b2d2d576c273904dea8a450

          • \Users\Admin\AppData\Local\Temp\f770faa.exe

            Filesize

            97KB

            MD5

            ec37218910f8d5d163bd679029db6284

            SHA1

            4fe466c5948524e00e2bf72d613956b1faac54ad

            SHA256

            766308a46163c64614eaf93b85969cb59e9b1e299d3fe6e58c11679d4a95dbb4

            SHA512

            ebe2a73487f11981a6502da9db02e26c3043f0732f891e8dcf92dc103f5a0c579e1e53a8047fc61bf2dccfbeec4041740b49ec152c41b8e9b8a55bc46fef0ce2

          • memory/1112-25-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/1524-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-12-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-46-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/1524-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-48-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1524-158-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-110-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-87-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1524-83-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-82-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1524-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1524-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-49-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/1524-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-61-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-62-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/1524-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2396-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-32-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-78-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-77-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2396-81-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2396-33-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2396-56-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2396-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-217-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2396-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2396-45-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2644-99-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2644-98-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2644-132-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2644-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-104-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3044-106-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/3044-176-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3044-175-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-215-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/3044-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB