Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 04:31

General

  • Target

    26f4d49733c8583ccb0f5c598973e890N.dll

  • Size

    120KB

  • MD5

    26f4d49733c8583ccb0f5c598973e890

  • SHA1

    4536fbe71bcaacae93b70e7b2d6d897600d4daf1

  • SHA256

    26f1f892bb9e929c5212a61e3cda12658e23431c65bc4eb0173984ad7d616fc3

  • SHA512

    7c71495860f082fe3e6817b65f7e67ac664ee9e2b086ea8bdbd652a0db22581d1f5b5038a7d7cfa4e1ae4b2ad577c73cbf49ab05a139960cb67a2735712c9073

  • SSDEEP

    1536:XUDz/ILTRIkb9FJKdZRdvp0rRWdzCvNw4EE2u5csquwmBg3WB6CAeKxiz7ogg2Px:XMj4WkpFJKxdvSrR4Hqhcs/B6CATYfW

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\26f4d49733c8583ccb0f5c598973e890N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2112
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\26f4d49733c8583ccb0f5c598973e890N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2120
              • C:\Users\Admin\AppData\Local\Temp\f76c6c8.exe
                C:\Users\Admin\AppData\Local\Temp\f76c6c8.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:2308
              • C:\Users\Admin\AppData\Local\Temp\f76c85e.exe
                C:\Users\Admin\AppData\Local\Temp\f76c85e.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:2776
              • C:\Users\Admin\AppData\Local\Temp\f76e282.exe
                C:\Users\Admin\AppData\Local\Temp\f76e282.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
                • System policy modification
                PID:2660
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1108

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76c6c8.exe

            Filesize

            97KB

            MD5

            d06fe1fc027af3ed430ffd898c24ff74

            SHA1

            ca64a6e852704bebd14c0274364b34f7c7350b1d

            SHA256

            2fa0a48ab41f854b24e4116d6dcbfa416c1d6d3ebe14ab84777ef4473800482e

            SHA512

            aa01f1a2deee417eed8ec6e75dc6460477acc961944f5fbb1221068d2ea8cd07ae529728a819905d93614d1deb5841169c87d3adca18fd501cc5c4fadac857de

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            5a8999c7878e726cb300635ded68375a

            SHA1

            9664e3e1619df4e49d9df028b796ed69bed8e0cb

            SHA256

            dc42320749cca685d81f8952baf8f0c40d403b719a6dfd9a00612eb25488d377

            SHA512

            d72c6ab113ecfebe7bed33783a316e1ef63e77d3079dd1a5b606549d3f2b4e67af41b1f8c980a6074545907deaa6f189fdc31f52da4dd77d8cc65e8132a0dde6

          • memory/1112-27-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2120-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2120-73-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2120-76-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2120-51-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2120-8-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2120-54-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2120-55-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2120-34-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2120-35-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2120-36-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2308-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-78-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-13-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-154-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-44-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2308-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2308-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-59-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-58-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-52-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2308-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2308-82-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2308-83-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-85-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2308-107-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2308-105-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-100-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2660-102-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2660-217-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-104-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2660-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-133-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2776-132-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2776-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2776-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2776-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-192-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2776-218-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB