Analysis

  • max time kernel
    79s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 17:35

General

  • Target

    1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll

  • Size

    120KB

  • MD5

    d5a5029261e40a0ceedb4d4cad527d2b

  • SHA1

    fab2828101d8a44522e57067dbbebfb790c3e2b4

  • SHA256

    1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa

  • SHA512

    6417cff87e8a4d08e606d2c3c6c8a8ec3342894e1943efb2120ca114769043264f53ef93556add64dcf5d5a3b14344b7b7e42c82d0c5b3730adf55b41f212e45

  • SSDEEP

    3072:Ni6L31YpRa/PqELuEfGi2vgb/mbMcy75KoW:Niu31YyPFuipqbMxvW

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 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2196
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cac9505d02aa81312fe58b235015454673e32400bec939330fc2e764d2ff2aa.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2656
              • C:\Users\Admin\AppData\Local\Temp\f76e87b.exe
                C:\Users\Admin\AppData\Local\Temp\f76e87b.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:2764
              • C:\Users\Admin\AppData\Local\Temp\f76ea6e.exe
                C:\Users\Admin\AppData\Local\Temp\f76ea6e.exe
                4⤵
                • Executes dropped EXE
                PID:2028
              • C:\Users\Admin\AppData\Local\Temp\f770732.exe
                C:\Users\Admin\AppData\Local\Temp\f770732.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:2152
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1568

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76e87b.exe

            Filesize

            97KB

            MD5

            46a4ae75fdf4c70005bbe2fb3fdcc4ec

            SHA1

            3a5e7cf393d3fdaa48aa49909246551f83ef8ef0

            SHA256

            c11df09c0f072b8d961a4cd77af6af892836a03d6a27dfc5a406e122e53c50db

            SHA512

            fd0f2d224cea7400b7984b4cfbee7bff85b2b982ef60d111f72d4324276141e7c6ecf9d8e56a4afc88262b1990cb1f6b08342399797057dec9939833a2a70c84

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            54c79afa7efcebec8b121703fc34296b

            SHA1

            db45f6e3157dd0f574b154c8ed9e2a8b47f67bd8

            SHA256

            d49647f510ea0d497e930a37d62845415705f166dee891aaeed6b503ca75b31b

            SHA512

            08c9180a175169bd84bc5be132e7d6eb27da0569910d533ad35ecc9257d4fe6ee691a7c9cdbcc6dc34961d3f708d0e2b60537931f9ac9ac0c590c4e3e72330fb

          • memory/1120-32-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2028-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-113-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2028-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2028-66-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-139-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2152-109-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2152-90-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-110-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2152-219-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-220-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2152-175-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-62-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2656-41-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2656-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-63-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2656-42-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/2656-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-12-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2656-13-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2656-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-51-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/2656-64-0x00000000008B0000-0x00000000008C2000-memory.dmp

            Filesize

            72KB

          • memory/2656-84-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2656-88-0x0000000000110000-0x0000000000112000-memory.dmp

            Filesize

            8KB

          • memory/2656-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2764-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-69-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-70-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-68-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-71-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-73-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-74-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-75-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-76-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-89-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2764-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-92-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-94-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-23-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-52-0x0000000001860000-0x0000000001861000-memory.dmp

            Filesize

            4KB

          • memory/2764-54-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2764-57-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2764-26-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-25-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-163-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-24-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB