Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 17:47

General

  • Target

    36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf.dll

  • Size

    120KB

  • MD5

    afcc637b8deea850f9dff9af3b792b0d

  • SHA1

    9a95e9a7eeec1bd7b54b978525ee855d29197e8f

  • SHA256

    36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf

  • SHA512

    ece2edf926430f4504519957490830702f40abcfc06523d204a0a136ab37a9171c1ff1ec3d39f3a708f14cb1170bab7e21f3dc132017f96528f4d4f90dfb59f0

  • SSDEEP

    3072:TDGP7+7YeTWfnLG+rEuwKAmudVwDDegbmD1w8V:TDGHeTwLncNdVdDO8V

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 22 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1068
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2372
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2804
              • C:\Users\Admin\AppData\Local\Temp\f7646c0.exe
                C:\Users\Admin\AppData\Local\Temp\f7646c0.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:2892
              • C:\Users\Admin\AppData\Local\Temp\f7648a4.exe
                C:\Users\Admin\AppData\Local\Temp\f7648a4.exe
                4⤵
                • Executes dropped EXE
                PID:2488
              • C:\Users\Admin\AppData\Local\Temp\f76626b.exe
                C:\Users\Admin\AppData\Local\Temp\f76626b.exe
                4⤵
                • Executes dropped EXE
                PID:2100
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1192

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7646c0.exe

            Filesize

            97KB

            MD5

            f0f464ff41b8a407163ff4abff2074b4

            SHA1

            4464331f744c837654feabda8fdc8efd095c38d5

            SHA256

            38aab24416f12360022175eeaca2d4bb5e9f97fdd70126f97cd3c1a20fb655c7

            SHA512

            8bef55808611938de869aa7ba8cc69426780b3a8a57688454756c742b1aa714082f3c4c0821f2a9ded25bbecf995d84efa4fd2b48d68f4e935336eabe00927a4

          • memory/1068-26-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2100-164-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2100-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2100-111-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2100-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2100-109-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2488-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2488-160-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2488-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2488-165-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2804-34-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2804-44-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2804-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2804-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-77-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-56-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2804-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2804-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2804-75-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2804-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2804-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2892-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-66-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-67-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-69-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-68-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-71-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-72-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-65-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-24-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-88-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-89-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-90-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-23-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-22-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-25-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-58-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2892-60-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2892-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-154-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-43-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2892-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB