Analysis

  • max time kernel
    25s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 22:13

General

  • Target

    4b74530b9ba525ef08e929979fe655e83c15ebedc0761b95c1d4c15078e0172e.dll

  • Size

    120KB

  • MD5

    5e07f7afa123c6d69ae5527b04e69cc8

  • SHA1

    e494737bc0e6457ac041c46c2b9aa5572b47bf62

  • SHA256

    4b74530b9ba525ef08e929979fe655e83c15ebedc0761b95c1d4c15078e0172e

  • SHA512

    6450e09e9d04eedba3caab688e43738a7f96576e18b3b588b91a30fe963ca2dbbdbd38dea11df77294a5d6e3912bf38d8525bcfa48e9f57fd06aff2c83be314a

  • SSDEEP

    3072:b5TZl2TBABZuvmR+JNsymi0xfqdwYpZlPKlzXtpAzNOotiMSSs6:11lZBMvtJ7oxf2t5Kt9pAzQ1MSSs

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 14 IoCs

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

  • UPX packed file 25 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b74530b9ba525ef08e929979fe655e83c15ebedc0761b95c1d4c15078e0172e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1528
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b74530b9ba525ef08e929979fe655e83c15ebedc0761b95c1d4c15078e0172e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2376
              • C:\Users\Admin\AppData\Local\Temp\f7688cf.exe
                C:\Users\Admin\AppData\Local\Temp\f7688cf.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:2572
              • C:\Users\Admin\AppData\Local\Temp\f768bac.exe
                C:\Users\Admin\AppData\Local\Temp\f768bac.exe
                4⤵
                • Executes dropped EXE
                PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f76a45a.exe
                C:\Users\Admin\AppData\Local\Temp\f76a45a.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:2896
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:844

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            94c3f4410ead0c01518b8ec676cdbddc

            SHA1

            d85d1eb0218fc5b37ddbb1a6ff8c0e31912ae427

            SHA256

            d839c99f18cb167d09965a0da7b011b5ac6883356c7f252d216e71cd61430f96

            SHA512

            876755bfeeb31b9046eff76ba743d725a0ee50bca2395f9050feb90ae8498371d8c7611dafe12b26da9ac06bba9a06e8ee81a1d263ce6160822cf5b385714051

          • \Users\Admin\AppData\Local\Temp\f7688cf.exe

            Filesize

            97KB

            MD5

            a09d0ba589d1449401ab5c5ccd6444b5

            SHA1

            912bb5415ae96df2098ee7a91e97b446955bed23

            SHA256

            b70dea45044f2ffd31d8a880b551202948de6d831a457ccb75e03d8613da1fed

            SHA512

            aaeaf8867773bdeacfd0173b60e021545b86c710d85d6d484cec1dde3bdf86cafe8b5ffc29f1cd026ee2b16e0c8e719bf99713939ae5726a57cd570f6ded4fb0

          • memory/1108-28-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2376-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2376-34-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2376-35-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2376-36-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2376-43-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2376-52-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2376-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-63-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-53-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2572-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-44-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2572-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-42-0x0000000003C20000-0x0000000003C21000-memory.dmp

            Filesize

            4KB

          • memory/2572-14-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-13-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-57-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-58-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-59-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-60-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-61-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-76-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-77-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-80-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-81-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-145-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-105-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-98-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2840-92-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2840-99-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2840-121-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2840-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-100-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2896-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2896-162-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2896-161-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-197-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB