Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 15:23

General

  • Target

    fd3b018c606d8b50ffbff36b103fe6fa25b822a9669061eef2f65d52d6880002N.dll

  • Size

    120KB

  • MD5

    d1471a76ba6f37944a94ada05571ca00

  • SHA1

    64ecd2ea624a43e91cc02a919ae2df22684ccee8

  • SHA256

    fd3b018c606d8b50ffbff36b103fe6fa25b822a9669061eef2f65d52d6880002

  • SHA512

    12969cca4d657fcf3bf9a655cd97ffdc5204abd509085e469de45ec8d920b3bcd711c721d02fed2e347d819535a9090e9690c29d8a4c16704a692d3bce54af7a

  • SSDEEP

    3072:U0ehl0bWAX22pbZUlqGdXlaYU8vOiUGM:z2l0bWAX22NelquaYjE

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 15 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1148
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd3b018c606d8b50ffbff36b103fe6fa25b822a9669061eef2f65d52d6880002N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1304
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd3b018c606d8b50ffbff36b103fe6fa25b822a9669061eef2f65d52d6880002N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1600
              • C:\Users\Admin\AppData\Local\Temp\f76b07b.exe
                C:\Users\Admin\AppData\Local\Temp\f76b07b.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:2340
              • C:\Users\Admin\AppData\Local\Temp\f76b220.exe
                C:\Users\Admin\AppData\Local\Temp\f76b220.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:2976
              • C:\Users\Admin\AppData\Local\Temp\f76cf50.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf50.exe
                4⤵
                • Executes dropped EXE
                PID:2532
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2008

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            dbcecc8a6189007b305498c9831ac677

            SHA1

            619d575bf6226f62c18c2885ed83415a3df70edb

            SHA256

            e8b636d4110dc3747727efa57c7f69b7d6f95970bf108a13df74b1d427536b12

            SHA512

            c913f47f0d01d14c2833d816f08c4586d7da308fdc744cc17c71f75bd406f135134cc8dbe32d078adb45f49f60f18de0b7c995cf4f1843291c647e2733032843

          • \Users\Admin\AppData\Local\Temp\f76b07b.exe

            Filesize

            97KB

            MD5

            119312925e063b250720a1b3b2ee8d89

            SHA1

            51548a0178a002950c2e9ba55f017fb69ddeab8b

            SHA256

            094e9819ab1b91a313c8916450d1025caf430196729871ea935c915473160974

            SHA512

            1f9e19fa694e140884ec7cb38d2dcdb6d57e207daf70f5dbfba4ccf1c189135ccb0c7e7e2a86dddfb47781d382c088d4ccb1eec7adeaaaa3fdd110941bfa70fc

          • memory/1100-32-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/1600-76-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1600-51-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1600-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1600-12-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1600-88-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1600-9-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1600-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1600-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1600-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1600-44-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1600-41-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1600-64-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1600-63-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/1600-54-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1600-42-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2340-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-75-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-52-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2340-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-55-0x00000000002F0000-0x00000000002F2000-memory.dmp

            Filesize

            8KB

          • memory/2340-26-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-24-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-25-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-72-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-73-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-74-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-50-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2340-23-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-92-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-162-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2532-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-89-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-107-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2532-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2532-138-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-137-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2976-102-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2976-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2976-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-179-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-197-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB