Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 21:41

General

  • Target

    1eac8d333da2e2de916253b25078ecc0a79bf9819c9a0cca21ecf615c6c454a3N.dll

  • Size

    120KB

  • MD5

    1d356ab5d729bec47351320b6661ad00

  • SHA1

    cf50311985d4ab03a4da5dd626d35f7a283ee6e0

  • SHA256

    1eac8d333da2e2de916253b25078ecc0a79bf9819c9a0cca21ecf615c6c454a3

  • SHA512

    b92a6b0d2d238b2b6917d358b74af412e658f35002bbb7d9b656abf9e7e87b0d97675d4acbbe8fd962c75df5de4a39312f1208464f6bba3c536d35c2bde3b55e

  • SSDEEP

    3072:jN8B9Ml2INlodf2315yhDnGEUGujAXP8WEKP0X5J:z2INOdfgyhDnGdGujHfF5

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 16 IoCs

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

  • UPX packed file 23 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:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1eac8d333da2e2de916253b25078ecc0a79bf9819c9a0cca21ecf615c6c454a3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2416
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1eac8d333da2e2de916253b25078ecc0a79bf9819c9a0cca21ecf615c6c454a3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2600
              • C:\Users\Admin\AppData\Local\Temp\f769379.exe
                C:\Users\Admin\AppData\Local\Temp\f769379.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:2368
              • C:\Users\Admin\AppData\Local\Temp\f76954d.exe
                C:\Users\Admin\AppData\Local\Temp\f76954d.exe
                4⤵
                • Executes dropped EXE
                PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f76af33.exe
                C:\Users\Admin\AppData\Local\Temp\f76af33.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:2752
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769379.exe

            Filesize

            97KB

            MD5

            d848538bad39dd0e122eab77631f4f50

            SHA1

            0974f6b194dd8278eadbd1b63774014e8f431839

            SHA256

            475665f7ca6ad17900874f19de9e04702e85a95c3366f0bdfb0a9a4aff62db72

            SHA512

            d40d9635f0f6c799fbdbc481538f6d2bb5411969f24d575b263957c330c158f5ef2952b0db64ca64d32dce206e3c5846f357c648bf9bb16c24989063bbe76d65

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            dc788391ad12c10707614e834bc7961b

            SHA1

            517092a95bf1771819052222278bc7e96814228b

            SHA256

            f2c16a3c4a36fa0739ee3bd7d59f778c99986b241d779e3a4c8c30ed97129623

            SHA512

            0946b8339933e25ce44dc3ab858a339c5117ac027c4d78f7916eefc1a0b7116d291355a007189b55edfc8305dc53fcfb981218cc39e565ec7618e044fa28bd9d

          • memory/1096-26-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2368-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-84-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2368-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-160-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-90-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-87-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-58-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2368-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-72-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-54-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2368-71-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-45-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2368-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-44-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2600-53-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2600-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-57-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2600-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-35-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2600-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-34-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2600-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-111-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2752-112-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2752-181-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-212-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-102-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2944-136-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2944-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB