Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 22:55

General

  • Target

    6eb0923b633d484a45553c2ca3f13287dd5b0d81e12f5291d6b4f2a5cbb97247N.dll

  • Size

    120KB

  • MD5

    85fdf4527f7724b32b5e83688a74d300

  • SHA1

    42d9a3d3e2704185f2fbfac2c19914b88841b931

  • SHA256

    6eb0923b633d484a45553c2ca3f13287dd5b0d81e12f5291d6b4f2a5cbb97247

  • SHA512

    b36b28835751f6dc25a96d1506c75d3d4a332789e76c6aad395f9314ffaef04f30f4ada75f979c31e715b9c57c52e71f957e506dbc79cf719dea9c80089534fd

  • SSDEEP

    1536:CuYTeVUU5qIhSBNt8xXyVxw6aGM+XTyNEDNTbiJ/oErnfJBNj/8JW6RoLeJR:CuuAHINaNyVm6g+Xo+VbiloErnBT6iY

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 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eb0923b633d484a45553c2ca3f13287dd5b0d81e12f5291d6b4f2a5cbb97247N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1924
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eb0923b633d484a45553c2ca3f13287dd5b0d81e12f5291d6b4f2a5cbb97247N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2428
              • C:\Users\Admin\AppData\Local\Temp\f76b04c.exe
                C:\Users\Admin\AppData\Local\Temp\f76b04c.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:2712
              • C:\Users\Admin\AppData\Local\Temp\f76b1f1.exe
                C:\Users\Admin\AppData\Local\Temp\f76b1f1.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:2788
              • C:\Users\Admin\AppData\Local\Temp\f76cc15.exe
                C:\Users\Admin\AppData\Local\Temp\f76cc15.exe
                4⤵
                • Executes dropped EXE
                PID:2012
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1288

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f2c71a0fb2b47ab4c110b33839626fd6

            SHA1

            e52738ae6af0d66eb59124cc600547d389f77f7d

            SHA256

            84a6cb829bc56554d8c4aafbd303131d3eeead678667388323dfdcc75ea18dae

            SHA512

            06f83a3182f53e0d450a2621b0c4bbd5efd67821cee32b7157c85c4bdfaedfd26cb084fe0fcfc0f446e7e57bab5033063d23d25f7386045e42b8525761377b5d

          • \Users\Admin\AppData\Local\Temp\f76b04c.exe

            Filesize

            97KB

            MD5

            54f6f1e6b4ef6ac77ee7aaaee7e0a08f

            SHA1

            5ec3de51d9d1cbdb3e427de3d2e241a57b775e52

            SHA256

            30d289180e8be0f35d27d91677bee7edb16cd9f5c0431bc17269fa74e2d19cfc

            SHA512

            b1638ff1d9b7f1428dae3915432f28a8179468292b6a986c59536a85b82fe3fcd211a9ac5d12f78eb132cd2ceb4ae989feb013b36bbd1f4f7bc8b0a9a9955a85

          • memory/1120-28-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2012-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2012-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2012-111-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2012-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2012-141-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2428-47-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2428-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2428-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2428-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2428-54-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2428-84-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2428-9-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2428-82-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2428-4-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2428-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2428-60-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2428-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2712-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-88-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-48-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/2712-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-50-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2712-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-69-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-70-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-71-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2712-51-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2712-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-86-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-90-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-91-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-12-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-163-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2712-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-131-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2788-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2788-169-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2788-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2788-201-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2788-101-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB