Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 01:26

General

  • Target

    420d1325486da657a7179f6ec6fd7522a444b82bf5381d3837ad06f4462addddN.dll

  • Size

    120KB

  • MD5

    13a2ffb83b53ac74d0f814cc46654fd0

  • SHA1

    32ce5462ef6d57d7061992e974c27e3a213dbe7f

  • SHA256

    420d1325486da657a7179f6ec6fd7522a444b82bf5381d3837ad06f4462adddd

  • SHA512

    35e09d0b912bd87c1c4be8573af31302f29c242460e7e870138d61efdd891f7d0a3f5c36268944bd76b568da8a9bad480a39299eabf6612b3734817e4a480268

  • SSDEEP

    1536:kl6P4N51ykto3XvzGbUgXVthzcRDeKd1EGiziHIeuYNIfTkfipm:vdkQfzGYgXVthcKMStz82KIvpm

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 17 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:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\420d1325486da657a7179f6ec6fd7522a444b82bf5381d3837ad06f4462addddN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3016
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\420d1325486da657a7179f6ec6fd7522a444b82bf5381d3837ad06f4462addddN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2308
              • C:\Users\Admin\AppData\Local\Temp\f76d365.exe
                C:\Users\Admin\AppData\Local\Temp\f76d365.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:936
              • C:\Users\Admin\AppData\Local\Temp\f76d4dc.exe
                C:\Users\Admin\AppData\Local\Temp\f76d4dc.exe
                4⤵
                • Executes dropped EXE
                PID:2824
              • C:\Users\Admin\AppData\Local\Temp\f76eee1.exe
                C:\Users\Admin\AppData\Local\Temp\f76eee1.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:2600
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76d365.exe

            Filesize

            97KB

            MD5

            c1dd29b1f0965b2da4b31f581dedd7da

            SHA1

            4a677866dae2a0a4f2f3eac25e0bb5af44e6252e

            SHA256

            fbab2e644d4e55099da77d3d9afc40d1a740c50cb44b2e3dd41bf03365c197cc

            SHA512

            fe09e8b99ebd4b6fc69af6d2644fb0d36c9fdc160139679d037a1d493819283022ddcb3b42f39c4f1b89c766aa741bc120086ec2b8dd594afbca77274e38bcbb

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b736f798e18434c450a663964c011fe1

            SHA1

            b3a7f8fb74c33c1c71bf906f31ecc05e1657758d

            SHA256

            1b13235f8e43388a21aa3cd8f02fd7d49f58d6c8372d2e2f58313b49d6c2ffff

            SHA512

            884f509974b2fee80b453bfc7bd3330713708f1a06bbb9ae40f5395f4dbff0906da6feaee9eaae18380d088c0647a8d3b5f80c2e3f4f6fe4de04aba05ca61a72

          • memory/936-63-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-16-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/936-12-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-15-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-14-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-108-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-157-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-49-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/936-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/936-64-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-87-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-85-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-46-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/936-83-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-48-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/936-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-107-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-81-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/936-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-61-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-62-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-69-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/936-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/1108-28-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2308-10-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2308-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-78-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2308-45-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2308-56-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2308-58-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2308-59-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2308-215-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2308-36-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2308-37-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2600-213-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2600-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2600-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2600-135-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2600-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-178-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-125-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2824-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2824-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2824-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2824-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2824-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB