Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 06:52

General

  • Target

    be4758086b302ce76f93774cd4a1207a422f7573d9ff5acdbd3742b3250f9e0fN.dll

  • Size

    120KB

  • MD5

    e6046419ecfbcc2358d66df1f7240760

  • SHA1

    e518f354cf4559aa56ac2822f34af73540cf944d

  • SHA256

    be4758086b302ce76f93774cd4a1207a422f7573d9ff5acdbd3742b3250f9e0f

  • SHA512

    bda8fd37375225db54f978cfacb4ec3eb0be206ab7b9d19675b971c6f24e06056b8a6f51b6c44b14619e23816cc8b9ff3ef62381bc1cd3f349b12e8ed1fc7205

  • SSDEEP

    1536:KIwjKKWa2r6U1dVKpQ/uc/RHPX2z1l6EKcXMMsKEo+NrpOlaEcRIX2Z:KIwd2hJK+T/JPmzeEKc/sKsro1c2m

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 2 IoCs

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

  • UPX packed file 21 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\be4758086b302ce76f93774cd4a1207a422f7573d9ff5acdbd3742b3250f9e0fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2776
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\be4758086b302ce76f93774cd4a1207a422f7573d9ff5acdbd3742b3250f9e0fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f773505.exe
                C:\Users\Admin\AppData\Local\Temp\f773505.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:2876
              • C:\Users\Admin\AppData\Local\Temp\f773939.exe
                C:\Users\Admin\AppData\Local\Temp\f773939.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:2688
              • C:\Users\Admin\AppData\Local\Temp\f774d94.exe
                C:\Users\Admin\AppData\Local\Temp\f774d94.exe
                4⤵
                • Executes dropped EXE
                PID:2224
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            37c4d4024a269c3435ed80c9907ff813

            SHA1

            55722599d79ec0aecd18b03c59522ac1193c2420

            SHA256

            e5cc799d627d8c4bbef7a60f7a5cf1e12cf145bf8f5af0cd8bc5c8f021cba126

            SHA512

            465a7e9a6702e4bdc0bed765f88d9515d5e173b9524b2f794eaa6d4228ca2bd58e66fbe7496a240d831ffb44dfa982a9ed497fe155e459095daa15f723cdaec0

          • \Users\Admin\AppData\Local\Temp\f773505.exe

            Filesize

            97KB

            MD5

            53884a702b454d69e71dadac15d39ec5

            SHA1

            ff7f26ccb2cce63f0535a0a7e412aa5ea4ffd4b9

            SHA256

            28d9a58b0d600af2ee33739451fd22e0d03c72dc91dd162d5045079a2b09ee6d

            SHA512

            cb87b606597243c63ee46ed8ea2330f2873b676ac09afac1473e117f592ca746f71402d0760732b290103916334aa0c19d932d687d2a22dbef15b087cf7cc79d

          • memory/1092-28-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2224-173-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2224-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2224-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2224-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2688-67-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2688-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2688-169-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2688-168-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2688-145-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2688-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2688-95-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2840-38-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2840-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2840-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2840-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-80-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2840-42-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2840-39-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2840-11-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2840-65-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2840-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2840-64-0x0000000000490000-0x00000000004A2000-memory.dmp

            Filesize

            72KB

          • memory/2876-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-83-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2876-58-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2876-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-49-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2876-26-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-106-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-113-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-132-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2876-115-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2876-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB