Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 21:43

General

  • Target

    43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll

  • Size

    120KB

  • MD5

    2856c5e1ab8437293308367e4b884800

  • SHA1

    c011369b62d390acb59ac7fb1d08711b6d33e853

  • SHA256

    43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef

  • SHA512

    a3ac512a237fc4496451a53e979396121a9fdc61ad736410f25f9c456b7d8b5dead22f98dadaa6e7c3c7377bb72760d7656613010c9ac20afd8f2b2320d4023b

  • SSDEEP

    3072:GvFsoe/Xi7DkK2ZJaV+DBYOczGQJFjvKMPg/Ir:Gdsoe/icJxBY3hJZy+vr

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 12 IoCs

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

  • UPX packed file 26 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:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2372
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b9aa4e1f094ee15e45fea246775eb1af2344bdae6b5abf714bc94cc9d4eeef.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2244
              • C:\Users\Admin\AppData\Local\Temp\f76ce47.exe
                C:\Users\Admin\AppData\Local\Temp\f76ce47.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:3004
              • C:\Users\Admin\AppData\Local\Temp\f76d29b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d29b.exe
                4⤵
                • Executes dropped EXE
                PID:2872
              • C:\Users\Admin\AppData\Local\Temp\f76ea20.exe
                C:\Users\Admin\AppData\Local\Temp\f76ea20.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:2648
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2036

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76ce47.exe

            Filesize

            97KB

            MD5

            80b0d26afe33aaf26334d6b557ad5c6d

            SHA1

            7dc12b0586c7b8ba95aa24aec520034401d9b05f

            SHA256

            f063a2749b976bc0aa04d1abc53a1cf3fc4c1397aa76257f26f32e3d25fb7efc

            SHA512

            dbd98bb6fe174445ab3db0a280e12a094b4b2594acbd2bcd6b2333ff694d589b2ef6088e7a193a8e298b0ae35cb9506568f5547a5497df83b06f490075326349

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            da559bbf8bdccf14450f90b3413f519b

            SHA1

            cb0617e70084e3dcc7219f9dd93ba097df95fc00

            SHA256

            167425f720f25a4122fb30e556aa25506f1fb909b375f8a6d7f401b94665cff7

            SHA512

            d130dfdf3b17b3cdb6d2c9879ccd40b9ac745e14cf522071a1f1767895a2af7e86a312353041eacf67e1f1bf518516e7081f6962a2f889240cf979ce9bd7ed38

          • memory/1108-28-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/2244-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2244-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2244-7-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-36-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2244-37-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2244-57-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2244-74-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2244-39-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2244-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2648-165-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2648-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-166-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-202-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-93-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2872-92-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2872-91-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2872-120-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2872-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-61-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-77-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/3004-60-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-46-0x0000000001830000-0x0000000001831000-memory.dmp

            Filesize

            4KB

          • memory/3004-80-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-81-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-82-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-49-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/3004-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-62-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-102-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-104-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-106-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-107-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-147-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-13-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB