Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 07:03

General

  • Target

    703fa21d406b5e4382cc471163af2fe391a0b57f84ec1117824b2d999a256c16.dll

  • Size

    120KB

  • MD5

    32654fe2ae581a72e9aa91401c2aab82

  • SHA1

    253c854372ad84dc78e925659cb94a57adc8b1ed

  • SHA256

    703fa21d406b5e4382cc471163af2fe391a0b57f84ec1117824b2d999a256c16

  • SHA512

    dd9f8e2a4344607b6197fba025b1237c6e8f85b5e85656d810ff988a7dacec4003b7b98b44a4b28981668c56c06af79d075071a1ec4797a999cdb841bdd7eb62

  • SSDEEP

    3072:Ho+CyN4Xnld4YwjcNi+g4dzAm8Ws4Py7+14:7Cyanld4HGPJdznjDPy04

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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\703fa21d406b5e4382cc471163af2fe391a0b57f84ec1117824b2d999a256c16.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2036
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\703fa21d406b5e4382cc471163af2fe391a0b57f84ec1117824b2d999a256c16.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2440
              • C:\Users\Admin\AppData\Local\Temp\f76a86f.exe
                C:\Users\Admin\AppData\Local\Temp\f76a86f.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:3008
              • C:\Users\Admin\AppData\Local\Temp\f76adfb.exe
                C:\Users\Admin\AppData\Local\Temp\f76adfb.exe
                4⤵
                • Executes dropped EXE
                PID:2716
              • C:\Users\Admin\AppData\Local\Temp\f76c3eb.exe
                C:\Users\Admin\AppData\Local\Temp\f76c3eb.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:1868
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:464

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76a86f.exe

            Filesize

            97KB

            MD5

            9f6dc47fa19382690d19ed8a359696f1

            SHA1

            0a673df77cb1219e5372db041ddcf9fafe31328a

            SHA256

            bc2793599caa0e6703b7370c3508de4543ef98e7581be1ed55acd4731ab59148

            SHA512

            83c673802c192a7866faef2e077fa1b85bde25429a0efc9df48471bf0431617b0c24a03f11574c012dc83e5ab145ea86dad736439324724dc7a9a3a002b8c450

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a432e14a5a234b7864371c21ad9aaca5

            SHA1

            d5a95770c0bd8f0ae1bfeacf11c2ed6a20d530ac

            SHA256

            fb13c092527c7e9a6e21f1e2852ad28da799777b53c81efed29020da903f601a

            SHA512

            b1f8f4ce2962c30e6c3e0068d0e45404f7a51922df0b488751552fce46fd66b262e8e4a4c13bd2b5e0f2cd5411c40123499ca7b5207b49578c4e6b7a344c9ba7

          • memory/1100-31-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/1868-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1868-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1868-199-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1868-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1868-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1868-155-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2440-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2440-62-0x0000000000A10000-0x0000000000A22000-memory.dmp

            Filesize

            72KB

          • memory/2440-40-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2440-42-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2440-39-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2440-13-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2440-43-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2440-7-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2440-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2440-74-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2440-61-0x0000000000A10000-0x0000000000A22000-memory.dmp

            Filesize

            72KB

          • memory/2440-52-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2440-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2440-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2440-84-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2716-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2716-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2716-101-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2716-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3008-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-50-0x0000000002F50000-0x0000000002F51000-memory.dmp

            Filesize

            4KB

          • memory/3008-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-70-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-71-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-64-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-25-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-86-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-88-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-90-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-92-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-51-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/3008-53-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/3008-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-24-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-111-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-150-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-15-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB