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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/12/2024, 10:30

General

  • Target

    6f77e34ff80d41b1e0b3be005989ffc113050b7cc4278540cf630b9012b50b42.dll

  • Size

    120KB

  • MD5

    a53b8807a2100eb7d2534138d3a4b61b

  • SHA1

    fe75888d30ba62225436d7eb256a672d705e7547

  • SHA256

    6f77e34ff80d41b1e0b3be005989ffc113050b7cc4278540cf630b9012b50b42

  • SHA512

    e8bde7baecef7625839f063f0b294c95b444bf71902c5651d4827bb73a8328d1006d2cdf28739a82132c03d2c7b4f874ece99dd9924c24d9a633d5a496e545a5

  • SSDEEP

    3072:a/SQpWL/vAkKqtn7a+UEyXRLG+ZjMKFiFqaz7vynd:a/bWLnAkKqB++UEoR6D72

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 24 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f77e34ff80d41b1e0b3be005989ffc113050b7cc4278540cf630b9012b50b42.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1620
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f77e34ff80d41b1e0b3be005989ffc113050b7cc4278540cf630b9012b50b42.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2080
              • C:\Users\Admin\AppData\Local\Temp\f771fd0.exe
                C:\Users\Admin\AppData\Local\Temp\f771fd0.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:2824
              • C:\Users\Admin\AppData\Local\Temp\f77231a.exe
                C:\Users\Admin\AppData\Local\Temp\f77231a.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 policy modification
                PID:1560
              • C:\Users\Admin\AppData\Local\Temp\f773b8a.exe
                C:\Users\Admin\AppData\Local\Temp\f773b8a.exe
                4⤵
                • Executes dropped EXE
                PID:2980
        • 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

            256B

            MD5

            724ea2a2de6d5b894ed61ea8947f4c3e

            SHA1

            cc6cdb65710067b9021795ec08c65040346d8c29

            SHA256

            e8526a147d6663f4bb00e5bc882f77f580365859a57d5e3ca708e1b4a5095a21

            SHA512

            ad2884031834787b754a625b25ab999aa057675d458c958f9307723b6486f186ccf02cb43bb0a53ddc20112ef702e964de13da442b33fc937855ea5dba551043

          • \Users\Admin\AppData\Local\Temp\f771fd0.exe

            Filesize

            97KB

            MD5

            4f05e829beb9500f10626e4b39e86852

            SHA1

            4130a6e65aa77555816baa97c690e3294cf2257a

            SHA256

            adc938c72461202ccff10cc17f11064173a4ca9d8fd595215b4b19efc14f66fc

            SHA512

            f4f604f13d132ce9162f1794e4d21657ab7a9a5dfc091b3854b3f22115923ddb25f228bde52aa604a5d4dac515c27b3cf61114404b8cacaa6ecfb2d38870267c

          • memory/1120-30-0x00000000021F0000-0x00000000021F2000-memory.dmp

            Filesize

            8KB

          • memory/1560-99-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1560-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1560-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1560-169-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1560-168-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1560-166-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1560-100-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2080-38-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-77-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-40-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2080-41-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2080-39-0x0000000000210000-0x0000000000211000-memory.dmp

            Filesize

            4KB

          • memory/2080-6-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2080-60-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2080-59-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2080-50-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2824-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-82-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-49-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2824-51-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2824-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-62-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2824-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-48-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2824-84-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2824-156-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2824-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-109-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2980-110-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2980-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-173-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB