Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 03:52

General

  • Target

    c9735c73b0bc215481b7e859036939c730c105c5b1cf2d4a94221a8ab2a558ba.dll

  • Size

    120KB

  • MD5

    c11b5d7620a61799eb4e0a5bed6c76e2

  • SHA1

    0841887aa8c410ce72458f45ddfef9b36df43912

  • SHA256

    c9735c73b0bc215481b7e859036939c730c105c5b1cf2d4a94221a8ab2a558ba

  • SHA512

    2a5d7495cab155348b82927fea50e5bfb85aac7bdd66d031c516c338a4bc088ffdac19a2e1cee8acd057c589977a8841d86b7093c768e7d38b324f83580adad2

  • SSDEEP

    3072:5HrX3XqDHdckNDSEt8sPnzhBYC/aWJ+q:5LwdckkEt8sP7YCCWUq

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 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9735c73b0bc215481b7e859036939c730c105c5b1cf2d4a94221a8ab2a558ba.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3052
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9735c73b0bc215481b7e859036939c730c105c5b1cf2d4a94221a8ab2a558ba.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1948
              • C:\Users\Admin\AppData\Local\Temp\f769fa9.exe
                C:\Users\Admin\AppData\Local\Temp\f769fa9.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:3064
              • C:\Users\Admin\AppData\Local\Temp\f76a554.exe
                C:\Users\Admin\AppData\Local\Temp\f76a554.exe
                4⤵
                • Executes dropped EXE
                PID:2856
              • C:\Users\Admin\AppData\Local\Temp\f76bb92.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb92.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:2652
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4ece4518f3d609d75c49c07bfeeaef41

            SHA1

            3b99f20bae2f21b4d8c893146ea634f0ea7ae732

            SHA256

            1541cb0ed3b8df090cfaa49f70bdbbec204e55a2e551b1a72e4522bcf19d5e2a

            SHA512

            b424fcad2773ea1be3c5d77cfc3182790bec2c2a4c7750216ef0266329d072e6ea2cd473b42fe15f785684575bff94e4e778d0a8a0551d407e744e853016cb6b

          • \Users\Admin\AppData\Local\Temp\f769fa9.exe

            Filesize

            97KB

            MD5

            199d9473e4b3f59b252d4639fb4b62fb

            SHA1

            d01656ffc1bab44f5447df0204da44d18cf5b61f

            SHA256

            f012acb89166ec8fa716392629c71d5a5d24c7299c3db5f0e18e27ed06228c98

            SHA512

            db8205e34f96d62b74e7fb115a624b3f3c57ee6ed999c57fdaf22652b9330a31c741825bb37f06ce1361b6bdb72b9e3cccbc3fdc6b40e3e81d0acc960156f15f

          • memory/1116-28-0x0000000001FB0000-0x0000000001FB2000-memory.dmp

            Filesize

            8KB

          • memory/1948-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-74-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1948-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-35-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1948-36-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/1948-37-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/1948-72-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-55-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1948-47-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2652-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-103-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2652-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-164-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-165-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-199-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-102-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2856-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2856-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2856-93-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2856-124-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2856-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3064-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-46-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/3064-60-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-73-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/3064-58-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-57-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-77-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-79-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-81-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-83-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-43-0x0000000002E90000-0x0000000002E91000-memory.dmp

            Filesize

            4KB

          • memory/3064-59-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-45-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/3064-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-106-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-148-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3064-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-13-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB