Analysis

  • max time kernel
    30s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 17:26

General

  • Target

    fa749dff017c79790d6204808788833562114e5ca448208477118c89282c0deaN.dll

  • Size

    120KB

  • MD5

    de800cd1cf103f69b7ffb38e55c39c40

  • SHA1

    478bc43083f8decb1f0eec82d69101a5a94ad651

  • SHA256

    fa749dff017c79790d6204808788833562114e5ca448208477118c89282c0dea

  • SHA512

    8a6eeed6d23c012cc3e55a381be1f506e11501ece039bd72821676e2dcb365620b9aceeb122c60ba4e75ea89b92b67cdd729a2a289709f3e683b9844dd2fcc3b

  • SSDEEP

    3072:g4OqyQm2W5TgGEvyZ+BQC6ajK26RDr5TRfU:mqztW5Tn4B/Glnt

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 11 IoCs

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

  • UPX packed file 23 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 42 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1212
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1300
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1364
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa749dff017c79790d6204808788833562114e5ca448208477118c89282c0deaN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:108
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa749dff017c79790d6204808788833562114e5ca448208477118c89282c0deaN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2008
              • C:\Users\Admin\AppData\Local\Temp\f78232a.exe
                C:\Users\Admin\AppData\Local\Temp\f78232a.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:2548
              • C:\Users\Admin\AppData\Local\Temp\f7827ac.exe
                C:\Users\Admin\AppData\Local\Temp\f7827ac.exe
                4⤵
                • Executes dropped EXE
                PID:2560
              • C:\Users\Admin\AppData\Local\Temp\f784450.exe
                C:\Users\Admin\AppData\Local\Temp\f784450.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:2764
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1124

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5ad3778c4b54ef8a8d40f50c6a5757be

            SHA1

            b40ee38a06da906bb09d0a3d0e6c7953c3f4b1a6

            SHA256

            0d5cd2cac443d5bc5584ba5612e96291a2eb846b829f6208a0496a6fcd6042c8

            SHA512

            71cd05b4914fb5d8e06c07a81b06956a9fb66eb3c60c86e16e7e707413ab2b9f47fdcccf80196fa641e933ff0b042c66539aba33c3f333a875a44269285b0fd8

          • \Users\Admin\AppData\Local\Temp\f78232a.exe

            Filesize

            97KB

            MD5

            cb229ff6dd0c4d72fa7f93b68bdb0680

            SHA1

            45d0955a723e003148e4481c08dbe29bffa6520e

            SHA256

            9f77431784a465d3c6995dca901e0b43bbde8a7e29fc90a2fcd86bcc418622f6

            SHA512

            ad3c444c7f0e766c3b827eb6e4ca0790cca88c4e72f2502ecd3f8ca8d8b194abdfa1fd9b9067682fa2f15af4c7c3d979f7e7bd78e61fa552ca68e479a99339df

          • memory/1212-23-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2008-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2008-78-0x00000000001E0000-0x00000000001E6000-memory.dmp

            Filesize

            24KB

          • memory/2008-64-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-35-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-9-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2008-30-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-31-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2008-32-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2008-33-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2008-47-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2008-48-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2548-58-0x0000000001960000-0x0000000001962000-memory.dmp

            Filesize

            8KB

          • memory/2548-77-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-16-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-14-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-61-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-60-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-59-0x0000000001960000-0x0000000001962000-memory.dmp

            Filesize

            8KB

          • memory/2548-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-57-0x0000000002F00000-0x0000000002F01000-memory.dmp

            Filesize

            4KB

          • memory/2548-51-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-50-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-11-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-145-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-13-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-79-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-80-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-82-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2548-140-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2548-106-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2560-94-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2560-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2560-141-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2560-49-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2764-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2764-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2764-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-160-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-194-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB