Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 13:14

General

  • Target

    fa0a7e3c2e7d085c37b110997cd41a0d8704948266540f3d4f9af0f355391cd6.dll

  • Size

    120KB

  • MD5

    0893496f09c36ea9ade4dee18e9c2730

  • SHA1

    db2a7ed33b227a807b7293b3e00382c5b709fdaa

  • SHA256

    fa0a7e3c2e7d085c37b110997cd41a0d8704948266540f3d4f9af0f355391cd6

  • SHA512

    8069e8e21c29e05757acaea0981ba91fa1e7d224434e3e788d6f34a37959a26f361c346abfa347b681ef8bd08f0ca3001537bdb11a55d7ddcd9c8b1a5d91898c

  • SSDEEP

    1536:Kf/Wj6Ja0xSdsrZDlqzm6fudKfTusbKTCkDdkybW7eTUmfkJg7M1Ygd2/eNOovef:Kf/WxYZpsmo//bKGkDGQW2pfYygEeDef

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 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1108
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa0a7e3c2e7d085c37b110997cd41a0d8704948266540f3d4f9af0f355391cd6.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2704
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa0a7e3c2e7d085c37b110997cd41a0d8704948266540f3d4f9af0f355391cd6.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2772
              • C:\Users\Admin\AppData\Local\Temp\f772636.exe
                C:\Users\Admin\AppData\Local\Temp\f772636.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:2804
              • C:\Users\Admin\AppData\Local\Temp\f7727bc.exe
                C:\Users\Admin\AppData\Local\Temp\f7727bc.exe
                4⤵
                • Executes dropped EXE
                PID:2568
              • C:\Users\Admin\AppData\Local\Temp\f77448f.exe
                C:\Users\Admin\AppData\Local\Temp\f77448f.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:1340
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2044

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e3360f165609a74a7d19249f7427f2d6

            SHA1

            a7d98c0f109c0380578be68b9daafc4c21e348ec

            SHA256

            15cf23ebf2b0cbccfb3dcbf7282e51551749ed5937b40f4d2bc102d819b8531d

            SHA512

            32877d30546f61d5acae745efe0160ba591c8df0a1b7c774d2ddd325510ed2f27dd2fd3df2d7eb5c8de8b79e792e733c57624e654c1901f4e878764b6aa0d4ab

          • \Users\Admin\AppData\Local\Temp\f772636.exe

            Filesize

            97KB

            MD5

            f8238e8a2f92856b726339c3c0a74661

            SHA1

            1fbbbbebdc63e3d645fbc2f32986fa694c17d4f3

            SHA256

            d43da33677b75cf289b40d2db566918762b92ecf48f01471d2bb5c40cd8f8478

            SHA512

            5b5301a47f941846407f45d20c4eeab78188c852d568129293b3029defcf719be94abb46cdfeb16395d95bf26886859cabce4ad992faeac5152d4b1a069f2310

          • memory/1100-24-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1340-200-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1340-154-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1340-155-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1340-201-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1340-100-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/1340-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2568-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-99-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2568-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-92-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2568-93-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2772-34-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2772-75-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2772-33-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2772-9-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2772-8-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2772-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2772-59-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2772-58-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2772-46-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2804-79-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-66-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/2804-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-78-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-81-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-50-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/2804-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-103-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-105-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-106-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-108-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-143-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-142-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-12-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-47-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB