Analysis

  • max time kernel
    29s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 07:47

General

  • Target

    21ade9082ee6cc085f4927c9b37d443c5e21dc5272d79c5d81e8bd7b697f7966N.dll

  • Size

    120KB

  • MD5

    1a1121f9a9562e16a2f430db970f6d90

  • SHA1

    b30285d96c518740d8bee5665658e884c71e51fb

  • SHA256

    21ade9082ee6cc085f4927c9b37d443c5e21dc5272d79c5d81e8bd7b697f7966

  • SHA512

    1b53e1c161e3c2b2022143943da756241aa2b9b8a6db68fdd65c86fabc262cbd8e8b99a5c1129ff3b2e3da2d0542202e279b94f0f6994ea1711ab2f598770a0a

  • SSDEEP

    1536:YnDM+hMW4dXsXiTiUjtH5YCFJ2JtOf3Qjmq+9lJxAp99Tmp8:YDMbW4UUjjgjOfYmZ9rxAp99Kp

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 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 41 IoCs
  • Suspicious use of WriteProcessMemory 38 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: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\21ade9082ee6cc085f4927c9b37d443c5e21dc5272d79c5d81e8bd7b697f7966N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1716
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\21ade9082ee6cc085f4927c9b37d443c5e21dc5272d79c5d81e8bd7b697f7966N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f765918.exe
                C:\Users\Admin\AppData\Local\Temp\f765918.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:2256
              • C:\Users\Admin\AppData\Local\Temp\f765a9e.exe
                C:\Users\Admin\AppData\Local\Temp\f765a9e.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2516
              • C:\Users\Admin\AppData\Local\Temp\f7674d2.exe
                C:\Users\Admin\AppData\Local\Temp\f7674d2.exe
                4⤵
                • Executes dropped EXE
                PID:824
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1584

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e8d7fdc8d3c51f128ddeb83c9434d178

            SHA1

            403142cdaa902d799a9434c0300c57fc2e7aee21

            SHA256

            098789493f37e1e33f1f39ac2909572bae56cd58b4ae57d4981e7f3a2be05c56

            SHA512

            cb8c2405c6c3285d4319174fcde3cefed86b524615a051527bbb553f6d36f27f78df209f5b0936dadd9628d874855cc303f8b5982c7e5cb8aced639c73b18d9e

          • \Users\Admin\AppData\Local\Temp\f765918.exe

            Filesize

            97KB

            MD5

            65326d6c6945732fe44c82aae44e8d44

            SHA1

            35624e9fdb8cf2e0a6d66f402c854d3dc6502417

            SHA256

            1ed8adeae5ae22005244c5f08f042b288bd8f009a346e146acd98c108b24f101

            SHA512

            d1fe81e4bebdd0de1ed9229d1d637bc3fbfe9fab617fbb34f7dee8603d6ffc8f2f6a938f43d58fc2afe6b5a4699e3ba223f1aab1e22057df0534232a1a1e1627

          • memory/824-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/824-139-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/824-110-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/824-109-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1120-27-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2256-61-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-15-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-45-0x00000000018F0000-0x00000000018F1000-memory.dmp

            Filesize

            4KB

          • memory/2256-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2256-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2256-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-11-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2256-161-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-13-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-89-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-60-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-86-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-63-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-84-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-76-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2516-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2516-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2516-188-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-169-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2516-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2516-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2516-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2516-103-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2840-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2840-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2840-79-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2840-56-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/2840-9-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2840-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2840-3-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2840-35-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2840-44-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2840-83-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2840-77-0x00000000008A0000-0x00000000008B2000-memory.dmp

            Filesize

            72KB

          • memory/2840-78-0x00000000008A0000-0x00000000008B2000-memory.dmp

            Filesize

            72KB

          • memory/2840-36-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB