Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 06:53

General

  • Target

    c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57.dll

  • Size

    120KB

  • MD5

    91b196049ed55dd8e17b32469a448e27

  • SHA1

    af0dae0840801ccf94e871967d3226c81bb9e18b

  • SHA256

    c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57

  • SHA512

    46f27067cca33b7f01e2e11127c5e11249ecb882675616e0b229a97a8641ac2ba0001b6bef84688518a3f34309ea9a6d8b41a2226d4779ade7f1a01964cc1d7d

  • SSDEEP

    3072:xxn7I805Vidm9JghTwJ5KX9emMY2IIipb:xxn7tS0MKQIIi

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 17 IoCs

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

  • UPX packed file 25 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2964
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a3403aeaca1740145b6a573807b17f1ff45c4d9df42ce273ea10322a905b57.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3036
              • C:\Users\Admin\AppData\Local\Temp\f768037.exe
                C:\Users\Admin\AppData\Local\Temp\f768037.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:2812
              • C:\Users\Admin\AppData\Local\Temp\f7681dd.exe
                C:\Users\Admin\AppData\Local\Temp\f7681dd.exe
                4⤵
                • Executes dropped EXE
                PID:2560
              • C:\Users\Admin\AppData\Local\Temp\f769efd.exe
                C:\Users\Admin\AppData\Local\Temp\f769efd.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:624
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f768037.exe

            Filesize

            97KB

            MD5

            0512fe6438503bf94b5d77e84b30e4fa

            SHA1

            afeab0ec78e755c9f5e031fa7005b2957d3d27c6

            SHA256

            ec8434703c3d1c2575eb799e76e6a9b16011abff9a049b363fd703786952763c

            SHA512

            a372170f743a6cb20be9a93b0e032fc85002ea4c3e54dc8273c474118fc6533f1b0ac055e762c65c2ce7b8f58860f2f2f616b384c0ccfa6a52df93272a06f0a7

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0b3c04d5bffed22c9016a1be3abb9ee8

            SHA1

            7f986be4048255a395c34c66bf82e9c86f1a64a9

            SHA256

            f5ce9d44f794a0070b9cb12aa14d9660a03cd7c1e28057d822034678e68a7b55

            SHA512

            3de37b69d1706e9e9176be361257bef074bb3971359c049bee066465bcd540dd0ab6b0a1da3ecd34a46b16f65c4678dc8ebf6a3f0c8ab2de10650267986a41ba

          • memory/624-105-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/624-213-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/624-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/624-167-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/624-137-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/624-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/624-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/624-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1100-21-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2560-134-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2560-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-98-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2560-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2560-97-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2560-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-87-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-41-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-39-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-25-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-49-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2812-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-40-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-62-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-64-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-63-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-65-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-66-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-68-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-69-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-70-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-71-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-72-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2812-42-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2812-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-157-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-16-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-89-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-14-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-109-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-38-0x00000000003A0000-0x00000000003A1000-memory.dmp

            Filesize

            4KB

          • memory/3036-80-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3036-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3036-57-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3036-31-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/3036-30-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3036-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3036-58-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/3036-84-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/3036-12-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/3036-48-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/3036-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3036-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3036-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB