Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 22:00

General

  • Target

    73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e.dll

  • Size

    120KB

  • MD5

    c27e581c1fae21b533ecd64a2bd026e5

  • SHA1

    afd79090d03017737ed237572cd1de330631f214

  • SHA256

    73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e

  • SHA512

    f1af37a122f304caafdd5e058b1b57d894d662abc3cef9f5483efc8868a47b4eba6edd0f28871a145f73ce271386c81a5bc539211b9d302d62aba4fa14343be6

  • SSDEEP

    1536:HoIy6l/Q3h66pzBPnH91Sur5kMBdJlrnvYUQm36E/OJpdckSOWefr87Fbsi3EsT7:bdpQxlBPdguqUDvYU0qkDl3w5bsilT4m

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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\73cd21780bf1b1431ed1d158d43d373d5508654d0e28014a309e8a171305295e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1852
              • C:\Users\Admin\AppData\Local\Temp\f76a286.exe
                C:\Users\Admin\AppData\Local\Temp\f76a286.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:2008
              • C:\Users\Admin\AppData\Local\Temp\f76a4a8.exe
                C:\Users\Admin\AppData\Local\Temp\f76a4a8.exe
                4⤵
                • Executes dropped EXE
                PID:2744
              • C:\Users\Admin\AppData\Local\Temp\f76be5f.exe
                C:\Users\Admin\AppData\Local\Temp\f76be5f.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:2628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3ccab4f2d1546d72d7aa958e5d12097c

            SHA1

            81167f2a38b19874fa9e35248a37c6c5ab731df1

            SHA256

            f31159a1baa4385b3d2e40b3ad7afd65480a7ac236943beec700eac7fa207a44

            SHA512

            784258b1069893628adfedf9af60495cc5ffb5ac41b509a4b935fb05b56f52bdc1d1149118237f0287ea836f44e3271c5fc0f0fd23cd719d5b7b1c08bac3735a

          • \Users\Admin\AppData\Local\Temp\f76a286.exe

            Filesize

            97KB

            MD5

            0e81c36a1f6e96a95c8c7bb3a0205429

            SHA1

            a8c183f0414416dd38ef3b015ffd74387d252ce2

            SHA256

            80c15f83ce7de9025c00bcf65297ecd0d1b6557d1d5d0b8021303a3c2489dc70

            SHA512

            957da0c4cabe4a3e19baa93ba3fd80725c59b0451b8fd6b2f9995c60000696fb66487bb25d5884e14ec60efa49b5fd165fffd5714d2b4f99e20d8532fd7ed490

          • memory/1104-28-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1852-79-0x0000000000550000-0x0000000000562000-memory.dmp

            Filesize

            72KB

          • memory/1852-209-0x0000000000550000-0x0000000000562000-memory.dmp

            Filesize

            72KB

          • memory/1852-5-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/1852-74-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1852-78-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1852-57-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/1852-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1852-54-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1852-55-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1852-38-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1852-36-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1852-35-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1852-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2008-60-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-13-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-44-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2008-46-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2008-59-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-61-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-62-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-45-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2008-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-81-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-84-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-85-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2008-155-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2008-87-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2628-103-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2628-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-207-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2628-171-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-97-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2744-104-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2744-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-130-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2744-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2744-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB