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
    06/12/2024, 17:12

General

  • Target

    5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d.dll

  • Size

    120KB

  • MD5

    e1c5631f1ba92f549b17772d6a995b54

  • SHA1

    caaa56ba62143458fc465d590359fd3b4ddb1067

  • SHA256

    5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d

  • SHA512

    1fd1bbfbbcb50c979a30ca69f1670c240ad4c7a242e43b9dd4412816cee7a8bdf2e455e3f09d8ee07e4575b0074131f78e0b4911869538180d7fc319b92394d0

  • SSDEEP

    1536:28IrE5hfDx7LhMbveVkp09k7k8VY7BMiwwHQjTPdw836Zk4xUnR5LPVNXu:28V5RpLhAWINY7BfwwHQjTVwB5evt8

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 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 25 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2668
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f8c94e042c754e3a312ee7c38aea8937edf0b9ec34e10f49bc5686232fd152d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2376
              • C:\Users\Admin\AppData\Local\Temp\f76d3f2.exe
                C:\Users\Admin\AppData\Local\Temp\f76d3f2.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:2896
              • C:\Users\Admin\AppData\Local\Temp\f76d587.exe
                C:\Users\Admin\AppData\Local\Temp\f76d587.exe
                4⤵
                • Executes dropped EXE
                PID:2904
              • C:\Users\Admin\AppData\Local\Temp\f76ef9c.exe
                C:\Users\Admin\AppData\Local\Temp\f76ef9c.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:2108
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76d3f2.exe

            Filesize

            97KB

            MD5

            9fc0cd5a4f1c19bed7377e85cae10534

            SHA1

            339ca153b5ae9f350ab647dbbe0c044d748c93f1

            SHA256

            545f6fb262838c2a8def80a440199694e13b60b828651162d872dce9bd38d966

            SHA512

            28bf5c6e11cf2a8ef7dd8da1d310feac8d5bc08ba84ea68312ea9f73b802e0441bbff3e2453516d380affcd561173d924b2336e09da6df7ca212a45662c78ae3

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            cf3791a1dfec2065ce95eea3ddcc0455

            SHA1

            139a39820b4b7515edffab40511031e9786a1436

            SHA256

            1bbf2fed489ea73dbce9b47dd14707a165a0920e57d1cd2b4bf1969f81d0f269

            SHA512

            293ac9e6859c828c40f94e0ecddb9743b63cf33ec84fb3099b9dfd6c148324ee6f899de60bf8210cc59fab0e061e5718bb2086e3998c6720b2f70ec5e4f9a57b

          • memory/1112-23-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2108-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2108-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2108-163-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-210-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-170-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2376-30-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2376-31-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2376-40-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2376-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-77-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2376-79-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2376-9-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2376-52-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2376-51-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2376-49-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2896-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-41-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2896-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-60-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-83-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2896-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-106-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2896-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2896-157-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-123-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2904-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2904-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB