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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 22:15

General

  • Target

    24a3f30854d06886c9ebaa0eda8b8f1100c9e7652abd76a5e912020e0867de90N.dll

  • Size

    120KB

  • MD5

    67d894fb922a8e4b0060d8cf57b48aa0

  • SHA1

    ebec197b12651f6e18079866e5157163adcdec69

  • SHA256

    24a3f30854d06886c9ebaa0eda8b8f1100c9e7652abd76a5e912020e0867de90

  • SHA512

    607851de6d9294ac261f5a6a9aa72ec7aedc42056c97ee4c767392ce6912d7cd37e921aa1a15689c726e6ffe5341245ff657248bc9693fb2cb3dc49c2ffbc3eb

  • SSDEEP

    3072:B53XHzYwtgP+BXITX17SjgtmA+ebJAaxG7Dbu5:nYiNG1qqtBwXe

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 14 IoCs

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

  • UPX packed file 26 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\24a3f30854d06886c9ebaa0eda8b8f1100c9e7652abd76a5e912020e0867de90N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2112
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\24a3f30854d06886c9ebaa0eda8b8f1100c9e7652abd76a5e912020e0867de90N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2236
              • C:\Users\Admin\AppData\Local\Temp\f76ef4e.exe
                C:\Users\Admin\AppData\Local\Temp\f76ef4e.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:2820
              • C:\Users\Admin\AppData\Local\Temp\f76f113.exe
                C:\Users\Admin\AppData\Local\Temp\f76f113.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:2648
              • C:\Users\Admin\AppData\Local\Temp\f770b08.exe
                C:\Users\Admin\AppData\Local\Temp\f770b08.exe
                4⤵
                • Executes dropped EXE
                PID:2872
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1620

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            db20c11bf7656c1646108c007442ae90

            SHA1

            aef03a339f4b348d5f8acefab99f91f13e4d0f83

            SHA256

            7784da907402e28b97298bbb42de861a4c8360e9147c770212b0bc7df71ddcca

            SHA512

            408847b7d23b46f3f664c58fa90148508bcc68cb3cf9d2f3c0ec93ce4eed91ca45198e07287e21a54f5358e84208f1270b26ab3532f3d8c21e85cf6df968a4d6

          • \Users\Admin\AppData\Local\Temp\f76ef4e.exe

            Filesize

            97KB

            MD5

            136ce1316e2f80e24f87e804feed3ea7

            SHA1

            c71829436c9798c7a0ca2d00ba96295a96c67049

            SHA256

            6d90c0dc997c41370c4ad39e5e29e444285033e3f8ead80fc3f1094e3665293e

            SHA512

            e95bd207793c777b7dbddc5c39cfee596d0ff0a725c4134a73613df8a02cd34690d52b36cae889e4f735feac63142c249d4ae968226c7e6f1f58c7315e0aadde

          • memory/1108-27-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2236-34-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2236-52-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2236-83-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2236-13-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2236-12-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2236-54-0x0000000000380000-0x0000000000392000-memory.dmp

            Filesize

            72KB

          • memory/2236-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2236-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2236-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2236-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2236-35-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2236-43-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2236-55-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2648-164-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-103-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2648-104-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2648-100-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2648-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-128-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2648-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-191-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-44-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2820-89-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2820-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2820-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-88-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-91-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-58-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2820-57-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/2820-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-111-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-113-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-152-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2820-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2820-26-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-107-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2872-165-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2872-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2872-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2872-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB