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Analysis

  • max time kernel
    103s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 14:21

General

  • Target

    3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4dN.dll

  • Size

    120KB

  • MD5

    d89a44975788072aa21f2dd4c1f43b10

  • SHA1

    b6f512d2ebdc3b78bb068fa9f934d03acb0b7835

  • SHA256

    3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4d

  • SHA512

    8c0362692498baf53bc4d9df311dbfa99fdd81d8790e81b804c7264e1c3b39ee05e49a4235e3700689f25a9bc4f40f513c125997fd5071cb252e0efe44a6611f

  • SSDEEP

    1536:jl8NGXxt6RainDMHybFGo+0By4GNnSJunlWCUCIiewyUETez3KC7yT70bHnQ:jl8NGXxtRybFGoPaSInkOe5UEez37BH

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 13 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 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: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\3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4dN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2388
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3429e8687f77359b4443251d6f3f803357a3b83713247806c7f396daae840b4dN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2112
              • C:\Users\Admin\AppData\Local\Temp\f76d172.exe
                C:\Users\Admin\AppData\Local\Temp\f76d172.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:2340
              • C:\Users\Admin\AppData\Local\Temp\f76d2f8.exe
                C:\Users\Admin\AppData\Local\Temp\f76d2f8.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:2612
              • C:\Users\Admin\AppData\Local\Temp\f76f0d4.exe
                C:\Users\Admin\AppData\Local\Temp\f76f0d4.exe
                4⤵
                • Executes dropped EXE
                PID:3052
        • 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:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a1b044c0ca62497acc2b5d0d84b55679

            SHA1

            6a4b85f1499fb4279abca4919b85ab46bd35e8f8

            SHA256

            c3264451533c585a3018d3807365e37898ad41d049c5e2bdf473075917de2fcc

            SHA512

            3daea8c2beaf2a303972a30d41c7c89ee0ef31e837d5fd55d3d4107ee999ee3a88259c7b9767c90d938b022c2248dde13bd63ec753a5acde2f83e6ac71fcfd76

          • \Users\Admin\AppData\Local\Temp\f76d172.exe

            Filesize

            97KB

            MD5

            f5952d989065867655968d607e049217

            SHA1

            5cd3323718101780d53fcc43de614560029c910b

            SHA256

            6d402d93c9c6bee085024d19422a37332c218ebdd8d6541a18e4c7aa5ef8f14c

            SHA512

            d3c7909b53d3f2abaeab40cf96a4a29cb8cacb107dfd60a1abf646b6ad799a52e5a210844d84521e1e763d625201c25971ad2788f8e62e130e8f6608f8457a32

          • memory/1112-28-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2112-73-0x0000000000710000-0x0000000000722000-memory.dmp

            Filesize

            72KB

          • memory/2112-8-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/2112-81-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2112-45-0x00000000006A0000-0x00000000006A1000-memory.dmp

            Filesize

            4KB

          • memory/2112-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2112-59-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/2112-60-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2112-56-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2112-195-0x0000000000710000-0x0000000000722000-memory.dmp

            Filesize

            72KB

          • memory/2112-35-0x0000000000200000-0x0000000000202000-memory.dmp

            Filesize

            8KB

          • memory/2112-36-0x00000000006A0000-0x00000000006A1000-memory.dmp

            Filesize

            4KB

          • memory/2340-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-83-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-49-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2340-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-58-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-57-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-68-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2340-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-46-0x0000000003050000-0x0000000003051000-memory.dmp

            Filesize

            4KB

          • memory/2340-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-12-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-154-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2340-110-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2340-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2612-95-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2612-96-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2612-130-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2612-97-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2612-167-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2612-190-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2612-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2612-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3052-104-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/3052-106-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3052-155-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3052-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB