Analysis

  • max time kernel
    29s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 03:44

General

  • Target

    5753322fa7728a12d505500d0cd27b92ba8ed75b9e3426b76ba8d32b59188d25N.dll

  • Size

    120KB

  • MD5

    1cb3284b1bac179c3a71e82049064310

  • SHA1

    798f505bcf9963214c30214bbe1e754ffd30c39c

  • SHA256

    5753322fa7728a12d505500d0cd27b92ba8ed75b9e3426b76ba8d32b59188d25

  • SHA512

    8b9887db9b61bcc3de62239cc3713f344c7a72eb522bee8e7023997a62c11b55a3b64f04ebb7a6399eef198c661e6708494f40e00c8343fbf07409d36a27a6f5

  • SSDEEP

    3072:zjvWWeYkxd7aJpC4TSZKRcf37GCqH/slKw/dr:zvLEGpNeYRcf3KkKSV

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 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\5753322fa7728a12d505500d0cd27b92ba8ed75b9e3426b76ba8d32b59188d25N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3036
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5753322fa7728a12d505500d0cd27b92ba8ed75b9e3426b76ba8d32b59188d25N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1020
              • C:\Users\Admin\AppData\Local\Temp\f767ff9.exe
                C:\Users\Admin\AppData\Local\Temp\f767ff9.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\f768131.exe
                C:\Users\Admin\AppData\Local\Temp\f768131.exe
                4⤵
                • Executes dropped EXE
                PID:2872
              • C:\Users\Admin\AppData\Local\Temp\f76a1bb.exe
                C:\Users\Admin\AppData\Local\Temp\f76a1bb.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:1864
        • 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:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            1d3fde35e79339238b8e64e5dbff17a5

            SHA1

            1fe6aceb601439667e8859b3abeace21c70c1d60

            SHA256

            94586444c7b98d93cd07db492fdf0e3649e1bfd794e231c35fdf846d4610bf4d

            SHA512

            8bc26209153abd37270fb3252b42e86256768d53328b8e45a3fa11780346c09b15ed8a7203db38015ff0e94f8a93b95a7e5ec1d734180d3869e113a56d3bfad0

          • \Users\Admin\AppData\Local\Temp\f767ff9.exe

            Filesize

            97KB

            MD5

            a7b722975f7320311eeb52f3cbe4b2b5

            SHA1

            1cd2cf6c8b9bb0a496aeee4f2ce063e2bdb35d5f

            SHA256

            cbd909acb7bd3fce9ee50b3d81abb22789d7fe2074f5530663d9a1348952c88c

            SHA512

            ff0aeda868fb426774558cf622b1566dec0aff75833606521424f91029e4b4de95e401170038a7105cdd6e270108a2bc3a2de31760ff06f02aaef49a72a8bce1

          • memory/1020-47-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/1020-76-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/1020-73-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1020-45-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1020-36-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1020-27-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1020-25-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1020-24-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1020-4-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1020-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1100-16-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1864-160-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/1864-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1864-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1864-161-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1864-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1864-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1864-204-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/1864-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-46-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2812-53-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-59-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-50-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-78-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-52-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-34-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-81-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2812-11-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-48-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-35-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-37-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2812-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-102-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-105-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2812-33-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

            Filesize

            4KB

          • memory/2812-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2812-144-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2872-98-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2872-117-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2872-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2872-91-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2872-51-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB