Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 14:25

General

  • Target

    4c569852dae6c2de655f1c3b2e3db2ceaa882f80fcacd1ef054bd5b28feffa91N.dll

  • Size

    120KB

  • MD5

    05edbc5953f1360644b15d9ed3fb38d0

  • SHA1

    51223e653b3fd06109b8ecaf426349470d8c216e

  • SHA256

    4c569852dae6c2de655f1c3b2e3db2ceaa882f80fcacd1ef054bd5b28feffa91

  • SHA512

    a46f6e02044d3ab87ee0e73562e67eb5b76f9d7796c6f8d3d5aab0e1fd91f6833afea0e8cdf51804c4e7a6d4ebce7de3cf9ab9dad64e86d7c798aff3b3634bea

  • SSDEEP

    1536:a7FfmWMvx2f7rXpUVFHbHuU4QC8rASobsavlnlLabvSarFYmUbkkYTd4EzKwd:IfOp2DbpixYQlonlL2vDRYmLTd48

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 16 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c569852dae6c2de655f1c3b2e3db2ceaa882f80fcacd1ef054bd5b28feffa91N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2244
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c569852dae6c2de655f1c3b2e3db2ceaa882f80fcacd1ef054bd5b28feffa91N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2920
              • C:\Users\Admin\AppData\Local\Temp\f766b9f.exe
                C:\Users\Admin\AppData\Local\Temp\f766b9f.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:2944
              • C:\Users\Admin\AppData\Local\Temp\f766d44.exe
                C:\Users\Admin\AppData\Local\Temp\f766d44.exe
                4⤵
                • Executes dropped EXE
                PID:264
              • C:\Users\Admin\AppData\Local\Temp\f768768.exe
                C:\Users\Admin\AppData\Local\Temp\f768768.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:2888
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1716

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f766b9f.exe

            Filesize

            97KB

            MD5

            71c80b6b287c26396a23b6d1d1ec3b60

            SHA1

            b45c146e6524297689825cccdd884aa7db8e4dd0

            SHA256

            5bb62e8d77683938c4fc150e9db2a8c56ced9123f4f95e1f089ae3de8c617e8e

            SHA512

            208f467de1959bd39af4981e2dbe635cc0a17a701a212e32d463c7d18fcefd2de733125f503be1cf1af2fdcd043e88a9c290acbe21cf778b8d506ecdec57792a

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4373eceab4c4e86afe2e742ad09dbc9c

            SHA1

            fda71842f279adda1895b459c3b2222701d1805a

            SHA256

            9f08f1a025f6e1bc081d3575b1c00009458eb84c4af55cdfde90a8dd54cf7c18

            SHA512

            71f4e7b9b2f8b068174ed8bcacee34de8d46e4023bf1b93f54531ee41ec6e4fec3ef9a38762e49d3d5e9c92f7525d134c7b809afe27d3e9034ecc17ad9efe59c

          • memory/264-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/264-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/264-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/264-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/264-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/264-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1116-24-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2888-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2888-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-165-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2888-106-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2888-164-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2888-207-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2920-42-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2920-32-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2920-33-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2920-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2920-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2920-61-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2920-60-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2920-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2920-79-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2920-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2944-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-87-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-81-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2944-12-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-83-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-85-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-23-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-43-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2944-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-153-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-50-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2944-51-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2944-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB