Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 13:32

General

  • Target

    a4d8be96db054bd7355d077052e701d6d58068a51540db7925181b40a730edf0N.dll

  • Size

    120KB

  • MD5

    fd97ea8c53a0429eba4b0bcba51b0520

  • SHA1

    3b28b5504ab944b1c05a6d3cbf5c4a7f5e29297b

  • SHA256

    a4d8be96db054bd7355d077052e701d6d58068a51540db7925181b40a730edf0

  • SHA512

    827f97b75c8687b09dedbca6a0c4bbee9ba1ca9426282b8ed27316351cde6d52f809d68ac76db8231c923a2dce672fffdf2a215cb018b23c1702aa272a98c338

  • SSDEEP

    3072:VO5xxM3U+JBtxuSIKoCau4kSo3spF+tA3Ma/37yYs:siJXkiReUspF+t/a/F

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 17 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 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:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4d8be96db054bd7355d077052e701d6d58068a51540db7925181b40a730edf0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3048
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4d8be96db054bd7355d077052e701d6d58068a51540db7925181b40a730edf0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3060
              • C:\Users\Admin\AppData\Local\Temp\f769c01.exe
                C:\Users\Admin\AppData\Local\Temp\f769c01.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:772
              • C:\Users\Admin\AppData\Local\Temp\f769dc5.exe
                C:\Users\Admin\AppData\Local\Temp\f769dc5.exe
                4⤵
                • Executes dropped EXE
                PID:2612
              • C:\Users\Admin\AppData\Local\Temp\f76bb82.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb82.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:2664
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769c01.exe

            Filesize

            97KB

            MD5

            030ceaa2a38fa77566076d10e32052f9

            SHA1

            5866d40cc9f6cee7eab3e7a51b07e6d43b73710c

            SHA256

            3c7b30194b1d832d0136c796a698a57e2109211d3219fce125632ef6ca09c223

            SHA512

            6cffcd53555a426a3176805d4e4d65d6c3d59b24913156a6429e02cef76c44f3642360b98eeb69a392236ff3865f762d4b05a2c16c32c0e5b078b3d9536fd4f0

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c7d36f2ff83e7e37a7a173d158fdbc45

            SHA1

            953cfc6e398e7048346e9037020e6109ca5b4850

            SHA256

            a0dc2ccb6bd9c893334f3512953e1e1d69c1ae2f8c18a7c7100d1d01fda06907

            SHA512

            a9cf3c010d7a9675873c082f9974fa9ce91c8b9029618c36dcf4ec05b63197449db4de96d936b1f4d8f6dff6268fe91f18885bf1aecb51ae0338427c823c5bee

          • memory/772-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/772-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/772-109-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-107-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-105-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-85-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-25-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-71-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-70-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-148-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-40-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/772-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-41-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-68-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/772-61-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/772-60-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/1112-26-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2612-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2612-175-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2612-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2612-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2612-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2612-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2664-100-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2664-202-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2664-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-160-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2664-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-101-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2664-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3060-79-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3060-33-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/3060-32-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3060-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3060-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3060-42-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/3060-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3060-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3060-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3060-50-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3060-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3060-53-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/3060-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB