Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:26

General

  • Target

    5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3N.dll

  • Size

    120KB

  • MD5

    76bf3fcf4a0f2fe419184c256d6b8c00

  • SHA1

    177db3dd3dba0107bf2b2c384f001d698c7a1b57

  • SHA256

    5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3

  • SHA512

    2372f0f2966975ec11b239b881cf5524294bd38ff77ca6d76a27995620ce66155aeba4d234886bbe9ef68c411dc1be3d00821b182c96084ec0da9b0ecadf80f6

  • SSDEEP

    1536:21wWIdV9BfHvEqFjJVylnjFn6apvtq0bckiobDlYLbxP6d6wipHUNdcUiulfQ:26WIdV9BfHcF5jd1nQkiQUFg0mf

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 7 IoCs

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

  • UPX packed file 22 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2168
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a3f09556d2e882f297aeeefbc1c9f4a4e134619346d4572e46d8e8209461cc3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2664
              • C:\Users\Admin\AppData\Local\Temp\f7683df.exe
                C:\Users\Admin\AppData\Local\Temp\f7683df.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f768585.exe
                C:\Users\Admin\AppData\Local\Temp\f768585.exe
                4⤵
                • Executes dropped EXE
                PID:1224
              • C:\Users\Admin\AppData\Local\Temp\f769f8a.exe
                C:\Users\Admin\AppData\Local\Temp\f769f8a.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:992
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1376

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aa0e51526d8795e8bc998e759cd5c41f

            SHA1

            f6179bfccaf00acc00a3f009e7f998587835d700

            SHA256

            f6ed0d83362df8c21222535b1c4fc8741568bd27c34001420a063538cfa75bd7

            SHA512

            13406024d0205b3f82f3a3fe3cfb1d798b11e9c36d4be0696826cbf8ad845eb965dd14abac34c9a07abbf13f0be3685e3611826fcf0eebae43ae72a549fed164

          • \Users\Admin\AppData\Local\Temp\f7683df.exe

            Filesize

            97KB

            MD5

            e0ffcb35552ad2d18ff7e30cad53d810

            SHA1

            7788774201449758298bd304fc7dd77e00eb3714

            SHA256

            02e6f6409b5e79835341248660b813edd65eea54596433819752b318c716e5b5

            SHA512

            acde220fa7044e859967046ff1237cbf061d91729511e6da8d3a2b24ebd9357150280da597f80c2c4c8663f213a58a4b6f7a2311b4715cd8ed9a8e1c851c8913

          • memory/992-102-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/992-104-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/992-189-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/992-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/992-163-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/992-164-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1104-29-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1224-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1224-141-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1224-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1224-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1224-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2664-60-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2664-49-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2664-63-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2664-62-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2664-81-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2664-40-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2664-39-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2664-9-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2664-4-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2664-75-0x0000000000500000-0x0000000000512000-memory.dmp

            Filesize

            72KB

          • memory/2664-76-0x0000000000500000-0x0000000000512000-memory.dmp

            Filesize

            72KB

          • memory/2664-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2664-78-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2696-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-77-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2696-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-82-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-50-0x0000000003010000-0x0000000003011000-memory.dmp

            Filesize

            4KB

          • memory/2696-53-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2696-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-105-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-106-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-108-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-109-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-110-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-137-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-136-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB