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
    16-12-2024 10:42

General

  • Target

    fe3f28a9072ede307b46039e7b26b2f2d59b6d119b916c114a52284801360fd3N.dll

  • Size

    120KB

  • MD5

    9e48489e3e22b669f36b71c30418dcd0

  • SHA1

    7de19c288b299f297d72b09e0d2da858f06fb448

  • SHA256

    fe3f28a9072ede307b46039e7b26b2f2d59b6d119b916c114a52284801360fd3

  • SHA512

    a01a1a93dcf5b90c33a490d313cc34cdb86501ff8afb188e2589d80ce2616cab60c279d1535aca05f3852024394747d5da0c708b61c25b89a30db758d44d5de1

  • SSDEEP

    1536:tRn0vsJAf0A1nWiNwqpsYolT+Hsn0qMYetVqA68MPqNZLkzH0gmakMCUTClSXgD1:X0Dx1WiNLsAHw0qOVFhMYZLkzLmICIO

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 27 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1036
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1052
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1108
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe3f28a9072ede307b46039e7b26b2f2d59b6d119b916c114a52284801360fd3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1640
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe3f28a9072ede307b46039e7b26b2f2d59b6d119b916c114a52284801360fd3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1920
              • C:\Users\Admin\AppData\Local\Temp\f7683ff.exe
                C:\Users\Admin\AppData\Local\Temp\f7683ff.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:1012
              • C:\Users\Admin\AppData\Local\Temp\f7685c3.exe
                C:\Users\Admin\AppData\Local\Temp\f7685c3.exe
                4⤵
                • Executes dropped EXE
                PID:2648
              • C:\Users\Admin\AppData\Local\Temp\f769fb9.exe
                C:\Users\Admin\AppData\Local\Temp\f769fb9.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:2184
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1664

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7683ff.exe

            Filesize

            97KB

            MD5

            fb50983d78f510ae86a48e6109f616a4

            SHA1

            a46a14f93c0eba58219330c7ffea2dcabbf30982

            SHA256

            7d14108574054181ba858d4b5d4d5df5a8a9a9239277e0cc5efecffd10a19808

            SHA512

            ed2d8f9dcc844917fdc82d81969e1bbf82d92b0fa6869e7604bd3cef669318e106df81dc48176c95fb10651296bd7ed424b3762a32d87b969266078a60c608a6

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d3d8138c2e1c99ca6b7d18fc045e3b85

            SHA1

            10623006ed4799056444a8628afc77020ffb45ea

            SHA256

            9e9f52bd3b8f693e02a9e92f82e5dccaf7fdb53882d7b9f52543ede46bb47196

            SHA512

            58e3df84e1450b16c1dd8515fcd822071b8e92bd6bd4642844f6bab92cad7a1244cfc4d0b313710b9f49dfa55e4301e3596f146ba8db4dde97c424b288757ca1

          • memory/1012-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-13-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-106-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-56-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/1012-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1012-46-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

          • memory/1012-149-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-82-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-81-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-80-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/1012-48-0x0000000003BD0000-0x0000000003BD2000-memory.dmp

            Filesize

            8KB

          • memory/1012-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-60-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-62-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1012-61-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1036-30-0x0000000001DA0000-0x0000000001DA2000-memory.dmp

            Filesize

            8KB

          • memory/1920-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1920-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1920-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1920-75-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1920-37-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1920-45-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1920-55-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1920-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1920-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1920-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1920-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1920-36-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2184-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2184-205-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-100-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2184-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2184-161-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2184-101-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2184-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2648-178-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2648-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB