Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 22:45

General

  • Target

    3b5cb986b2d1153ea0fc77f344b1acc56626d1de06dd8fa05815eba56e81fd27.dll

  • Size

    120KB

  • MD5

    c335820b161f4c23ded156e151a10aa7

  • SHA1

    f804afa361891c9a1e2ee8094ef33c253b8b7e0b

  • SHA256

    3b5cb986b2d1153ea0fc77f344b1acc56626d1de06dd8fa05815eba56e81fd27

  • SHA512

    adc917006f2abc40d6bfc86bf4d49bb15ab15c25726e3614b949c2d6fb1974a3f0a55c7712410256a480f109fb737c2a8e513579f08595e223d9bbceb8c63624

  • SSDEEP

    3072:2xMmFcHmvcN6OzxwU0SlXsAPwUGwa7BHoMU9C:wJF2cCwU05awaaZjU9C

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 25 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:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1112
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b5cb986b2d1153ea0fc77f344b1acc56626d1de06dd8fa05815eba56e81fd27.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2568
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b5cb986b2d1153ea0fc77f344b1acc56626d1de06dd8fa05815eba56e81fd27.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Users\Admin\AppData\Local\Temp\f76af43.exe
                C:\Users\Admin\AppData\Local\Temp\f76af43.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:592
              • C:\Users\Admin\AppData\Local\Temp\f76b5b8.exe
                C:\Users\Admin\AppData\Local\Temp\f76b5b8.exe
                4⤵
                • Executes dropped EXE
                PID:2064
              • C:\Users\Admin\AppData\Local\Temp\f76cace.exe
                C:\Users\Admin\AppData\Local\Temp\f76cace.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:584
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1772

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            19bb2f0680a0f43f8938c1c9e9549688

            SHA1

            882118aa6d2c1b9923134d1d13a19fb8bc9e57e1

            SHA256

            6e88429f9812d1efe26b6652b3a75d341f61f4fcaa2d5f18fab05e6038e8fd86

            SHA512

            553b6faf6fb610c2af953c8fe5c54729556d8d8ed76fdb45d16ec4d0afc572630312c49800cddd39351ae5c22150309e0bf9ae15f867ad7c7f745effa228cf84

          • \Users\Admin\AppData\Local\Temp\f76af43.exe

            Filesize

            97KB

            MD5

            a68b9133d308e45d9bb4aef54ccfb367

            SHA1

            1d59117c49d0a2a76ef2ef4f6765908b814a80ca

            SHA256

            9e8a916a40552853bd8505a4b264ece3d078cde99027342c2ffa222355ecf017

            SHA512

            6f9ecc487b89d94417def4209307d5616312d58da14dda633cbecf9f73044e771650377e4b710078671cfe21945773ebdb5370c0c1f93f40ac5ee0dae1cb5f36

          • memory/584-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/584-212-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/584-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/584-182-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/584-157-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/584-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/584-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/592-91-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-40-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/592-89-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-25-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-24-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-41-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-60-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/592-155-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-56-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/592-111-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-50-0x0000000003C20000-0x0000000003C21000-memory.dmp

            Filesize

            4KB

          • memory/592-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-67-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-93-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/592-84-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/1048-26-0x0000000000110000-0x0000000000112000-memory.dmp

            Filesize

            8KB

          • memory/2064-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2064-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2064-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2064-156-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2064-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2064-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2396-51-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2396-34-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2396-44-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2396-42-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2396-77-0x00000000007E0000-0x00000000007F2000-memory.dmp

            Filesize

            72KB

          • memory/2396-72-0x00000000007E0000-0x00000000007F2000-memory.dmp

            Filesize

            72KB

          • memory/2396-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-43-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2396-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-83-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2396-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-76-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2396-7-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2396-12-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB