Analysis

  • max time kernel
    76s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 19:52

General

  • Target

    d24e3826fb8807362eb0bcbb9893cfb0N.dll

  • Size

    120KB

  • MD5

    d24e3826fb8807362eb0bcbb9893cfb0

  • SHA1

    33650daa57c0221cb1e0a9908a5ec3af67378fd0

  • SHA256

    2e9a4924a0ac00cfbdaa24d94b613c41fafef6a16a8af5e2889b86d73a03a167

  • SHA512

    7e7929b9c3fc9b31761399722b1b978fabc5eab56a3809cc50f0cc3618492dad1bdc9d78323fcb43ee630e095c02643de0c9dab7dc7f8b64f64d3a485b949612

  • SSDEEP

    3072:JxJgTauiUiVtOWu+YlMbjcTGIbQ1gG5eY9Ng/uzSFsQ0nd:LJ4auiRtOWoEcTGPiG524

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1208
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d24e3826fb8807362eb0bcbb9893cfb0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2784
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\d24e3826fb8807362eb0bcbb9893cfb0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2800
              • C:\Users\Admin\AppData\Local\Temp\f773820.exe
                C:\Users\Admin\AppData\Local\Temp\f773820.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:2960
              • C:\Users\Admin\AppData\Local\Temp\f773dbc.exe
                C:\Users\Admin\AppData\Local\Temp\f773dbc.exe
                4⤵
                • Executes dropped EXE
                PID:3024
              • C:\Users\Admin\AppData\Local\Temp\f77518a.exe
                C:\Users\Admin\AppData\Local\Temp\f77518a.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:2916
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:916

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1e7d5d55a069d1d21ae70466dbadc7e6

            SHA1

            46eeabda79fd21427798906456a01bddd6d28dc4

            SHA256

            dd1086905c016718b613490baf5fdace30f1ba2fa68855a45ee1b2543803db4c

            SHA512

            f45806a5a5e38e0085fa108abfb1adcad5288b2991cc9d6430361e4cc9e7de9c21a5f75a1bd2a38226e67b4695ddfa34c8cf59a66b370bb99d8a29869f813fdc

          • \Users\Admin\AppData\Local\Temp\f773820.exe

            Filesize

            97KB

            MD5

            7f631fead50bfb9a079a07c2f9d2d810

            SHA1

            a5430e8fc18038daebd5711557d4def7a0c8b8ce

            SHA256

            798d5a25dbea682a6efa6b5877800fa18b617b9c944641878e3a875e3690d1c4

            SHA512

            f514319893ada3370649ab27ceed22c2bd44f447944db91987dbba0f0917e5f5bc81f4e51d4d245e0e5e4bb248fbca7a0c0c576edf8e0db48c2e84d82983f796

          • memory/1108-24-0x0000000001C20000-0x0000000001C22000-memory.dmp

            Filesize

            8KB

          • memory/2800-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2800-80-0x0000000000160000-0x0000000000166000-memory.dmp

            Filesize

            24KB

          • memory/2800-51-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2800-45-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2800-31-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2800-4-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2800-10-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2800-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2800-76-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2800-77-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2800-52-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2800-79-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2800-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2916-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2916-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-107-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2916-165-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2916-164-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-205-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-89-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2960-63-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-62-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-57-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2960-41-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/2960-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-83-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-84-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-85-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2960-86-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-55-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/2960-90-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-14-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-23-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-111-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-110-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2960-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2960-155-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/3024-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3024-133-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3024-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3024-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3024-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3024-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB