Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 20:23

General

  • Target

    1c961353f8a3e9952c988c2cb03baa370f806d7550bb3ff8737a5e219737aa6f.dll

  • Size

    120KB

  • MD5

    274276f91c6290f72b11f0e762039fbb

  • SHA1

    8871a558d2e623c399023278686d1fcba3fe1f2d

  • SHA256

    1c961353f8a3e9952c988c2cb03baa370f806d7550bb3ff8737a5e219737aa6f

  • SHA512

    534848a849768b394ff847a7eba4723b30639641185260accfbbcda03f7187a2f1b8230e5cb6b7ead703c87ab8ed73474c56f5bdeb85414cf23b2d1fa419b299

  • SSDEEP

    3072:SRT7298n2AhsSc95TzOIiwrq0iEp3PbvJ5vVe:s6iUSwTavVw9R5vc

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 14 IoCs

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

  • UPX packed file 24 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1204
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1240
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c961353f8a3e9952c988c2cb03baa370f806d7550bb3ff8737a5e219737aa6f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3040
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c961353f8a3e9952c988c2cb03baa370f806d7550bb3ff8737a5e219737aa6f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2496
              • C:\Users\Admin\AppData\Local\Temp\f7774e2.exe
                C:\Users\Admin\AppData\Local\Temp\f7774e2.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:2744
              • C:\Users\Admin\AppData\Local\Temp\f7777a0.exe
                C:\Users\Admin\AppData\Local\Temp\f7777a0.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • System policy modification
                PID:2696
              • C:\Users\Admin\AppData\Local\Temp\f779627.exe
                C:\Users\Admin\AppData\Local\Temp\f779627.exe
                4⤵
                • Executes dropped EXE
                PID:2560
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1364

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            f37636532a6df1d93602830e51b89a14

            SHA1

            ccf9e083bd56a29d28da398f2a14ee510e946ef7

            SHA256

            e6209cc1eef8ab4efad4a48218f855479075dbf1020253d337d4301cf99ab88a

            SHA512

            e46b5b6f20c31d5e169902bb48ebc24b7cdc86f1be946de2cbd65e3f48cfda1132ded4c46c84559acf73ead38a2557b2b980f7912044f4152df3db9a041fb69d

          • \Users\Admin\AppData\Local\Temp\f7774e2.exe

            Filesize

            97KB

            MD5

            dfa9167434a4b2716b19ce69fca8f048

            SHA1

            fb0326859baedec54f7b9847e63270029d4342f8

            SHA256

            91acc0b0d585fea39b66be6aac75f245b051463c209d9a09c0922818661d5d0a

            SHA512

            36571def37ce5277c7e8bf121a7a1328372aa2f365bde458ac6422503e68af1ac18582a61f0160d58a4d8002e5da75411d16c16f2ecd66b027fd188ae2116416

          • memory/1104-22-0x0000000001C60000-0x0000000001C62000-memory.dmp

            Filesize

            8KB

          • memory/2496-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2496-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-6-0x0000000000160000-0x0000000000172000-memory.dmp

            Filesize

            72KB

          • memory/2496-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2496-87-0x0000000000160000-0x0000000000166000-memory.dmp

            Filesize

            24KB

          • memory/2496-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2496-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-52-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2496-51-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2496-76-0x0000000000470000-0x0000000000482000-memory.dmp

            Filesize

            72KB

          • memory/2496-30-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2496-29-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2496-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2560-106-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2560-137-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2560-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2696-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-101-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2696-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2696-109-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2696-138-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2696-174-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-183-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-65-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-68-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-69-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-70-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-71-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-86-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2744-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-40-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-89-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-91-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-39-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-42-0x00000000004C0000-0x00000000004C1000-memory.dmp

            Filesize

            4KB

          • memory/2744-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-158-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-61-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2744-56-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2744-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-13-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB