Analysis

  • max time kernel
    20s
  • 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 22:52

General

  • Target

    788e2ff936c952126aa6fb15318e3a894deb71d8d194dec84daf2eeb8d2755a8.dll

  • Size

    120KB

  • MD5

    bdc70e8f95c42e3b4453df15885504fa

  • SHA1

    908822a9c557f512b792f6a200342cb214320558

  • SHA256

    788e2ff936c952126aa6fb15318e3a894deb71d8d194dec84daf2eeb8d2755a8

  • SHA512

    d50b47d226cdd10a573c2007c705beeb0895439a3fcb71af4edef028f18d5441d19484ae7c4eaa38e65ae96446aef1110ecc3e88a0d8eeb6b00508eb9026ecfb

  • SSDEEP

    3072:Vg2lFovtoEit9B4uTCtWBpaROfpVvCPMYWV0q:VbyVC9p2tWBqSaPMYWW

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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 26 IoCs

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

  • Drops file in Windows directory 2 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 30 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\788e2ff936c952126aa6fb15318e3a894deb71d8d194dec84daf2eeb8d2755a8.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2400
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\788e2ff936c952126aa6fb15318e3a894deb71d8d194dec84daf2eeb8d2755a8.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2172
              • C:\Users\Admin\AppData\Local\Temp\f775947.exe
                C:\Users\Admin\AppData\Local\Temp\f775947.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\f775afc.exe
                C:\Users\Admin\AppData\Local\Temp\f775afc.exe
                4⤵
                • Executes dropped EXE
                PID:2584
              • C:\Users\Admin\AppData\Local\Temp\f7776d5.exe
                C:\Users\Admin\AppData\Local\Temp\f7776d5.exe
                4⤵
                • Executes dropped EXE
                PID:3000
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • \Users\Admin\AppData\Local\Temp\f775947.exe

            Filesize

            97KB

            MD5

            d69b6827251e3c6758ab9bb431bfe031

            SHA1

            929821ace57937c5049892a4328f149c139f73a4

            SHA256

            2e921d12baf7fed935b38fd862fe97de348c9fe3c601c4772408a75990932b62

            SHA512

            fb7007c3115b243af728403f3f65e643d362abc5d3989e31f10f888789f421e4bf5fb8dd6ce36bdbf84174e3842a4c19cff7156c1542313738694a71c938fc6f

          • memory/1108-32-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2172-88-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2172-63-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-12-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2172-84-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-8-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2172-43-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2172-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-52-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2172-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-65-0x0000000000360000-0x0000000000372000-memory.dmp

            Filesize

            72KB

          • memory/2172-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2172-42-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2584-69-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-74-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-53-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2744-25-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-55-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2744-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-57-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2744-26-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-70-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-72-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-24-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-75-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-76-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-90-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2744-146-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-91-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-94-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-96-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-104-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-106-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-108-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-113-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3000-92-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3000-89-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB