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Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 01:31

General

  • Target

    6efc79c80b3d0804763ec5321226c06ae06c823ec14ead52bb761a2bcbd28309.dll

  • Size

    120KB

  • MD5

    3be5eaa3f016bc06476a76924ed1547c

  • SHA1

    3e888357658004fa4ca0a7d5130321b286dbf929

  • SHA256

    6efc79c80b3d0804763ec5321226c06ae06c823ec14ead52bb761a2bcbd28309

  • SHA512

    558a40319588680d5a9f1112d1cf3c894f09a7a566ea12b8972fd9d9795708c9e47069d6c848df2877d2441e7c1e9b4832871c83215cb1a9e57756692f64c822

  • SSDEEP

    1536:l/P52nsL5HSF1J5IzhUKlCIMABg5pEeawdUKaQfCDzrPde3V9ehz8RtENWtbAJ:lp2sL52KlmABW9VUKanDPPk3V9GIbt0J

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 23 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 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6efc79c80b3d0804763ec5321226c06ae06c823ec14ead52bb761a2bcbd28309.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2748
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6efc79c80b3d0804763ec5321226c06ae06c823ec14ead52bb761a2bcbd28309.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2036
              • C:\Users\Admin\AppData\Local\Temp\f766410.exe
                C:\Users\Admin\AppData\Local\Temp\f766410.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:2876
              • C:\Users\Admin\AppData\Local\Temp\f766577.exe
                C:\Users\Admin\AppData\Local\Temp\f766577.exe
                4⤵
                • Executes dropped EXE
                PID:588
              • C:\Users\Admin\AppData\Local\Temp\f767fca.exe
                C:\Users\Admin\AppData\Local\Temp\f767fca.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:2988
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1696

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3323a144613fab25b7c5767149f814a6

            SHA1

            0832387352105883c7f25cf9c297f17bdfc43722

            SHA256

            fc10cfdc6dd35e39299dc4795e434f52fb001ecd7e220a6607ffcd98cb4fd698

            SHA512

            9a118b7bd9c36e126606145ae883cdd35e4fbf2b19c99b6a9a9c6b799233162c3ae2cf7c8584e918f4a6be02d01f48e84d3205bd7b0a83bfcb1581e40a4420a3

          • \Users\Admin\AppData\Local\Temp\f766410.exe

            Filesize

            97KB

            MD5

            4920ffd1905015943bd29271b349166f

            SHA1

            1f3ca4b8dc366f63ab8d0eb33f1a80d5ae27f91a

            SHA256

            5e3b3d4c0f4625232f861d6e749af6e42cbca3959825e5815fac172764a82169

            SHA512

            6f1d7ac69af2d551deddddbb5d0a14225b2a47f3d147bc30b753391ff84744a527d430d81d1296b307eb9c72bb50eb4de117db1687501361b008ab7c4a511bc1

          • memory/588-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/588-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/588-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/588-167-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/588-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1120-30-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2036-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-84-0x00000000004D0000-0x00000000004E2000-memory.dmp

            Filesize

            72KB

          • memory/2036-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2036-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2036-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2036-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2036-62-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2036-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2036-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2876-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2876-83-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2876-23-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-24-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-20-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-17-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-65-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-66-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-67-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-68-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-69-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-71-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-72-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-50-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2876-21-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2876-18-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-87-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-89-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-91-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2876-16-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-22-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-15-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-19-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-163-0x0000000000650000-0x000000000170A000-memory.dmp

            Filesize

            16.7MB

          • memory/2876-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-141-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2988-112-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2988-181-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-220-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-219-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB