Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 01:16

General

  • Target

    6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7.dll

  • Size

    120KB

  • MD5

    69ea2880a13566a276199db0d11f0838

  • SHA1

    c57e8abb5eb304d90cde39d2ff1739819788be16

  • SHA256

    6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7

  • SHA512

    f2bf545266db4bfaad72725bf305cc411c1e9a1e11774f8766611cffba91b4d61c037a6401745665e0e26c566a39e1678a70fa185a3f951bb54dcf5ba68aca45

  • SSDEEP

    1536:LYqHOpkotPL0TAEkuopNquAYRmoetCaAYTmWfn7Kfw4ND6YyzNCNi7O2jX06SQ:LJupkoFRzuwouAdoe37+wMDhw0g

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 14 IoCs

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

  • UPX packed file 22 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 24 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1132
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1272
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2240
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6fd8aa7240b5ac7871598b4b3619a8f73262d94513603b38dd9523294637b7b7.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1688
              • C:\Users\Admin\AppData\Local\Temp\f76ce09.exe
                C:\Users\Admin\AppData\Local\Temp\f76ce09.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:2580
              • C:\Users\Admin\AppData\Local\Temp\f76d069.exe
                C:\Users\Admin\AppData\Local\Temp\f76d069.exe
                4⤵
                • Executes dropped EXE
                PID:2836
              • C:\Users\Admin\AppData\Local\Temp\f76e84c.exe
                C:\Users\Admin\AppData\Local\Temp\f76e84c.exe
                4⤵
                • Executes dropped EXE
                PID:2740
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1580

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • \Users\Admin\AppData\Local\Temp\f76ce09.exe

            Filesize

            97KB

            MD5

            2653a5b0d07e7adea92f7cfec33388a3

            SHA1

            1bfabb17b5c54af21028563b3949975244fef658

            SHA256

            d4ab670b80ccc857fc68815dd6ea4edaaebf5baaa675e916d6c00c4a373408a4

            SHA512

            260a02be30c2a565e8752f2aa535d98e7243bdefb9f5f3ed8c04fae544830a226c9eb201b1dfc988ee022ba3d693f18059bb56dd425c72908351c4c04a93f202

          • memory/1132-22-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/1688-31-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1688-61-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1688-6-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/1688-12-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/1688-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-53-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1688-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-60-0x00000000006D0000-0x00000000006E2000-memory.dmp

            Filesize

            72KB

          • memory/1688-32-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/1688-79-0x0000000000240000-0x0000000000242000-memory.dmp

            Filesize

            8KB

          • memory/1688-81-0x0000000000110000-0x0000000000116000-memory.dmp

            Filesize

            24KB

          • memory/1688-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-43-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2580-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-44-0x0000000000360000-0x0000000000361000-memory.dmp

            Filesize

            4KB

          • memory/2580-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-27-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-41-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-42-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-70-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-159-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-62-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2580-58-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2580-84-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-85-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-87-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/2580-88-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-90-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-91-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2580-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-110-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2740-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2740-108-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2740-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2740-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-167-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2836-103-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2836-102-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2836-129-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2836-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB