Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 01:20

General

  • Target

    8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d.dll

  • Size

    120KB

  • MD5

    7d02eae10f6bf8a4b0acf68257c01b55

  • SHA1

    a6101f067956881d067280589d9ee85cf59f8b73

  • SHA256

    8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d

  • SHA512

    28afbac3794f09ee536c43fec171533eb8272afad9871d3881829369686f907860b4cf47acd89fc221abb58c55683bfdbd2fc210c0e00a79a04e82cd5687aa9e

  • SSDEEP

    3072:oDDOLrPp4/NDogsuBPkE2U1Xsb1+zNLKU/Ulz:oJ5oRgPkE24E+p2+Gz

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 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:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2856
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8121edee937ebeb02f1ab5c67e0a52f22c4d0dc7a33b7a765d594f6290535f9d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2352
              • C:\Users\Admin\AppData\Local\Temp\f7778c8.exe
                C:\Users\Admin\AppData\Local\Temp\f7778c8.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:2456
              • C:\Users\Admin\AppData\Local\Temp\f777c41.exe
                C:\Users\Admin\AppData\Local\Temp\f777c41.exe
                4⤵
                • Executes dropped EXE
                PID:2708
              • C:\Users\Admin\AppData\Local\Temp\f7795d9.exe
                C:\Users\Admin\AppData\Local\Temp\f7795d9.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:1788
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:952

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7778c8.exe

            Filesize

            97KB

            MD5

            3a50cec4e14bc67fcf2431fb103395e7

            SHA1

            5d6c2b391eba945ec74fdb0171b9eb62c411df40

            SHA256

            01ec78c58caf18f6d10c75cff757154a6087ee67e0a5f02cd031a1c210a35f01

            SHA512

            648b3699b9528c29c99eebed6ed3c4980dab5d3882eea9bb319c1e1415f40e3d920757f872808a3906cf7baa892f5ae163de0164bd1bf7a2235e6e9cce3433fc

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            23dc5432d5012c1fb813c0f39de0a80d

            SHA1

            0a785df34769b0becd2b4a225cbf9bbd69f6606d

            SHA256

            fa7bc93eb79fbcbb0b036ab60d5ae4eb33078eb6526c86d71efea79c79feddbb

            SHA512

            b21b44e7215f94756d3940c0203da4d382a9dc6d29ae03bd8392e18ca0fe0054626eb76394b697f50ed6505be3735cc89f6549ffd1459fc3d9ad7ebded87d302

          • memory/1084-27-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/1788-164-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1788-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1788-210-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1788-165-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1788-110-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2352-57-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-36-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2352-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-72-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/2352-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-78-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2352-45-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2352-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2456-21-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-85-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-50-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/2456-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-61-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-62-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-15-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-63-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-64-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-66-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-65-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-81-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-48-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/2456-71-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/2456-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-84-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2456-87-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-88-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-11-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-16-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-46-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2456-14-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-13-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-154-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2708-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2708-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2708-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2708-101-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2708-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB