Analysis

  • max time kernel
    76s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 22:53

General

  • Target

    fb43e78ccfdfa1c3e466efa7d82230270eee3e92d9d1ac46ef2f79237acf1d0aN.dll

  • Size

    120KB

  • MD5

    e52b7af8610c08a7e6373c2c82c2dd50

  • SHA1

    b30da47970389775fc5c5f839169b3e92fad543e

  • SHA256

    fb43e78ccfdfa1c3e466efa7d82230270eee3e92d9d1ac46ef2f79237acf1d0a

  • SHA512

    fb90176288b74f41a2e74551000c9311a92a105cb36db9f47e30bab0d841162c7f1888e23dfbf2a5778b48cc944bdcc46998a9135810844c0ad15ab7e14d1289

  • SSDEEP

    1536:/A7r/+1mKCU80K6kL/5VyHrtquOkuoq5MS8NB4+E95oCS:C+p1kLit/Ol8lGf

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 6 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 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb43e78ccfdfa1c3e466efa7d82230270eee3e92d9d1ac46ef2f79237acf1d0aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2848
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb43e78ccfdfa1c3e466efa7d82230270eee3e92d9d1ac46ef2f79237acf1d0aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2456
              • C:\Users\Admin\AppData\Local\Temp\f76d28b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d28b.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:2524
              • C:\Users\Admin\AppData\Local\Temp\f76d44f.exe
                C:\Users\Admin\AppData\Local\Temp\f76d44f.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 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\f76ef20.exe
                C:\Users\Admin\AppData\Local\Temp\f76ef20.exe
                4⤵
                • Executes dropped EXE
                PID:2552
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:792

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            db69cf3db7acce8e204fb557ef40e19c

            SHA1

            2df491289219e42927cb85cdd8b709bbf5b4ec85

            SHA256

            f199b7532c37a9898c445a3b0b41a24aabcfa2d27085e771cb8ced4caac8ac4e

            SHA512

            1f9a22842edf445e420a3d007f8b92c63023ae36721492d5fd394ebd9a231f5ccafac64a4bc6db0153bf306b76ea3077c56b87dfa81989fe835fdf8608b6c01c

          • \Users\Admin\AppData\Local\Temp\f76d28b.exe

            Filesize

            97KB

            MD5

            cb8cf56e8278db02e602c9683d97bad8

            SHA1

            85d4cd35fdbc9325edc2182bb62197ec2f4060e9

            SHA256

            94ffaf49c824794737cafe4336716147a9a070f29c3f05e4091eeb8685027123

            SHA512

            449b869e73438b3f9cea59913843691754f261b07293d93a87cd37868ce7cb30dee08c0ce6276d0fabab7e2eedcdfd507f01b68fc2ac67fbe25a049862b5313b

          • memory/1108-28-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2456-74-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2456-72-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/2456-73-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/2456-34-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2456-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2456-50-0x00000000003A0000-0x00000000003B2000-memory.dmp

            Filesize

            72KB

          • memory/2456-35-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2456-56-0x00000000003A0000-0x00000000003B2000-memory.dmp

            Filesize

            72KB

          • memory/2456-57-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2456-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2456-43-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2524-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-106-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-13-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-60-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2524-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-61-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-63-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2524-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-11-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-130-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-112-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-77-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-110-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-44-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2524-105-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-100-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-93-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-97-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-98-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2524-99-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2552-92-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2552-170-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2552-94-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2552-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2552-95-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2744-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2744-88-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2744-86-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2744-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-143-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-166-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-165-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-87-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB