Analysis

  • max time kernel
    29s
  • 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 22:22

General

  • Target

    e5549cb15796422cd499c591d04fe003ef46dbc63da2b688d27bde9393ae5a4f.dll

  • Size

    120KB

  • MD5

    507b2d1563401849378a3801cf6d20eb

  • SHA1

    8ab5680fde3e2d69bfcc1baa2a7ba923117a07fa

  • SHA256

    e5549cb15796422cd499c591d04fe003ef46dbc63da2b688d27bde9393ae5a4f

  • SHA512

    3f95897bdff8c506e25c47eb03c613c39e6c92d63ba6b0cf8b87b87f8f7f330e74a4e3a9059e1042fe2b0e0a5f0fdd7696458e0736e1d1b0298f429fd1011caf

  • SSDEEP

    1536:Aft0NdWtumLEy8CWDMvdnO1BoXmXT+MZWry9x21yffIXX2GcDloC6mzilC0zRz3j:guCl2r6NO1AmD+AWry06sC/ulC0lTWc

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 18 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: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\e5549cb15796422cd499c591d04fe003ef46dbc63da2b688d27bde9393ae5a4f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5549cb15796422cd499c591d04fe003ef46dbc63da2b688d27bde9393ae5a4f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Users\Admin\AppData\Local\Temp\f7758bb.exe
                C:\Users\Admin\AppData\Local\Temp\f7758bb.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:2776
              • C:\Users\Admin\AppData\Local\Temp\f775a8f.exe
                C:\Users\Admin\AppData\Local\Temp\f775a8f.exe
                4⤵
                • Executes dropped EXE
                PID:2584
              • C:\Users\Admin\AppData\Local\Temp\f777a4e.exe
                C:\Users\Admin\AppData\Local\Temp\f777a4e.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:2792
        • 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

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a56b475ccfd1648331fdf79d2d4e5edb

            SHA1

            fecc1393043324598443b352233af4b60a0dafda

            SHA256

            4ef283c47b2040c40df72d745f65112630972688e6af621a484e47df705246d1

            SHA512

            82a33b017ee3966033b1c52971e0d574b185c97897c0e1bf084adf352a06ad33da11c08c3e45e1cb529cc43bd1d241725c3e64cd0a15991263e651545f7e83fc

          • \Users\Admin\AppData\Local\Temp\f7758bb.exe

            Filesize

            97KB

            MD5

            907987b3deb81b1e0824a0ceaed76ad9

            SHA1

            ee78868b1f18e4c9d974d69e80512fc5de53b290

            SHA256

            68932319b942217ef4a269234e34a29c5c71acbc237fc25401bc12b6572fd0be

            SHA512

            1ed1e76eb2ecde6db266b2d888d2038a3297256e5313dd74f1933709dcab394804045ac74e6a536e752e218ac6360f45612d454a8f945eb17c89635558227bf7

          • memory/1108-27-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2124-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-41-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2124-6-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2124-63-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/2124-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-64-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2124-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2124-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-50-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2124-88-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2124-40-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2584-104-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2584-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2584-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2584-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-75-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-51-0x0000000001860000-0x0000000001861000-memory.dmp

            Filesize

            4KB

          • memory/2776-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2776-23-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-54-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2776-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-25-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-68-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-69-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-70-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-67-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-72-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-73-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-74-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-24-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-91-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2776-77-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-93-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-157-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2792-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2792-109-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2792-163-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2792-90-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2792-216-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2792-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB