Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 17:25

General

  • Target
    61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll
  • Size 120KB
  • Sample241216-vy9ehaxjdl
  • SHA256 61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3
  • MD5 SHA1 SHA512 SSDEEP

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 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1148
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ecd949c3524eb9f90463a66a67ac74b0d1681f12b9856154610f40aeb0ade3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1756
              • C:\Users\Admin\AppData\Local\Temp\f76d77b.exe
                C:\Users\Admin\AppData\Local\Temp\f76d77b.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:2108
              • C:\Users\Admin\AppData\Local\Temp\f76d93f.exe
                C:\Users\Admin\AppData\Local\Temp\f76d93f.exe
                4⤵
                • Executes dropped EXE
                PID:2416
              • C:\Users\Admin\AppData\Local\Temp\f76f69e.exe
                C:\Users\Admin\AppData\Local\Temp\f76f69e.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:2568
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1956

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                SYSTEM.INI

                • Path C:\Windows\SYSTEM.INI
                • Size 257B
                • SHA256 486b66c0a1af169f49b1489347def9a880d699e1af22ead13723ee533826990b
                • MD5 SHA1 SHA512

                f76d77b.exe

                • Path \Users\Admin\AppData\Local\Temp\f76d77b.exe
                • Size 97KB
                • SHA256 3300e32b56937fa0376cf5b91e5b4b372af0f720ee510deb8e8705b0eac6ec52
                • MD5 SHA1 SHA512 SSDEEP

                memory/1052-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

                memory/1756-1-0x0000000010000000-0x0000000010020000-memory.dmp

                memory/1756-78-0x00000000001C0000-0x00000000001D2000-memory.dmp

                memory/1756-75-0x00000000002B0000-0x00000000002B2000-memory.dmp

                memory/1756-36-0x00000000002C0000-0x00000000002C1000-memory.dmp

                memory/1756-44-0x00000000002C0000-0x00000000002C1000-memory.dmp

                memory/1756-55-0x00000000002B0000-0x00000000002B2000-memory.dmp

                memory/1756-56-0x00000000007E0000-0x00000000007F2000-memory.dmp

                memory/1756-57-0x00000000002B0000-0x00000000002B2000-memory.dmp

                memory/1756-8-0x00000000001C0000-0x00000000001D2000-memory.dmp

                memory/1756-35-0x00000000002B0000-0x00000000002B2000-memory.dmp

                memory/2108-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-81-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-10-0x0000000000400000-0x0000000000412000-memory.dmp

                memory/2108-45-0x0000000000520000-0x0000000000521000-memory.dmp

                memory/2108-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

                memory/2108-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-60-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-66-0x00000000003F0000-0x00000000003F2000-memory.dmp

                memory/2108-13-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-142-0x0000000000400000-0x0000000000412000-memory.dmp

                memory/2108-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-82-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-143-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-109-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-107-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-105-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-102-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2108-101-0x0000000000960000-0x0000000001A1A000-memory.dmp

                memory/2416-92-0x0000000000260000-0x0000000000262000-memory.dmp

                memory/2416-95-0x0000000000260000-0x0000000000262000-memory.dmp

                memory/2416-59-0x0000000000400000-0x0000000000412000-memory.dmp

                memory/2416-147-0x0000000000400000-0x0000000000412000-memory.dmp

                memory/2416-119-0x0000000000260000-0x0000000000262000-memory.dmp

                memory/2416-91-0x0000000000270000-0x0000000000271000-memory.dmp

                memory/2568-80-0x0000000000400000-0x0000000000412000-memory.dmp

                memory/2568-100-0x0000000000220000-0x0000000000222000-memory.dmp

                memory/2568-98-0x0000000000230000-0x0000000000231000-memory.dmp

                memory/2568-152-0x0000000000220000-0x0000000000222000-memory.dmp

                memory/2568-151-0x00000000009C0000-0x0000000001A7A000-memory.dmp

                memory/2568-203-0x0000000000400000-0x0000000000412000-memory.dmp

                memory/2568-202-0x00000000009C0000-0x0000000001A7A000-memory.dmp