Analysis

  • max time kernel
    30s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 20:39

General

  • Target

    757c61e568bf43d98c0f406a68cbf8c54307454019b4eaa15cc91d616997dd2eN.exe

  • Size

    65KB

  • MD5

    e2fde55ed3a36ceaeced487d593567f0

  • SHA1

    cc6674c527fba97a57fc4147f306105f11d95c52

  • SHA256

    757c61e568bf43d98c0f406a68cbf8c54307454019b4eaa15cc91d616997dd2e

  • SHA512

    dc5ad824a1ac56310cadafbd151b651f63cfbd56098e68ac02f9751d3db935bd5c8bb77c1e654e1e3e41fc36e7d09d03fef735bd60140c2a4120be657132a6b8

  • SSDEEP

    1536:HFvTGJ3c0pSNoadUVLMZs+GU5pfbHD1VjqcMp5PvAGFwp:UJsSVLqF5pLcJep

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
  • 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 28 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 1 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 23 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1144
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Users\Admin\AppData\Local\Temp\757c61e568bf43d98c0f406a68cbf8c54307454019b4eaa15cc91d616997dd2eN.exe
            "C:\Users\Admin\AppData\Local\Temp\757c61e568bf43d98c0f406a68cbf8c54307454019b4eaa15cc91d616997dd2eN.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • 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:2636
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1616

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1096-18-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2636-36-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-69-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-5-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-30-0x0000000000850000-0x0000000000851000-memory.dmp

            Filesize

            4KB

          • memory/2636-32-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2636-31-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2636-9-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-27-0x0000000000850000-0x0000000000851000-memory.dmp

            Filesize

            4KB

          • memory/2636-26-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2636-6-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-8-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-7-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-4-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-37-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-3-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-34-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-33-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-103-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-10-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-12-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-39-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-40-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-42-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-44-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-57-0x0000000003E90000-0x0000000003E92000-memory.dmp

            Filesize

            8KB

          • memory/2636-56-0x0000000003EA0000-0x0000000003EA1000-memory.dmp

            Filesize

            4KB

          • memory/2636-58-0x0000000003E90000-0x0000000003E92000-memory.dmp

            Filesize

            8KB

          • memory/2636-59-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-65-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2636-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-72-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-73-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-76-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-35-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-104-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB