Analysis

  • max time kernel
    124s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 01:03

General

  • Target

    096eb0c725070338126410d5eff1f88a.exe

  • Size

    97KB

  • MD5

    096eb0c725070338126410d5eff1f88a

  • SHA1

    428bfe9af07890ce1ee343781b23171226b20879

  • SHA256

    6c4d432e43117c4ddcb3809378666ab80cf0a4072bd8ff338537d43fd2ad3670

  • SHA512

    7896e9f19d57d3fd00749f55ff7930980a36e5e3ec09bded14abf19c53ac2f604b1d71af5f82374d2ddfc12ddee83a9105cfefd26bdbae8f943be4935545a5de

  • SSDEEP

    1536:d0yZhWt3yApzMC7lQsmSh0ZVgeBcRcm2l3bdIQIF2uskYju4vkBLob1JUa3z:d0yjUyIIC7lQsmTXnO+3TCBatbbU

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 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 30 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:1072
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1284
        • C:\Users\Admin\AppData\Local\Temp\096eb0c725070338126410d5eff1f88a.exe
          "C:\Users\Admin\AppData\Local\Temp\096eb0c725070338126410d5eff1f88a.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops autorun.inf file
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1204
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1220
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1124

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\prpxwf.exe

            Filesize

            30KB

            MD5

            d50eee6b1fac5b8bbdb32d9313ecb3fd

            SHA1

            09638e65e94d0535db9c10ef50c3535a16faf238

            SHA256

            8017c724640b0d6427e38b4589cc72456b598b91f6e2e6ffa20edca99f30578c

            SHA512

            9c8ff7d30803f52aa46912963124c88a80ca3a8654185069e21cf654e2ce7342f9ce9fff809854b1cb8ca38d473c01fb478e46ac75ed481ca263c6d2fb5efc64

          • memory/1124-7-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1204-32-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-6-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1204-33-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-3-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-8-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-17-0x00000000040C0000-0x00000000040C1000-memory.dmp

            Filesize

            4KB

          • memory/1204-19-0x00000000040C0000-0x00000000040C1000-memory.dmp

            Filesize

            4KB

          • memory/1204-16-0x0000000003F70000-0x0000000003F72000-memory.dmp

            Filesize

            8KB

          • memory/1204-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-24-0x0000000003F70000-0x0000000003F72000-memory.dmp

            Filesize

            8KB

          • memory/1204-30-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-31-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-5-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-34-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-4-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-36-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-37-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-38-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-40-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-46-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-48-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-50-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-52-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-56-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-71-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-77-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-79-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1204-89-0x0000000003F70000-0x0000000003F72000-memory.dmp

            Filesize

            8KB

          • memory/1204-1-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB