Analysis

  • max time kernel
    30s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 11:17

General

  • Target

    860abc8a961f081aa6326f410e13b7cb37891d8c65c0c7291bf5835a7b54b69f.exe

  • Size

    188KB

  • MD5

    450f8df857b0c5d33940ef5a39017a20

  • SHA1

    dc40d4c5eaca3cf3fae39d4e6fa7820b97ab4342

  • SHA256

    860abc8a961f081aa6326f410e13b7cb37891d8c65c0c7291bf5835a7b54b69f

  • SHA512

    1cabe4707946b7292a4679662a02e1bc7c2cb63231976e744a7287c8c965e9909dc4fe92731dea9d4978ec87fbe3333682aa1df4340064abc58a7ded7175f5e8

  • SSDEEP

    3072:AO/v6eek9XuSHtiJ0hhEKKua3k1jATgmmJBTu3+YINnvYo2:AO/lnVNFEKVEk4wFuZINAo2

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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 3 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 5 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\860abc8a961f081aa6326f410e13b7cb37891d8c65c0c7291bf5835a7b54b69f.exe
    "C:\Users\Admin\AppData\Local\Temp\860abc8a961f081aa6326f410e13b7cb37891d8c65c0c7291bf5835a7b54b69f.exe"
    1⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1848
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1256
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1208
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1140
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1996
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:524

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1848-54-0x0000000075241000-0x0000000075243000-memory.dmp

              Filesize

              8KB

            • memory/1848-55-0x0000000000760000-0x00000000017EE000-memory.dmp

              Filesize

              16.6MB

            • memory/1848-56-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/1848-58-0x00000000003A0000-0x00000000003A2000-memory.dmp

              Filesize

              8KB

            • memory/1848-57-0x0000000000760000-0x00000000017EE000-memory.dmp

              Filesize

              16.6MB

            • memory/1848-59-0x0000000004740000-0x0000000004742000-memory.dmp

              Filesize

              8KB

            • memory/1848-60-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/1848-61-0x0000000000760000-0x00000000017EE000-memory.dmp

              Filesize

              16.6MB