Analysis

  • max time kernel
    50s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 02:49

General

  • Target

    f5100890606375df60a4d34418e93f9d052ea71aa6d54b02afa85aa98ce03d6d.exe

  • Size

    437KB

  • MD5

    80f9cdfa52b6870a442deafc3b0a75ef

  • SHA1

    8abb794e460de56ca233e79bc3b21d0714bcd3cf

  • SHA256

    f5100890606375df60a4d34418e93f9d052ea71aa6d54b02afa85aa98ce03d6d

  • SHA512

    4b76f59a8823cc57efe7dd198c99c1d188b5f899e51ed9b4fbd87b1f55f48a242bf7930fdb2e2701dd847b73f6eb00fa7b7b6e999f2874ba485642bd9178f93d

  • SSDEEP

    12288:f7xu6seCKjYc12mrezbp25oSHUHf189U9safoc8J:fFCKMFmrezd27U/u90W

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 4 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 17 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1232
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1312
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1360
          • C:\Users\Admin\AppData\Local\Temp\f5100890606375df60a4d34418e93f9d052ea71aa6d54b02afa85aa98ce03d6d.exe
            "C:\Users\Admin\AppData\Local\Temp\f5100890606375df60a4d34418e93f9d052ea71aa6d54b02afa85aa98ce03d6d.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
            • Modifies Internet Explorer settings
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1764
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1356

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1764-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

                  Filesize

                  8KB

                • memory/1764-55-0x0000000002110000-0x000000000319E000-memory.dmp

                  Filesize

                  16.6MB

                • memory/1764-56-0x0000000000400000-0x0000000000568000-memory.dmp

                  Filesize

                  1.4MB

                • memory/1764-57-0x0000000002110000-0x000000000319E000-memory.dmp

                  Filesize

                  16.6MB

                • memory/1764-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/1764-59-0x00000000061E0000-0x00000000061E2000-memory.dmp

                  Filesize

                  8KB

                • memory/1764-60-0x0000000000400000-0x0000000000568000-memory.dmp

                  Filesize

                  1.4MB

                • memory/1764-61-0x0000000002110000-0x000000000319E000-memory.dmp

                  Filesize

                  16.6MB

                • memory/1764-62-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/1764-64-0x00000000061E0000-0x00000000061E2000-memory.dmp

                  Filesize

                  8KB

                • memory/1764-65-0x0000000000400000-0x0000000000568000-memory.dmp

                  Filesize

                  1.4MB

                • memory/1764-66-0x0000000002110000-0x000000000319E000-memory.dmp

                  Filesize

                  16.6MB