Analysis

  • max time kernel
    153s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 01:49

General

  • Target

    67a1c612d88f24e48e04a1d3c5055b5f1b62c420913ec26595bb6b1c50eac21f.exe

  • Size

    734KB

  • MD5

    92eac3342928472fd8411e969b66fb8d

  • SHA1

    380586cef3dfa11d0dc2e3979cc308844fceccb9

  • SHA256

    67a1c612d88f24e48e04a1d3c5055b5f1b62c420913ec26595bb6b1c50eac21f

  • SHA512

    f82e91972bb5815cef29a228d89f869ab9649590042f167276c1a4fad3ebfd592bc11c2c48f15329537e7637d07979902f1fa9f4ac5b605b6d3b5e2323af1886

  • SSDEEP

    12288:9yu43PwGcroz5yF26jTpv9mKWRPkOHyzIdZwcsAL:9yu47R5yF26ZvkyV8LRL

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • 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 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1412
      • C:\Users\Admin\AppData\Local\Temp\67a1c612d88f24e48e04a1d3c5055b5f1b62c420913ec26595bb6b1c50eac21f.exe
        "C:\Users\Admin\AppData\Local\Temp\67a1c612d88f24e48e04a1d3c5055b5f1b62c420913ec26595bb6b1c50eac21f.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • 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 SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:984
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1336
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1260

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/984-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

                Filesize

                8KB

              • memory/984-55-0x0000000002030000-0x00000000030BE000-memory.dmp

                Filesize

                16.6MB

              • memory/984-56-0x0000000000400000-0x00000000004BA000-memory.dmp

                Filesize

                744KB

              • memory/984-57-0x0000000002030000-0x00000000030BE000-memory.dmp

                Filesize

                16.6MB

              • memory/984-58-0x0000000000610000-0x0000000000612000-memory.dmp

                Filesize

                8KB

              • memory/984-59-0x0000000004330000-0x0000000004332000-memory.dmp

                Filesize

                8KB

              • memory/984-60-0x0000000002030000-0x00000000030BE000-memory.dmp

                Filesize

                16.6MB

              • memory/984-61-0x0000000000610000-0x0000000000612000-memory.dmp

                Filesize

                8KB

              • memory/984-62-0x0000000004330000-0x0000000004332000-memory.dmp

                Filesize

                8KB

              • memory/984-63-0x0000000000400000-0x00000000004BA000-memory.dmp

                Filesize

                744KB