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Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 13:06

General

  • Target

    67b1d1419e431b2e5a1cd72cc01a05693ce77d44483e36376ba153784f4a5f15.exe

  • Size

    100KB

  • MD5

    ebb8d90fcf8a90e45f37988921164f32

  • SHA1

    7c9a4499610d635c0780f3d1b21b4ab364bc0568

  • SHA256

    67b1d1419e431b2e5a1cd72cc01a05693ce77d44483e36376ba153784f4a5f15

  • SHA512

    a0f18cbb0e1ad6743330b1ceb73c59199553c535e632f70fcf715e9b7b86ce4c97d6a97771d6ad2cc23fa0e99a4d3eff24d007e7262baec36ebc490bb92aaf27

  • SSDEEP

    1536:qK8hVQPTc+MZSPbpd4A9I3580nyH8c6rd8ogw33pk50QY+GwL:qKsVl+DPbp6A2p1yHK58Ipk57Y+G

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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Users\Admin\AppData\Local\Temp\67b1d1419e431b2e5a1cd72cc01a05693ce77d44483e36376ba153784f4a5f15.exe
            "C:\Users\Admin\AppData\Local\Temp\67b1d1419e431b2e5a1cd72cc01a05693ce77d44483e36376ba153784f4a5f15.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 WriteProcessMemory
            • System policy modification
            PID:2008

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2008-54-0x00000000760D1000-0x00000000760D3000-memory.dmp

          Filesize

          8KB

        • memory/2008-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2008-56-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/2008-58-0x00000000007D0000-0x00000000007D2000-memory.dmp

          Filesize

          8KB

        • memory/2008-57-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/2008-59-0x0000000074D91000-0x0000000074D93000-memory.dmp

          Filesize

          8KB

        • memory/2008-61-0x00000000007D0000-0x00000000007D2000-memory.dmp

          Filesize

          8KB

        • memory/2008-60-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB