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Analysis

  • max time kernel
    149s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 07:12

General

  • Target

    83ca7c2a8bff843544dc8f86175f61bdf97552dcc3bc140ea5666ed5b0435566.exe

  • Size

    127KB

  • MD5

    9f47d869f94b53dfa942f1e60d65a674

  • SHA1

    1c76b5c71eaee9a0e84a4c194bc8cf2bfcbb3bd5

  • SHA256

    83ca7c2a8bff843544dc8f86175f61bdf97552dcc3bc140ea5666ed5b0435566

  • SHA512

    d615e2b75efbf9b2962438d011042974e5c3b4ec4d31415c99ed443268ef8a43ef18af428518c586ab3d6836eb9c66451a4775f1c85d09db49651c7fb51a560b

  • SSDEEP

    1536:gGqOVHe2VHB/swO95P1PDz99mH/U4pIAukGV6XB6/IclavbeG3/wbHBf7XmzNVVX:Xech0D95FnLmH/1g5YRtvbeG3uHMl

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 21 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 5 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 19 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1224
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1148
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Users\Admin\AppData\Local\Temp\83ca7c2a8bff843544dc8f86175f61bdf97552dcc3bc140ea5666ed5b0435566.exe
            "C:\Users\Admin\AppData\Local\Temp\83ca7c2a8bff843544dc8f86175f61bdf97552dcc3bc140ea5666ed5b0435566.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:1424

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1424-54-0x0000000076151000-0x0000000076153000-memory.dmp

          Filesize

          8KB

        • memory/1424-55-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/1424-56-0x0000000001E40000-0x0000000002ECE000-memory.dmp

          Filesize

          16.6MB

        • memory/1424-57-0x0000000001E40000-0x0000000002ECE000-memory.dmp

          Filesize

          16.6MB

        • memory/1424-58-0x0000000000260000-0x0000000000262000-memory.dmp

          Filesize

          8KB

        • memory/1424-59-0x0000000074721000-0x0000000074723000-memory.dmp

          Filesize

          8KB

        • memory/1424-60-0x0000000004110000-0x0000000004112000-memory.dmp

          Filesize

          8KB

        • memory/1424-61-0x0000000001E40000-0x0000000002ECE000-memory.dmp

          Filesize

          16.6MB

        • memory/1424-62-0x0000000000260000-0x0000000000262000-memory.dmp

          Filesize

          8KB

        • memory/1424-63-0x0000000004110000-0x0000000004112000-memory.dmp

          Filesize

          8KB

        • memory/1424-64-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB