Analysis

  • max time kernel
    149s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2022 23:35

General

  • Target

    4b88d171a18f5c8156eea1a1ec3ea8391aa5270a3b622ec2125b42c4e60b0669.exe

  • Size

    382KB

  • MD5

    6e0dbe50fc2413946260ec860ae38baa

  • SHA1

    4ec71f7ed4c69c87b2c9614f0e1b0ba3eadd493f

  • SHA256

    4b88d171a18f5c8156eea1a1ec3ea8391aa5270a3b622ec2125b42c4e60b0669

  • SHA512

    e7ca1981b33aa645fe7d2abe308ef21bc0fe3ba954b9d2cb148afd3cc9d0554b78b235a208af979f24c5f1532cfbca73bffed185a09dddac04aa34ebe4ec055e

  • SSDEEP

    6144:Pnl7w3YXj5OqQhi01bPaf1wNT5Ab6+Qd4YA11azRAZYk0IKDMK6Uv:Pn+3GcJ1bSqdw67A11cRAZnqwh8

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 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 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1240
      • C:\Users\Admin\AppData\Local\Temp\4b88d171a18f5c8156eea1a1ec3ea8391aa5270a3b622ec2125b42c4e60b0669.exe
        "C:\Users\Admin\AppData\Local\Temp\4b88d171a18f5c8156eea1a1ec3ea8391aa5270a3b622ec2125b42c4e60b0669.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:1376
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1376-54-0x0000000075091000-0x0000000075093000-memory.dmp

          Filesize

          8KB

        • memory/1376-55-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1376-56-0x0000000000400000-0x00000000004E0000-memory.dmp

          Filesize

          896KB

        • memory/1376-57-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1376-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

          Filesize

          8KB

        • memory/1376-59-0x0000000005360000-0x0000000005362000-memory.dmp

          Filesize

          8KB

        • memory/1376-60-0x0000000000400000-0x00000000004E0000-memory.dmp

          Filesize

          896KB

        • memory/1376-61-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1376-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

          Filesize

          8KB

        • memory/1376-63-0x0000000005360000-0x0000000005362000-memory.dmp

          Filesize

          8KB