Analysis

  • max time kernel
    151s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:49

General

  • Target

    b0e66fe0747634ee6474092077e2c39a9e6e4e434720b415c556348f92293b39.exe

  • Size

    243KB

  • MD5

    349b0d1a3449939d4f8e778aa5af881d

  • SHA1

    da1ae6474d6b6526449a3352307baae6b8050f7c

  • SHA256

    b0e66fe0747634ee6474092077e2c39a9e6e4e434720b415c556348f92293b39

  • SHA512

    c5c43c210dda96e4963d3f8eff8239addd72fbc8f760fbc636620eebad3c4d05311828a5b6f2ec3ad45864e3557bd84674393c8067a00f343251779dc44e3f1f

  • SSDEEP

    3072:3YgJesFiglPZ1yxyvZcMO/6T4nIB5B35c8aObB34vP8+bVNkfcYaMfs9E3hzlep:V5FplxAAZcR/6TkINJLxF3iNocsk01A

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/

http://klkjwre77638dfqwieuoi888.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 2 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
  • 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 20 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:1424
      • C:\Users\Admin\AppData\Local\Temp\b0e66fe0747634ee6474092077e2c39a9e6e4e434720b415c556348f92293b39.exe
        "C:\Users\Admin\AppData\Local\Temp\b0e66fe0747634ee6474092077e2c39a9e6e4e434720b415c556348f92293b39.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Windows security modification
        • Checks whether UAC is enabled
        • 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:1492
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1396
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1280

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

          Filesize

          8KB

        • memory/1492-56-0x0000000001000000-0x0000000001038000-memory.dmp

          Filesize

          224KB

        • memory/1492-55-0x0000000002440000-0x00000000034CE000-memory.dmp

          Filesize

          16.6MB

        • memory/1492-57-0x0000000075011000-0x0000000075013000-memory.dmp

          Filesize

          8KB

        • memory/1492-58-0x0000000000770000-0x0000000000772000-memory.dmp

          Filesize

          8KB

        • memory/1492-59-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

          Filesize

          8KB

        • memory/1492-60-0x0000000002440000-0x00000000034CE000-memory.dmp

          Filesize

          16.6MB

        • memory/1492-61-0x0000000000770000-0x0000000000772000-memory.dmp

          Filesize

          8KB

        • memory/1492-62-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

          Filesize

          8KB

        • memory/1492-63-0x0000000001000000-0x0000000001038000-memory.dmp

          Filesize

          224KB