Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:20

General

  • Target

    02b1c0ccdc6e3ff0c9b89f0e445ab54c17592bc024d7a27e801cfd653866aa2f.exe

  • Size

    100KB

  • MD5

    0376e6c00b3ee614b67ad82c40e03cb0

  • SHA1

    be493029c315829dbf6d5268d8afb437619e7749

  • SHA256

    02b1c0ccdc6e3ff0c9b89f0e445ab54c17592bc024d7a27e801cfd653866aa2f

  • SHA512

    b25999bf3f677ff248962501ebaacd4878e502d50deda4abcbae6c779fa72ae915ba13a75990ad16da4fe57a41794444977e337cb8b914a2aa7b4a3c3f31d07a

  • SSDEEP

    3072:2LaFmsiW0Du9vpo/8DnE7dRU30mk8UHG8ralHF2:2+nL9vXoOVkVHx

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
  • 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:1120
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\02b1c0ccdc6e3ff0c9b89f0e445ab54c17592bc024d7a27e801cfd653866aa2f.exe
          "C:\Users\Admin\AppData\Local\Temp\02b1c0ccdc6e3ff0c9b89f0e445ab54c17592bc024d7a27e801cfd653866aa2f.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:2036
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1176

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2036-54-0x0000000075521000-0x0000000075523000-memory.dmp

          Filesize

          8KB

        • memory/2036-55-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

          Filesize

          16.6MB

        • memory/2036-56-0x0000000074551000-0x0000000074553000-memory.dmp

          Filesize

          8KB

        • memory/2036-57-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/2036-58-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

          Filesize

          16.6MB

        • memory/2036-59-0x00000000002C0000-0x00000000002C2000-memory.dmp

          Filesize

          8KB

        • memory/2036-60-0x0000000000520000-0x0000000000522000-memory.dmp

          Filesize

          8KB

        • memory/2036-61-0x0000000001EC0000-0x0000000002F4E000-memory.dmp

          Filesize

          16.6MB

        • memory/2036-62-0x00000000002C0000-0x00000000002C2000-memory.dmp

          Filesize

          8KB

        • memory/2036-63-0x0000000000520000-0x0000000000522000-memory.dmp

          Filesize

          8KB