Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-06-2022 17:57

General

  • Target

    1baca25c9f309057775ff330641bfa27dee52da11a0b0a9400ec12f1c6245928.exe

  • Size

    100KB

  • MD5

    ff925def8f5f61cb5cdd4fb66c84eb35

  • SHA1

    f009551871a7c2e2df95365e17dddaa0e201da11

  • SHA256

    1baca25c9f309057775ff330641bfa27dee52da11a0b0a9400ec12f1c6245928

  • SHA512

    e8841a39a5067c236db34d8dca9431fd420a1f62fe7be2aef92812fac050090eba642ac7dd9725416d5e7a65ab01a8dcf6901060a32f9bf37f300262c5daf5df

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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1244
      • C:\Users\Admin\AppData\Local\Temp\1baca25c9f309057775ff330641bfa27dee52da11a0b0a9400ec12f1c6245928.exe
        "C:\Users\Admin\AppData\Local\Temp\1baca25c9f309057775ff330641bfa27dee52da11a0b0a9400ec12f1c6245928.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:1356
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1116

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1356-54-0x0000000076191000-0x0000000076193000-memory.dmp
          Filesize

          8KB

        • memory/1356-55-0x0000000001E10000-0x0000000002E9E000-memory.dmp
          Filesize

          16.6MB

        • memory/1356-56-0x0000000000400000-0x0000000000414000-memory.dmp
          Filesize

          80KB

        • memory/1356-57-0x0000000001E10000-0x0000000002E9E000-memory.dmp
          Filesize

          16.6MB

        • memory/1356-58-0x0000000074531000-0x0000000074533000-memory.dmp
          Filesize

          8KB

        • memory/1356-59-0x00000000003A0000-0x00000000003A2000-memory.dmp
          Filesize

          8KB

        • memory/1356-60-0x0000000003D70000-0x0000000003D72000-memory.dmp
          Filesize

          8KB

        • memory/1356-61-0x0000000001E10000-0x0000000002E9E000-memory.dmp
          Filesize

          16.6MB

        • memory/1356-62-0x00000000003A0000-0x00000000003A2000-memory.dmp
          Filesize

          8KB

        • memory/1356-63-0x0000000003D70000-0x0000000003D72000-memory.dmp
          Filesize

          8KB

        • memory/1356-64-0x0000000000400000-0x0000000000414000-memory.dmp
          Filesize

          80KB