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General

  • Target

    svchost.exe

  • Size

    409KB

  • Sample

    240806-3khcvstgqq

  • MD5

    e8d65fc5ddc235ab81a78b0caebe13c8

  • SHA1

    f2200ae68ba21fbbf7e854281e4ab636e3a256e3

  • SHA256

    41ed0732dc7032c3e345ea7dfa9522803d2b306e1ef149ebdd74f7ecfe9f17e8

  • SHA512

    afe6cf22e57eac8589d1e2fbf198eee75795969a5f2e81a804a2569e411a16a161d618e7edc2b816ec55b0bfba4ea9c33f017af51d6f382076c517ab7b93f30c

  • SSDEEP

    12288:qpiREGJMIexhVD+R5aa9vM4DRShuISW2JM:uwpJUi39vM4DRAuQ

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

dating-mpegs.gl.at.ply.gg:6566

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes
  • encryption_key

    M1SAZZUtbnQqZ8RvEnLb

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      svchost.exe

    • Size

      409KB

    • MD5

      e8d65fc5ddc235ab81a78b0caebe13c8

    • SHA1

      f2200ae68ba21fbbf7e854281e4ab636e3a256e3

    • SHA256

      41ed0732dc7032c3e345ea7dfa9522803d2b306e1ef149ebdd74f7ecfe9f17e8

    • SHA512

      afe6cf22e57eac8589d1e2fbf198eee75795969a5f2e81a804a2569e411a16a161d618e7edc2b816ec55b0bfba4ea9c33f017af51d6f382076c517ab7b93f30c

    • SSDEEP

      12288:qpiREGJMIexhVD+R5aa9vM4DRShuISW2JM:uwpJUi39vM4DRAuQ

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks