General

  • Target

    112s

  • Size

    549KB

  • Sample

    240103-2vav4aedh2

  • MD5

    f9191bab1e834d4aef3380700639cee9

  • SHA1

    9c20269df6694260a24ac783de2e30d627a6928a

  • SHA256

    ea40ecec0b30982fbb1662e67f97f0e9d6f43d2d587f2f588525fae683abea73

  • SHA512

    3d2758fe2d06183e627b5cc24919c08c84108f2efd7ab0a162029d55537476410d9535d50f3eb059f7153f7482c134284862eea121201f82838aace4b12283b5

  • SSDEEP

    12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmx:VIv/qiVNHNDEfJKHZ8mG9QeeO

Malware Config

Extracted

Family

xorddos

C2

api.markerbio.com:112

api.enoan2107.com:112

http://qq.com/lib.asp

Attributes
  • crc_polynomial

    CDB88320

xor.plain

Targets

    • Target

      112s

    • Size

      549KB

    • MD5

      f9191bab1e834d4aef3380700639cee9

    • SHA1

      9c20269df6694260a24ac783de2e30d627a6928a

    • SHA256

      ea40ecec0b30982fbb1662e67f97f0e9d6f43d2d587f2f588525fae683abea73

    • SHA512

      3d2758fe2d06183e627b5cc24919c08c84108f2efd7ab0a162029d55537476410d9535d50f3eb059f7153f7482c134284862eea121201f82838aace4b12283b5

    • SSDEEP

      12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmx:VIv/qiVNHNDEfJKHZ8mG9QeeO

    • XorDDoS

      Botnet and downloader malware targeting Linux-based operating systems and IoT devices.

    • XorDDoS payload

    • Deletes itself

    • Executes dropped EXE

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks