General

  • Target

    3b1b0120ff6ae58cf1ead67e24f5eb77aad0a776ec6f628cdcb069da1378da7b

  • Size

    596KB

  • Sample

    220703-wcwf7achd6

  • MD5

    b199d5ec4f32ed7f7b0a4f925d70b4b3

  • SHA1

    60895f3db013b9a65a29f5f3dd1a293f8b8f3c79

  • SHA256

    3b1b0120ff6ae58cf1ead67e24f5eb77aad0a776ec6f628cdcb069da1378da7b

  • SHA512

    d921123a819195cb30c68d5795722c43debdb7458384f2966959fed7922618735fe7105c9a61bfe60a863a907f407023c6b2a42c2ec13c6799814f938a441346

Malware Config

Extracted

Family

xorddos

C2

dns-google.org:60000

a-dns-google.com:60000

uc.twjiasu.com:8080

Targets

    • Target

      3b1b0120ff6ae58cf1ead67e24f5eb77aad0a776ec6f628cdcb069da1378da7b

    • Size

      596KB

    • MD5

      b199d5ec4f32ed7f7b0a4f925d70b4b3

    • SHA1

      60895f3db013b9a65a29f5f3dd1a293f8b8f3c79

    • SHA256

      3b1b0120ff6ae58cf1ead67e24f5eb77aad0a776ec6f628cdcb069da1378da7b

    • SHA512

      d921123a819195cb30c68d5795722c43debdb7458384f2966959fed7922618735fe7105c9a61bfe60a863a907f407023c6b2a42c2ec13c6799814f938a441346

    Score
    9/10
    • Writes file to system bin folder

    • Creates/modifies Cron job

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

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

    • Write file to user bin folder

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

MITRE ATT&CK Enterprise v6

Tasks