General

  • Target

    fuck.elf

  • Size

    611KB

  • Sample

    220921-1fbneacffr

  • MD5

    ee5edcc4d824db63a8c8264a8631f067

  • SHA1

    ce483e6b254cc3ed3ede2e1fee3f959cc4eddbe8

  • SHA256

    b84cf164fde12dd07192aa44f1b943044610539fd979e0f9359d44062f21a612

  • SHA512

    4a3b98bbea252e8980fc4133eb026a6c673313c6b92a6fc865481c79321cdf24446f651973efbf01fe06794d397d076accedf99b07da0c08d32d3fa4e382bc54

  • SSDEEP

    12288:UB1tATMVAqnf+ExxBHYpmA38X8LYkCW6Ti4x6yB1/iGK4UlUuTh1AG:UB1BVpmExDYp38X8LYTWh4fNiGQl/91h

Malware Config

Extracted

Family

xorddos

C2

.xxxatat456.com:6003

aaa.gggatat456.com:6003

aaa.xxxatat456.com:6003

Targets

    • Target

      fuck.elf

    • Size

      611KB

    • MD5

      ee5edcc4d824db63a8c8264a8631f067

    • SHA1

      ce483e6b254cc3ed3ede2e1fee3f959cc4eddbe8

    • SHA256

      b84cf164fde12dd07192aa44f1b943044610539fd979e0f9359d44062f21a612

    • SHA512

      4a3b98bbea252e8980fc4133eb026a6c673313c6b92a6fc865481c79321cdf24446f651973efbf01fe06794d397d076accedf99b07da0c08d32d3fa4e382bc54

    • SSDEEP

      12288:UB1tATMVAqnf+ExxBHYpmA38X8LYkCW6Ti4x6yB1/iGK4UlUuTh1AG:UB1BVpmExDYp38X8LYTWh4fNiGQl/91h

    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