Resubmissions

02-06-2022 16:55

220602-ve6t9scebq 10

09-04-2022 21:37

220409-1gfnradag2 9

General

  • Target

    2BAFxor.o

  • Size

    611KB

  • Sample

    220602-ve6t9scebq

  • MD5

    cc3cfcdb09c10250d5b6430a1ffa5340

  • SHA1

    d31cd0f813ac9a6f997d7d5a0cabac6d078907e2

  • SHA256

    2baf73eae1c5135acf10290b063d0a65827611ba6874a326883d9be3b238a1b6

  • SHA512

    a519cd6606a3383dbfb80d0ab96877d416bc089f5076b92b47e31edc3e0ef7b6ed21e38e4577e063a48c97d1842557667bef046a70be87b5d71792ab14a988b5

Malware Config

Extracted

Family

xorddos

C2

http://pcdown.gddos.com:8080

soft8.gddos.com:25

103.233.83.245:25

baidu.gddos.com:25

Targets

    • Target

      2BAFxor.o

    • Size

      611KB

    • MD5

      cc3cfcdb09c10250d5b6430a1ffa5340

    • SHA1

      d31cd0f813ac9a6f997d7d5a0cabac6d078907e2

    • SHA256

      2baf73eae1c5135acf10290b063d0a65827611ba6874a326883d9be3b238a1b6

    • SHA512

      a519cd6606a3383dbfb80d0ab96877d416bc089f5076b92b47e31edc3e0ef7b6ed21e38e4577e063a48c97d1842557667bef046a70be87b5d71792ab14a988b5

    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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Hijack Execution Flow

2
T1574

Scheduled Task

1
T1053

Boot or Logon Autostart Execution

1
T1547

Privilege Escalation

Hijack Execution Flow

2
T1574

Scheduled Task

1
T1053

Boot or Logon Autostart Execution

1
T1547

Defense Evasion

Hijack Execution Flow

2
T1574

Tasks