Resubmissions

02-06-2022 16:55

220602-vfcmtaghc7 10

08-03-2022 22:23

220308-2ar9msbef2 9

General

  • Target

    x.o

  • Size

    611KB

  • Sample

    220602-vfcmtaghc7

  • MD5

    d46dd322e3cefa2b6eda0c96b84f7611

  • SHA1

    5dae4f419d23a4d5f42d4ea0e5d67382d26b34ca

  • SHA256

    47c0af3e024fb5b38a97768bb9f6dce954fe358ce7f24c46dcc23689e8687a70

  • SHA512

    8c3047a1ffa39982c39cb04d2fad34a49502711a004448176945c60a1aeed177676cc920ef02ddb81c1205935ed05ca46630cee165d2c36fdc08059264f0dc5d

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

      x.o

    • Size

      611KB

    • MD5

      d46dd322e3cefa2b6eda0c96b84f7611

    • SHA1

      5dae4f419d23a4d5f42d4ea0e5d67382d26b34ca

    • SHA256

      47c0af3e024fb5b38a97768bb9f6dce954fe358ce7f24c46dcc23689e8687a70

    • SHA512

      8c3047a1ffa39982c39cb04d2fad34a49502711a004448176945c60a1aeed177676cc920ef02ddb81c1205935ed05ca46630cee165d2c36fdc08059264f0dc5d

    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