General

  • Target

    00af3dac671ad8ce760784250dff7e60_JaffaCakes118

  • Size

    247KB

  • Sample

    240328-jjze7sdc83

  • MD5

    00af3dac671ad8ce760784250dff7e60

  • SHA1

    1eba57c53d32be6ae97c36197e6263d57892025a

  • SHA256

    ec92214bce49930f5ea76548f8d1589d4c29bbd8848503215c48ad51d84e4f07

  • SHA512

    61a4f369fee81e514a283807d48e7dfd97cc3f0221c1e3410f70fb425106b7fa2b9cd65f4c087c7d71d03cf9970bbf17fe72f6f55aec078886b937c53ab18ddf

  • SSDEEP

    6144:nSDFOrnwRgUbMisI6sdkH+M6hWOcy5KOZW7U6NCPhhhR//mqYY:mZRgUY/fsJcO1KOiXOhhhBeY

Malware Config

Extracted

Family

xorddos

Attributes
  • crc_polynomial

    EDB88320

Targets

    • Target

      00af3dac671ad8ce760784250dff7e60_JaffaCakes118

    • Size

      247KB

    • MD5

      00af3dac671ad8ce760784250dff7e60

    • SHA1

      1eba57c53d32be6ae97c36197e6263d57892025a

    • SHA256

      ec92214bce49930f5ea76548f8d1589d4c29bbd8848503215c48ad51d84e4f07

    • SHA512

      61a4f369fee81e514a283807d48e7dfd97cc3f0221c1e3410f70fb425106b7fa2b9cd65f4c087c7d71d03cf9970bbf17fe72f6f55aec078886b937c53ab18ddf

    • SSDEEP

      6144:nSDFOrnwRgUbMisI6sdkH+M6hWOcy5KOZW7U6NCPhhhR//mqYY:mZRgUY/fsJcO1KOiXOhhhBeY

    • XorDDoS

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

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

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

    • Checks CPU configuration

      Checks CPU information which indicate if the system is a virtual machine.

    • Creates/modifies Cron job

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

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Write file to user bin folder

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Privilege Escalation

Scheduled Task/Job

1
T1053

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Hijack Execution Flow

1
T1574

Discovery

Virtualization/Sandbox Evasion

1
T1497

Tasks