General

  • Target

    01942bbe326395e8bf8312c304b30c21_JaffaCakes118

  • Size

    247KB

  • Sample

    240328-knyvxaed32

  • MD5

    01942bbe326395e8bf8312c304b30c21

  • SHA1

    b8a481e91c77631aa74b8188b17166d9861dfde0

  • SHA256

    9c7e43e5212142a195a794486b13efcc9779f9c0742b608c66c18937856bb452

  • SHA512

    914224281378d60adca99c34848485550c1eb29f95a6755d83d10d9a55ea21fb6e973fc5bb144a20b3ebd25b8a8cdc8b5aa819aa2f345c3dada5d39d9c2d1b7b

  • SSDEEP

    6144:nSDFOrnwRgUbMisI6sdkH+M6hWOcy5KOZW7U6NCPhhhR//mqYi:mZRgUY/fsJcO1KOiXOhhhBei

Malware Config

Extracted

Family

xorddos

Attributes
  • crc_polynomial

    EDB88320

Targets

    • Target

      01942bbe326395e8bf8312c304b30c21_JaffaCakes118

    • Size

      247KB

    • MD5

      01942bbe326395e8bf8312c304b30c21

    • SHA1

      b8a481e91c77631aa74b8188b17166d9861dfde0

    • SHA256

      9c7e43e5212142a195a794486b13efcc9779f9c0742b608c66c18937856bb452

    • SHA512

      914224281378d60adca99c34848485550c1eb29f95a6755d83d10d9a55ea21fb6e973fc5bb144a20b3ebd25b8a8cdc8b5aa819aa2f345c3dada5d39d9c2d1b7b

    • SSDEEP

      6144:nSDFOrnwRgUbMisI6sdkH+M6hWOcy5KOZW7U6NCPhhhR//mqYi:mZRgUY/fsJcO1KOiXOhhhBei

    • XorDDoS

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

    • Executes dropped EXE

    • Reads EFI boot settings

      Reads EFI boot settings from the efivars filesystem, may contain security secrets or sensitive data.

    • 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.

    • 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

Hijack Execution Flow

1
T1574

Discovery

System Information Discovery

1
T1082

Tasks