General

  • Target

    JaffaCakes118_dfa43d929d93cd09310d9dbdb6ad082d

  • Size

    16.7MB

  • Sample

    250110-kdaqbsyldw

  • MD5

    dfa43d929d93cd09310d9dbdb6ad082d

  • SHA1

    a9f5d6128404cd438bc5617740cc3d7ccb1064f5

  • SHA256

    b4becc32cef140dcc804424b9c4e030a1ce245b13e7f1baeca854b8897f2df5f

  • SHA512

    c7a4aed1966a26bd99554a82d3749a01a80ef49f2abfbbafcd9a6c6fb19010f423de75acc6f9344c381fff631f7ff9017416e31edddf538c8991c5d8b00a6f29

  • SSDEEP

    393216:urN50n4bwQq7t3J086sIB6ehAAJ2u653xVu7vHhqBa4Cs:uka9ZPBxKJpHCpqBa4C

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Chrome

C2

live.nodenet.ml:8863

Mutex

754ce6d6-f75b-4c6f-964c-3996e749369e

Attributes
  • encryption_key

    8F8DE0B9E0A9CA156684061043456EC2CF7D0A6D

  • install_name

    chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    System

  • subdirectory

    chrome

Targets

    • Target

      JaffaCakes118_dfa43d929d93cd09310d9dbdb6ad082d

    • Size

      16.7MB

    • MD5

      dfa43d929d93cd09310d9dbdb6ad082d

    • SHA1

      a9f5d6128404cd438bc5617740cc3d7ccb1064f5

    • SHA256

      b4becc32cef140dcc804424b9c4e030a1ce245b13e7f1baeca854b8897f2df5f

    • SHA512

      c7a4aed1966a26bd99554a82d3749a01a80ef49f2abfbbafcd9a6c6fb19010f423de75acc6f9344c381fff631f7ff9017416e31edddf538c8991c5d8b00a6f29

    • SSDEEP

      393216:urN50n4bwQq7t3J086sIB6ehAAJ2u653xVu7vHhqBa4Cs:uka9ZPBxKJpHCpqBa4C

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks