General

  • Target

    RevsExternal.exe

  • Size

    3.1MB

  • Sample

    241227-lfbabatmhs

  • MD5

    abdb9928a2443e939fd0e3b2758fac86

  • SHA1

    963518e3d31b32ade1faa2d3ad4a5f29f4a94718

  • SHA256

    36ea2fb6f0b7279ea15e54dba6d2c41a00bc3f56e26a59e1bf21867865b2e2db

  • SHA512

    3b21a68634fe6c467de89614a7719aed29d664d83857dc3f9684eaa96a155e349aa471bf2bd7a526e201de4805ce2072224de0bb6763490fce6da61b089eb2bb

  • SSDEEP

    49152:Xvluf2NUaNmwzPWlvdaKM7ZxTwi0zBBxLSoGd5THHB72eh2NT:Xvwf2NUaNmwzPWlvdaB7ZxTwJz8

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

AuraReal

C2

tcp://auraboyy-27610.portmap.host:23133 => 4782:23133

Mutex

23455755-5d9f-40df-b240-406c00706fe9

Attributes
  • encryption_key

    2482B7514A53EC61E5CFC0A64CF01CDEB49C6056

  • install_name

    Win64.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    Extras

Targets

    • Target

      RevsExternal.exe

    • Size

      3.1MB

    • MD5

      abdb9928a2443e939fd0e3b2758fac86

    • SHA1

      963518e3d31b32ade1faa2d3ad4a5f29f4a94718

    • SHA256

      36ea2fb6f0b7279ea15e54dba6d2c41a00bc3f56e26a59e1bf21867865b2e2db

    • SHA512

      3b21a68634fe6c467de89614a7719aed29d664d83857dc3f9684eaa96a155e349aa471bf2bd7a526e201de4805ce2072224de0bb6763490fce6da61b089eb2bb

    • SSDEEP

      49152:Xvluf2NUaNmwzPWlvdaKM7ZxTwi0zBBxLSoGd5THHB72eh2NT:Xvwf2NUaNmwzPWlvdaB7ZxTwJz8

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks