General

  • Target

    n.cmd

  • Size

    1KB

  • Sample

    241231-yslb9swrdv

  • MD5

    fa75e849a3beb187d543d9b4ae894dcc

  • SHA1

    41b1a755057677bfa617c089ba6092733155a1f0

  • SHA256

    ea4b2c7dbf2be84aa81e55112e40392a7c54cfabde85d3ece594d834b3c9254d

  • SHA512

    eed68bf4aba6af83620591f9cdefbe5e954f5bfbb14116015c215b306ecde7e8f9736b7e886e6ecbc0a71dda8ba2a58c7f4b5b7b6354104652715052e016f91f

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://i.imghippo.com/files/CFqi5277Mc.jpg

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://i.imghippo.com/files/mcm7321uo.jpg

Extracted

Family

quasar

Version

1.4.1

Botnet

afafaf

C2

194.26.192.167:2768

Mutex

c1060262-cacc-4b5e-8e09-ac72d84cef52

Attributes
  • encryption_key

    BE2B0B270E4DB19CAA5C42E9D2EBF64645A2D055

  • install_name

    OneDrive.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    OneDrive

  • subdirectory

    OneDrive

Targets

    • Target

      n.cmd

    • Size

      1KB

    • MD5

      fa75e849a3beb187d543d9b4ae894dcc

    • SHA1

      41b1a755057677bfa617c089ba6092733155a1f0

    • SHA256

      ea4b2c7dbf2be84aa81e55112e40392a7c54cfabde85d3ece594d834b3c9254d

    • SHA512

      eed68bf4aba6af83620591f9cdefbe5e954f5bfbb14116015c215b306ecde7e8f9736b7e886e6ecbc0a71dda8ba2a58c7f4b5b7b6354104652715052e016f91f

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks