General

  • Target

    extracted_payload-cleaned - Copy.exe

  • Size

    5.8MB

  • Sample

    250205-bghexatjdp

  • MD5

    93bf3af1a0f7714baff7d12c7554111e

  • SHA1

    996af0047fc17b0cd2385cbfcf51219b70ebd557

  • SHA256

    6f76eccd32ffc9445a842b4442044c5ad92a58ce58a0552913e703c942b81f96

  • SHA512

    51da3ee71d55e8a742f72f99a31193310868592cc8fb3e12fb6e88c891ace874b6be93b535a4777cf544e50d0b65b0ea36a79281c9b729ba51d7dafbb2f97ab4

  • SSDEEP

    98304:SVzA+NolR3oceUQ1spbvuKSUJ17LrbH4q8y1iYVk1OUkh54oZdxkOHYSM:SPNO3K1spbmxcrbH4a1iYVk1O15DUC

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

v15.0 | Fifa23

C2

private123.duckdns.org:8808

dofucks.com:8808

Mutex

c398e98c-136e-4007-ab40-e179829f338c

Attributes
  • encryption_key

    C84CB6134701741C5122A14FACDB67C8CFA9C0AB

  • install_name

    .exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    $sxr-seroxen

Targets

    • Target

      extracted_payload-cleaned - Copy.exe

    • Size

      5.8MB

    • MD5

      93bf3af1a0f7714baff7d12c7554111e

    • SHA1

      996af0047fc17b0cd2385cbfcf51219b70ebd557

    • SHA256

      6f76eccd32ffc9445a842b4442044c5ad92a58ce58a0552913e703c942b81f96

    • SHA512

      51da3ee71d55e8a742f72f99a31193310868592cc8fb3e12fb6e88c891ace874b6be93b535a4777cf544e50d0b65b0ea36a79281c9b729ba51d7dafbb2f97ab4

    • SSDEEP

      98304:SVzA+NolR3oceUQ1spbvuKSUJ17LrbH4q8y1iYVk1OUkh54oZdxkOHYSM:SPNO3K1spbmxcrbH4a1iYVk1O15DUC

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Seroxen family

    • Seroxen, Ser0xen

      Seroxen or SeroXen aka Ser0Xen is a trojan fist disovered in late 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks