General

  • Target

    payload_1_sxr.exe

  • Size

    10.3MB

  • Sample

    250204-zzp5gasmgt

  • MD5

    a0986241fcfed849a9d1dce2466840de

  • SHA1

    6e47f0378ab7c921b3c04d29aae5de1415d1aaf8

  • SHA256

    ac562299cd216585d58cab4c435c1578f3e451820a4c0feb2d902d0662645446

  • SHA512

    8e192128a7be9b6b0857a3eca1a479ed28eaae2943ae1803fdd4b523c57e106f089c6b04cfe318a757171a3e52a603d91d395f94adbf9d5d5f300b3d91311ca4

  • SSDEEP

    49152:sKxzaVKJayp/GrDlGcfk/5ZRuUtNUDrTRaDqeF5gLRyoKq6XBkim7fEM27cIgpvW:sKxzcK

Malware Config

Extracted

Family

quasar

Version

1.0.0.0

Botnet

v2.2.2 | NuGeta

C2

igboat.com:1167

Mutex

6a5dd02b-c4c3-4c95-8718-d851c4c1b042

Attributes
  • encryption_key

    9DE783214A7E1A7FD46C38C81B5C15C4E297596E

  • install_name

    .exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

Targets

    • Target

      payload_1_sxr.exe

    • Size

      10.3MB

    • MD5

      a0986241fcfed849a9d1dce2466840de

    • SHA1

      6e47f0378ab7c921b3c04d29aae5de1415d1aaf8

    • SHA256

      ac562299cd216585d58cab4c435c1578f3e451820a4c0feb2d902d0662645446

    • SHA512

      8e192128a7be9b6b0857a3eca1a479ed28eaae2943ae1803fdd4b523c57e106f089c6b04cfe318a757171a3e52a603d91d395f94adbf9d5d5f300b3d91311ca4

    • SSDEEP

      49152:sKxzaVKJayp/GrDlGcfk/5ZRuUtNUDrTRaDqeF5gLRyoKq6XBkim7fEM27cIgpvW:sKxzcK

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks