General

  • Target

    53cddb13890406ae74bed519674f611b58188fb94b6485d624a60680f6d0b786

  • Size

    2.0MB

  • Sample

    220323-mkdrnsgggl

  • MD5

    2f8ea5d6eb2c916f2f21ff559002c418

  • SHA1

    5ed9292e1af8f0024037e7f038992fb94f49342a

  • SHA256

    53cddb13890406ae74bed519674f611b58188fb94b6485d624a60680f6d0b786

  • SHA512

    30c483d31839078c5449c309ed00ec0fbfd9ac97e27909685eb4c00c33ce2db089b8615d43024599f5e5ce56a72c1c2b69ce640f65306ea72091c776b8409423

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Targets

    • Target

      53cddb13890406ae74bed519674f611b58188fb94b6485d624a60680f6d0b786

    • Size

      2.0MB

    • MD5

      2f8ea5d6eb2c916f2f21ff559002c418

    • SHA1

      5ed9292e1af8f0024037e7f038992fb94f49342a

    • SHA256

      53cddb13890406ae74bed519674f611b58188fb94b6485d624a60680f6d0b786

    • SHA512

      30c483d31839078c5449c309ed00ec0fbfd9ac97e27909685eb4c00c33ce2db089b8615d43024599f5e5ce56a72c1c2b69ce640f65306ea72091c776b8409423

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Tasks