General

  • Target

    ea9da1047cd9f8d93602a679e6c95e1d

  • Size

    2.0MB

  • Sample

    220719-jt8fvsgfam

  • MD5

    ea9da1047cd9f8d93602a679e6c95e1d

  • SHA1

    b0e94c4d54e561ddd1d30ec34113d4f35149b421

  • SHA256

    0a9ddda2208d336240816293316219caba2b0bb1f5a1b9c148b1e01115f4d4e5

  • SHA512

    cdf08f601337e49f231da412b8bf17c732895d2c1a01ad839333a88c1d4c0b93384f8fd9e959c845044a2df518284f7c1f2ccd4881b87952c0978ae3de7f25c3

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

      ea9da1047cd9f8d93602a679e6c95e1d

    • Size

      2.0MB

    • MD5

      ea9da1047cd9f8d93602a679e6c95e1d

    • SHA1

      b0e94c4d54e561ddd1d30ec34113d4f35149b421

    • SHA256

      0a9ddda2208d336240816293316219caba2b0bb1f5a1b9c148b1e01115f4d4e5

    • SHA512

      cdf08f601337e49f231da412b8bf17c732895d2c1a01ad839333a88c1d4c0b93384f8fd9e959c845044a2df518284f7c1f2ccd4881b87952c0978ae3de7f25c3

    • Azorult

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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • suricata: ET MALWARE Common RAT Connectivity Check Observed

      suricata: ET MALWARE Common RAT Connectivity Check Observed

    • 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