General

  • Target

    ba02cf463964b32a5f9410ed348d90b8

  • Size

    2.0MB

  • Sample

    220719-jsb19sgebp

  • MD5

    ba02cf463964b32a5f9410ed348d90b8

  • SHA1

    79d24ee13697835b3b195484d0c11ae3f68ed7dc

  • SHA256

    270189ac6c8836ecc8cabc3a9203e2bb5d9e4981e8c3b02e77e7e04dde1894d4

  • SHA512

    fe43f9ed87ffa0322fcca32729b876c16f7cd5dcd961799cd849fbba23507068287c521286683dbe35547a25d94f616ba0d0e29eeef1998eadc795f55d97a55c

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

      ba02cf463964b32a5f9410ed348d90b8

    • Size

      2.0MB

    • MD5

      ba02cf463964b32a5f9410ed348d90b8

    • SHA1

      79d24ee13697835b3b195484d0c11ae3f68ed7dc

    • SHA256

      270189ac6c8836ecc8cabc3a9203e2bb5d9e4981e8c3b02e77e7e04dde1894d4

    • SHA512

      fe43f9ed87ffa0322fcca32729b876c16f7cd5dcd961799cd849fbba23507068287c521286683dbe35547a25d94f616ba0d0e29eeef1998eadc795f55d97a55c

    • 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