Overview

overview

10

Static

static

10

3a9e31e398...9d.exe

windows7-x64

10

3a9e31e398...9d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3a9e31e398e0f96a8c0e7a8d99a2dc36da74056be0882d97ba2cad813190b09d

  • Size

    3.1MB

  • Sample

    231107-lbxbzsfd24

  • MD5

    7c286bfc44121880fd6f519cef8dbb76

  • SHA1

    f63c551d27e7dcaa8391efb6efc8e3edbb5405de

  • SHA256

    3a9e31e398e0f96a8c0e7a8d99a2dc36da74056be0882d97ba2cad813190b09d

  • SHA512

    9c7ff4e205b75d6e342a26e1d35db0fcc5e1dd86ad61726606a4f8f3fceb749a175d4c93f12157182e26c798dc9faacb3787c79b61d90698d3589b049d2a8b55

  • SSDEEP

    49152:GvXI22SsaNYfdPBldt698dBcjHU6DkE2Hsk/+FgoGdn+fTHHB72eh2NT:GvY22SsaNYfdPBldt6+dBcjHU6DJeu

Score
10/10
quasarsys32spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Sys32

C2

180.195.205.155:4782

Mutex

cb2c21d0-caea-4e5b-aec0-8169b705d768

Attributes
  • encryption_key

    9A4F139DB2DACE4C19ACED3CE2C37A9E9F5329AA

  • install_name

    Sys32.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      3a9e31e398e0f96a8c0e7a8d99a2dc36da74056be0882d97ba2cad813190b09d

    • Size

      3.1MB

    • MD5

      7c286bfc44121880fd6f519cef8dbb76

    • SHA1

      f63c551d27e7dcaa8391efb6efc8e3edbb5405de

    • SHA256

      3a9e31e398e0f96a8c0e7a8d99a2dc36da74056be0882d97ba2cad813190b09d

    • SHA512

      9c7ff4e205b75d6e342a26e1d35db0fcc5e1dd86ad61726606a4f8f3fceb749a175d4c93f12157182e26c798dc9faacb3787c79b61d90698d3589b049d2a8b55

    • SSDEEP

      49152:GvXI22SsaNYfdPBldt698dBcjHU6DkE2Hsk/+FgoGdn+fTHHB72eh2NT:GvY22SsaNYfdPBldt6+dBcjHU6DJeu

    Score
    10/10
    quasarsys32spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks