Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    230530-r91pysab78

  • MD5

    59821db4fc3efdd9d78185a16efa5917

  • SHA1

    9a53b49c3e42a83e6833c0da4107bae862b4d6b9

  • SHA256

    a5d114be9a4e5f601a6d855b25b7e206d60f55f9a605ad1c8ebafd964fa1ed70

  • SHA512

    d3d0f978a50edbe669b68ece5ba183b75bcfa701185370682227501daf643ee08fa22f7e540f00c604459f986b73e11601401c11ed48b8f50ed5fe848af4fd29

  • SSDEEP

    49152:0v/t62XlaSFNWPjljiFa2RoUYI+ZyP+vEVTHHB72eh2NT:0vV62XlaSFNWPjljiFXRoUYI+Zi

Score
10/10
quasarbob681spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Bob681

C2

181.215.176.73:59955

Mutex

4a19a6ac-9ac6-4cbd-ab2f-1e469ebe93aa

Attributes
  • encryption_key

    01A024E271E79DC5F555EC503C0E2AB6090246F2

  • install_name

    repl.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    replstart

  • subdirectory

    repl

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      59821db4fc3efdd9d78185a16efa5917

    • SHA1

      9a53b49c3e42a83e6833c0da4107bae862b4d6b9

    • SHA256

      a5d114be9a4e5f601a6d855b25b7e206d60f55f9a605ad1c8ebafd964fa1ed70

    • SHA512

      d3d0f978a50edbe669b68ece5ba183b75bcfa701185370682227501daf643ee08fa22f7e540f00c604459f986b73e11601401c11ed48b8f50ed5fe848af4fd29

    • SSDEEP

      49152:0v/t62XlaSFNWPjljiFa2RoUYI+ZyP+vEVTHHB72eh2NT:0vV62XlaSFNWPjljiFXRoUYI+Zi

    Score
    10/10
    quasarbob681spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks