Overview

overview

10

Static

static

3

fbe69d8e1f...e9.exe

windows7-x64

10

fbe69d8e1f...e9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fbe69d8e1fa5390e1627f2c7713c456c69e0be031e2df0faace32d439a412fe9.exe

  • Size

    3.1MB

  • Sample

    240101-yx4peahccn

  • MD5

    9e282c69a25055463e8481edbbaf3d14

  • SHA1

    2c867ddfe529f664bc6234fd9c1244bd4d6c7a6c

  • SHA256

    fbe69d8e1fa5390e1627f2c7713c456c69e0be031e2df0faace32d439a412fe9

  • SHA512

    fa1d96774579db7aeef3cc5ae7c94f6a3358b3209dc10e3d43b068bd0b6ad2ba6a457f89e0eda7fe7533e2bf4656acffbe1fab491fcf7a475c88bde63c19fcbe

  • SSDEEP

    49152:cwBDoDZjiLWI2DEJd0XiUcyGPOJndAmh6aI6XP11dmnJ1BG0HyuEao/7XO:NBcDRiL4ETNUcBmJndQZwt1KjBG0Hyz

Score
10/10
quasarupdatespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

update

C2

127.0.0.1:4782

Mutex

ddb0d81d-667e-44c3-a1b7-00fcb82dd1ef

Attributes
  • encryption_key

    00DF680B0E09235E9256570DFF972BC701444E37

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    putty

  • subdirectory

    SubDir

Targets

    • Target

      fbe69d8e1fa5390e1627f2c7713c456c69e0be031e2df0faace32d439a412fe9.exe

    • Size

      3.1MB

    • MD5

      9e282c69a25055463e8481edbbaf3d14

    • SHA1

      2c867ddfe529f664bc6234fd9c1244bd4d6c7a6c

    • SHA256

      fbe69d8e1fa5390e1627f2c7713c456c69e0be031e2df0faace32d439a412fe9

    • SHA512

      fa1d96774579db7aeef3cc5ae7c94f6a3358b3209dc10e3d43b068bd0b6ad2ba6a457f89e0eda7fe7533e2bf4656acffbe1fab491fcf7a475c88bde63c19fcbe

    • SSDEEP

      49152:cwBDoDZjiLWI2DEJd0XiUcyGPOJndAmh6aI6XP11dmnJ1BG0HyuEao/7XO:NBcDRiL4ETNUcBmJndQZwt1KjBG0Hyz

    Score
    10/10
    quasarupdatespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks