Overview

overview

10

Static

static

10

VegasPatch14.exe

windows7-x64

10

VegasPatch14.exe

windows10-1703-x64

10

VegasPatch14.exe

windows10-2004-x64

10

VegasPatch14.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    VegasPatch14.qqq

  • Size

    3.1MB

  • Sample

    240114-1kewmadcdk

  • MD5

    b4ec8778cbe46c171a9bee3e9506de4c

  • SHA1

    85a13ca777b14db2364c3e25ba6f3d5ab103ea8e

  • SHA256

    c50658509115ca06fce94d1419fbec714e8fcc5a1cde23e037e8d6f8d3b2571d

  • SHA512

    45d2d561b0dcd891d8b10b307a8a0ea8fc0fe4a8c78eab52e8162cbd6872b8d8810878282bb8f5b36ecc6ed0b25383078da2eb62346862d34e6a46b4c068477f

  • SSDEEP

    49152:WvXI22SsaNYfdPBldt698dBcjHeupm2mzrToGd9THHB72eh2NT:WvY22SsaNYfdPBldt6+dBcjH5pmL

Score
10/10
quasarbuild1spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

build1

C2

testnetwork123.ddns.net:4782

Mutex

b4867e2a-84d0-48aa-a9d7-3bec9fee8df9

Attributes
  • encryption_key

    EFAB993C2F127EF7DC90902AD3F43CBA897B6832

  • install_name

    WinVs.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Visual Mapping

  • subdirectory

    SubDir

Targets

    • Target

      VegasPatch14.qqq

    • Size

      3.1MB

    • MD5

      b4ec8778cbe46c171a9bee3e9506de4c

    • SHA1

      85a13ca777b14db2364c3e25ba6f3d5ab103ea8e

    • SHA256

      c50658509115ca06fce94d1419fbec714e8fcc5a1cde23e037e8d6f8d3b2571d

    • SHA512

      45d2d561b0dcd891d8b10b307a8a0ea8fc0fe4a8c78eab52e8162cbd6872b8d8810878282bb8f5b36ecc6ed0b25383078da2eb62346862d34e6a46b4c068477f

    • SSDEEP

      49152:WvXI22SsaNYfdPBldt698dBcjHeupm2mzrToGd9THHB72eh2NT:WvY22SsaNYfdPBldt6+dBcjH5pmL

    Score
    10/10
    quasarbuild1spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3behavioral4

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