Overview

overview

10

Static

static

10

pegasus.exe

windows7-x64

10

pegasus.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    pegasus-main.zip

  • Size

    1.0MB

  • Sample

    240706-rgbv5aselg

  • MD5

    b5a059064c16e2d2a3d27a0b9194bba8

  • SHA1

    7221f0012fae1680f29f10975a32f91da8abf059

  • SHA256

    992aa914b0bd9a7fe3008f7885de511bd16af974165754492e847530d08541d3

  • SHA512

    90f15dcb9c6acc02c0c678f99e33cf08aee2a4b0fa3d797faab4cb7e2bd4a2656f156b8732799729e58a323ca1e31aecef2abb91f3f530ba7d6af3c7a11b37b2

  • SSDEEP

    24576:YYb9lGymuk5iTZyBG8ZP+MclwpE14N2lok7Jln1Sydcz:YYb98moXw8pE14Aogl3dw

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

90.219.112.122:4782

Mutex

878b2fb4-192c-4f50-ae38-0881a431b12f

Attributes
  • encryption_key

    DB1FE6851C4D98E11497D9AF06379F8966EC065A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    SubDir

Targets

    • Target

      pegasus.exe

    • Size

      3.1MB

    • MD5

      2e46c4fb200c850394e4e708d4c0d36b

    • SHA1

      dbeae23123b58434eedf7a0462dda53b7ae0fc01

    • SHA256

      198076159ed4e2443380f81b53f506807e3ef4cca8692084922744548e5383bf

    • SHA512

      a0c8ec64b280a3c2800cb300d464340a4de79dea2907b3c1d66bb2f54d447794e20f8097d2be6299ae04a395891d33589531142cdc7516131d9afe4e7ac0a8c2

    • SSDEEP

      49152:3vgt62XlaSFNWPjljiFa2RoUYIyKAi+h8vJihoGdJoTHHB72eh2NT:3vM62XlaSFNWPjljiFXRoUYIMhb5

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks