Overview

overview

10

Static

static

Pago.exe

windows7-x64

8

Pago.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Pago.exe

  • Size

    1.3MB

  • Sample

    221123-j1jq3sbf7z

  • MD5

    ce7d806c0c013d7a322071cb5e9d3ab7

  • SHA1

    becd8d9257efa5df71f3a49edb5ea07da0511755

  • SHA256

    f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c

  • SHA512

    c84c4c99cf9b986c06208ea6a283f5de67dd38f65d1344b9b7d03ce1ea19f03aa67c8467e0e454febc7532b4e82ccf908c73c740f2f54eb32cf13cddf14544ec

  • SSDEEP

    24576:rGHCm8uPdJAg804Aa24gOYtHzl0GXtiHpH1uYIq3U/l5MHTU:quWpZt51oJklCzU

Score
10/10
quasaryopspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

yop

C2

dnuocc.com:64594

www.dnuocc.com:64594
Mutex

QSR_MUTEX_OyCjWKeFudCMEKYeJX

Attributes
  • encryption_key

    In08tDaU6GKdLZ8HdsU1

  • install_name

    yors.exe

  • log_directory

    Logs

  • reconnect_delay

    7000

  • startup_key

    crdm

  • subdirectory

    yilk

Targets

    • Target

      Pago.exe

    • Size

      1.3MB

    • MD5

      ce7d806c0c013d7a322071cb5e9d3ab7

    • SHA1

      becd8d9257efa5df71f3a49edb5ea07da0511755

    • SHA256

      f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c

    • SHA512

      c84c4c99cf9b986c06208ea6a283f5de67dd38f65d1344b9b7d03ce1ea19f03aa67c8467e0e454febc7532b4e82ccf908c73c740f2f54eb32cf13cddf14544ec

    • SSDEEP

      24576:rGHCm8uPdJAg804Aa24gOYtHzl0GXtiHpH1uYIq3U/l5MHTU:quWpZt51oJklCzU

    Score
    10/10
    quasaryopspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks