Overview

overview

10

Static

static

8

Estado de cuenta.xls

windows7-x64

1

Estado de cuenta.xls

windows10-2004-x64

10

Sharing

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General

  • Target

    Estado de cuenta.xls

  • Size

    369KB

  • Sample

    221127-vs5t5ahe7x

  • MD5

    f5a8b72709235c68196a397174152660

  • SHA1

    ab863a70358f150e3f0da53c330f7226d46037f4

  • SHA256

    858963fa777ab0af515f7a81ff5ce29ffdda5361c67137cf0be35095bc7f1d9b

  • SHA512

    f3b247cbec98ea8423358b589dde1fb5ea17b66efe169e68536cf901f9309e34c3f9883125fd153908150ae680292987b286ede90b461875ac0557ba368579f1

  • SSDEEP

    6144:exEtjPOtioVjDGUU1qfDlavx+W2QnAbwYqzklWhUPheJl7Gpe8Kg2nOQcSRWQSSL:GwYqzklavDiknOfySloh16I

Score
10/10
quasarhopmacromacro_on_actionpersistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

hop

C2

dnuocc.com:64594

www.dnuocc.com:64594
Mutex

QSR_MUTEX_gKkre5ge46OKHHYV4m

Attributes
  • encryption_key

    MWS1P9A8h60dOGbuRmwt

  • install_name

    hvc.exe

  • log_directory

    Logs

  • reconnect_delay

    4000

  • startup_key

    hrr

  • subdirectory

    hik

Targets

    • Target

      Estado de cuenta.xls

    • Size

      369KB

    • MD5

      f5a8b72709235c68196a397174152660

    • SHA1

      ab863a70358f150e3f0da53c330f7226d46037f4

    • SHA256

      858963fa777ab0af515f7a81ff5ce29ffdda5361c67137cf0be35095bc7f1d9b

    • SHA512

      f3b247cbec98ea8423358b589dde1fb5ea17b66efe169e68536cf901f9309e34c3f9883125fd153908150ae680292987b286ede90b461875ac0557ba368579f1

    • SSDEEP

      6144:exEtjPOtioVjDGUU1qfDlavx+W2QnAbwYqzklWhUPheJl7Gpe8Kg2nOQcSRWQSSL:GwYqzklavDiknOfySloh16I

    Score
    10/10
    quasarhoppersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • 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

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks