Resubmissions

04-05-2024 05:10

240504-ft619aea3y 10

04-05-2024 05:06

240504-frlbrsdh81 10

General

  • Target

    ArgonOSINT.exe

  • Size

    409KB

  • Sample

    240504-frlbrsdh81

  • MD5

    c4f70954d48c8653fde31fc63c619fc8

  • SHA1

    c2fe0bc4eab66f6cbf19ab3a80817eba8084982e

  • SHA256

    dbc30b002dad39a45fdd36c509d854dc931662235886f01ec149cd8cf904ddb5

  • SHA512

    1a0db425192d25f1e96ac43a5ae18ff530ef11e2f1526fd6677f4b82b04e212679c347f5647be0d72665e2f587c2824b19d2104c48546eb049ae27fb7470defc

  • SSDEEP

    12288:UpyJcC+x6AoV5l+6KprKF/UV6u4W0pDs:kwd+mDsV6u4g

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

even-lemon.gl.at.ply.gg:33587

Mutex

$Sxr-3vDee7FzoJnhqjuE3n

Attributes
  • encryption_key

    BfQu2aop09VkjugTkmuc

  • install_name

    $sxr-powershell.exe

  • log_directory

    Logs

  • reconnect_delay

    1000

  • startup_key

    $sxr-powershell

  • subdirectory

    Windows

Targets

    • Target

      ArgonOSINT.exe

    • Size

      409KB

    • MD5

      c4f70954d48c8653fde31fc63c619fc8

    • SHA1

      c2fe0bc4eab66f6cbf19ab3a80817eba8084982e

    • SHA256

      dbc30b002dad39a45fdd36c509d854dc931662235886f01ec149cd8cf904ddb5

    • SHA512

      1a0db425192d25f1e96ac43a5ae18ff530ef11e2f1526fd6677f4b82b04e212679c347f5647be0d72665e2f587c2824b19d2104c48546eb049ae27fb7470defc

    • SSDEEP

      12288:UpyJcC+x6AoV5l+6KprKF/UV6u4W0pDs:kwd+mDsV6u4g

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Tasks