General

  • Target

    Phantom.exe

  • Size

    764KB

  • Sample

    240701-wb9bna1cmb

  • MD5

    f9dbf286fc2655045699c429f76d708e

  • SHA1

    49ec367b5e8d4035a389469005f96cf717e18f17

  • SHA256

    f4d9d7d07cf500816361daad500873f5d17480ae0ba49f3348435478cf93d949

  • SHA512

    cff7af066fa10c93d1f3b7b460de720f8f64b73c7a0a6be999f2d73bcceb5368e1656492b925d25f0e69132ab263c6198279743db942037108453acbecce3275

  • SSDEEP

    12288:ydSxkJb4ZQivRFZKP0m4FdWaGNGGLUWl6JB+A6+rN6FAZXhqDnxlrug6JnGf:l2Jb4/U8mGWArwCZ6FPxk

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

stop-largely.gl.at.ply.gg:27116

Mutex

$Sxr-kl1r656AGsPQksTmi8

Attributes
  • encryption_key

    WyBm1iVkHZmEnGPMAZWV

  • install_name

    $phantom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    $phantomSTARTUP~MSF

  • subdirectory

    $phantom

Extracted

Family

asyncrat

Botnet

Default

C2

finally-grande.gl.at.ply.gg:25844

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

C2

best-bird.gl.at.ply.gg:27196

super-nearest.gl.at.ply.gg:17835

wiz.bounceme.net:6000

Attributes
  • Install_directory

    %ProgramData%

aes.plain

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

147.185.221.205:52809

Mutex

FANTA~69

Attributes
  • delay

    1

  • install

    false

  • install_file

    Update.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      Phantom.exe

    • Size

      764KB

    • MD5

      f9dbf286fc2655045699c429f76d708e

    • SHA1

      49ec367b5e8d4035a389469005f96cf717e18f17

    • SHA256

      f4d9d7d07cf500816361daad500873f5d17480ae0ba49f3348435478cf93d949

    • SHA512

      cff7af066fa10c93d1f3b7b460de720f8f64b73c7a0a6be999f2d73bcceb5368e1656492b925d25f0e69132ab263c6198279743db942037108453acbecce3275

    • SSDEEP

      12288:ydSxkJb4ZQivRFZKP0m4FdWaGNGGLUWl6JB+A6+rN6FAZXhqDnxlrug6JnGf:l2Jb4/U8mGWArwCZ6FPxk

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detect Xworm Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Command and Control

Web Service

1
T1102

Tasks