General

  • Target

    FAKTURA DHL.exe

  • Size

    3.7MB

  • Sample

    250204-raf69szkgm

  • MD5

    7c5ba84841c124268a70f0a668d851cb

  • SHA1

    b427e9c43f0a1a361f7bf38d5ea829e09a986f54

  • SHA256

    6af042955207ac4aa13b739d44ab6292af8892ac013444326d15ead0fefdfabe

  • SHA512

    523a026f20a80a120e107fbe32bcf8f8434910f9d20ae12c0cf4469b5a61fe120553f952c1724451ec40d3d043a874b57612278d9ed5834f9e85b4aaf928e64a

  • SSDEEP

    98304:2XxBLBJqj8ysrESFeA4xEa375aqJeZhd9ijkMCIhNVT+lLb:2X7LjgFs5FUEfX3gqANG

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SIM

C2

yuba.ydns.eu:6921

Mutex

c1407Qq42e-4199-420b-b7e3-f2181EdZ44b38970

Attributes
  • encryption_key

    9AE9A56EA56429B2803AB077CB5D2AE3FDEA1BD6

  • install_name

    Edge.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Edge

  • subdirectory

    SubDir

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.keeptraveling-eg.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Do76#Zbbdonia

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      FAKTURA DHL.exe

    • Size

      3.7MB

    • MD5

      7c5ba84841c124268a70f0a668d851cb

    • SHA1

      b427e9c43f0a1a361f7bf38d5ea829e09a986f54

    • SHA256

      6af042955207ac4aa13b739d44ab6292af8892ac013444326d15ead0fefdfabe

    • SHA512

      523a026f20a80a120e107fbe32bcf8f8434910f9d20ae12c0cf4469b5a61fe120553f952c1724451ec40d3d043a874b57612278d9ed5834f9e85b4aaf928e64a

    • SSDEEP

      98304:2XxBLBJqj8ysrESFeA4xEa375aqJeZhd9ijkMCIhNVT+lLb:2X7LjgFs5FUEfX3gqANG

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Agenttesla family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

MITRE ATT&CK Enterprise v15

Tasks