Analysis

  • max time kernel
    127s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 12:06

General

  • Target

    0782f6a9cb798ef1ed5bcb8eff9bcb09efd059803f3a969dcace45da67fe52aa.exe

  • Size

    377KB

  • MD5

    02b5ea5c69245d6a4c265e595ef8c4d3

  • SHA1

    d79002dd35e199ef44b349956a0a2ff84b674a4c

  • SHA256

    0782f6a9cb798ef1ed5bcb8eff9bcb09efd059803f3a969dcace45da67fe52aa

  • SHA512

    b3696e21c77495c26398f1bc3f9b5118172db4eae36c37b5b317c61a0fb3d953916604daef32b8dc4a45b04a75fccb763bc98438ba566c90421f4c2e7c75b32a

  • SSDEEP

    6144:b2NHXf500M2jPDvpNbenLkJ2urILard9QDNnon:id50iUkJFYard9QJon

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

print

C2

18.33.224.254:4399

Mutex

QSR_MUTEX_D5MvbxiR33Zic5wesE

Attributes
  • encryption_key

    gujmAfJriPsSXKkcqtIs

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0782f6a9cb798ef1ed5bcb8eff9bcb09efd059803f3a969dcace45da67fe52aa.exe
    "C:\Users\Admin\AppData\Local\Temp\0782f6a9cb798ef1ed5bcb8eff9bcb09efd059803f3a969dcace45da67fe52aa.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3020-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/3020-1-0x0000000000180000-0x00000000001E4000-memory.dmp

    Filesize

    400KB

  • memory/3020-2-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-4-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/3020-5-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB