Overview

overview

10

Static

static

10

Client-built.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29-06-2024 11:53

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • MD5

    bd1f079f946ef99be5ee6e8b88a191bb

  • SHA1

    7c43829d868ed665c24b8c023da650fbff4e61f5

  • SHA256

    fb470fd955c36eca5a6bb024706708d191f24d01bf2f1bfdcb60d9d4df409370

  • SHA512

    47cc0acba1b1072a4510e2e8d2fdf1dc5a198af9644e5529c0f9fc607ec9e873ec74a447208ded5ac80402c5af946c47397ae234a7a53fcfab8bf1af67af0cbd

  • SSDEEP

    49152:avnI22SsaNYfdPBldt698dBcjHcMb1bHmZTdobdCTHHB72eh2NT:avI22SsaNYfdPBldt6+dBcjH9b1bQ

Score
10/10
quasartestipspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

TESTIP

C2

nomorehost.zapto.org:16492

Mutex

88de9d82-6909-427b-8a11-f28cf4280285

Attributes
  • encryption_key

    562515CBE0241F4FD48C91375ED3063F997D8AEE

  • 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.

    trojanspywarequasar
  • Quasar payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client-built.exe
    "C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4144

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4144-0-0x00007FFA7DA33000-0x00007FFA7DA35000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4144-1-0x00000000003A0000-0x00000000006C4000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/4144-2-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4144-4-0x000000001B8E0000-0x000000001B992000-memory.dmp
    Filesize

    712KB

    Download
  • memory/4144-3-0x000000001B7D0000-0x000000001B820000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4144-5-0x00007FFA7DA33000-0x00007FFA7DA35000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4144-6-0x00007FFA7DA30000-0x00007FFA7E4F2000-memory.dmp
    Filesize

    10.8MB

    Download