Overview

overview

10

Static

static

10

2000-68-0x...ry.exe

windows7-x64

10

2000-68-0x...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    85s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2023 18:12

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General

  • Target

    2000-68-0x0000000004390000-0x0000000004414000-memory.exe

  • Size

    528KB

  • MD5

    05a821b048d45593586e283834af604a

  • SHA1

    2c1fd4517b43cd1237f788a07fa03a9571238bff

  • SHA256

    8646623dcb870cff84446170f9b4216764821dc8976bdbb1ad7c2932b1ea4c47

  • SHA512

    34de8cbd9196b5b0a2d8c959f29203d8fb3c6f9f2a473b9d24bd2af80568e8c128b6c3d9ef0a02ff82456d124b4505baaf22214bd0d7c2b46f114de2a3ad6690

  • SSDEEP

    6144:kTEgdc0YYXAGbgiIN2RSBrF8gOfYNw0FdGDTjB2rpYorUicE1QYb8F9tb7VI8cT0:kTEgdfYqbgfFTbFYTmYeW7Pq8cdy

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

91.209.226.129:4477

Mutex

aab8fb23-9414-4086-92a8-8f9df7355991

Attributes
  • encryption_key

    115C3BBD6300A13A8593E1EA090433CDAA8539CA

  • 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
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2000-68-0x0000000004390000-0x0000000004414000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\2000-68-0x0000000004390000-0x0000000004414000-memory.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4712

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4712-132-0x00000000001C0000-0x0000000000244000-memory.dmp
    Filesize

    528KB

    Download
  • memory/4712-133-0x00007FF883FC0000-0x00007FF884A81000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4712-134-0x000000001ADE0000-0x000000001AE30000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4712-135-0x000000001C360000-0x000000001C412000-memory.dmp
    Filesize

    712KB

    Download
  • memory/4712-136-0x00007FF883FC0000-0x00007FF884A81000-memory.dmp
    Filesize

    10.8MB

    Download