Overview

overview

10

Static

static

1

73399ca483...04.exe

windows7-x64

10

73399ca483...04.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    130s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 01:28

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General

  • Target

    73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe

  • Size

    3.6MB

  • MD5

    78a7612603af19fb92d614af1e769f2a

  • SHA1

    c032c86ab52a986d8fb85b4a2ffc4a41d2ec0a80

  • SHA256

    73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04

  • SHA512

    5add757bf13e4e4bf404c7f3015caf0b6c22355ee47a0be11c0bdf7aa1e868b4c49aea1ce0aa899811733be63d96b60c90e410c5c3542500a7cf51dd28380781

  • SSDEEP

    49152:LdbIKJzytEyM67fYoiJTwC/rMIqLwRjwVofSOtGhpGjyxqRlEBPPmgtPXVMNmIqK:RfgEy7755yrkwVwVWSqjePZ9Xg5cI

Score
10/10
quasarnewofficespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

newoffice

C2

117.18.7.76:3782

Mutex

d908c8ed-ea88-484e-a3d2-dcbe66ac7cfc

Attributes
  • encryption_key

    FD2DE574AF7E363A5304DF85B3475F93A948C103

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows 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\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe
    "C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2580

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2580-0-0x0000000000460000-0x0000000000785000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2580-1-0x0000000000460000-0x0000000000785000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2580-2-0x000007FEF50E3000-0x000007FEF50E4000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2580-3-0x000000001BB70000-0x000000001BE94000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2580-4-0x000007FEF50E0000-0x000007FEF5ACC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2580-5-0x000007FEF50E0000-0x000007FEF5ACC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2580-6-0x000007FEF50E0000-0x000007FEF5ACC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2580-7-0x000007FEF50E3000-0x000007FEF50E4000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2580-8-0x000007FEF50E0000-0x000007FEF5ACC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2580-9-0x000007FEF50E0000-0x000007FEF5ACC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2580-10-0x000007FEF50E0000-0x000007FEF5ACC000-memory.dmp
    Filesize

    9.9MB

    Download