Overview

overview

10

Static

static

10

1423a4be11...18.exe

windows7-x64

10

1423a4be11...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 19:23

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General

  • Target

    1423a4be112f647fe95730150a842627_JaffaCakes118.exe

  • Size

    348KB

  • MD5

    1423a4be112f647fe95730150a842627

  • SHA1

    ad705962c70d6d74afc7f69051c809240c1dc7d3

  • SHA256

    7655e16003aa8856e7585f5d4b76d39f9e56b784442c9523d9f0b7b9c85b714b

  • SHA512

    0df8a840711259c5026d20c069e45a996aa92e821ac870d0ae66760617e31ce5feecbdf3b03a16f3945b13df1279c1902c9a46c498b0b235217e127e49157cb0

  • SSDEEP

    6144:b+NHXf500MwDjCTHYr1b8i4YunbL/zMoXDme:6d50sjGoP4YunHAoXDme

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Slave

C2

134.209.192.40:4782

Mutex

QSR_MUTEX_k8JOK9yrF6X0eZEc1V

Attributes
  • encryption_key

    Mx5vn03LCy6ul2fLffQw

  • 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 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1423a4be112f647fe95730150a842627_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1423a4be112f647fe95730150a842627_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\SubDir\Client.exe
    Filesize

    348KB

    MD5

    1423a4be112f647fe95730150a842627

    SHA1

    ad705962c70d6d74afc7f69051c809240c1dc7d3

    SHA256

    7655e16003aa8856e7585f5d4b76d39f9e56b784442c9523d9f0b7b9c85b714b

    SHA512

    0df8a840711259c5026d20c069e45a996aa92e821ac870d0ae66760617e31ce5feecbdf3b03a16f3945b13df1279c1902c9a46c498b0b235217e127e49157cb0

    Download Submit
  • memory/2648-9-0x0000000000F70000-0x0000000000FCE000-memory.dmp
    Filesize

    376KB

    Download
  • memory/2648-11-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2648-10-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2648-13-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2740-0-0x000000007414E000-0x000000007414F000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2740-1-0x0000000001120000-0x000000000117E000-memory.dmp
    Filesize

    376KB

    Download
  • memory/2740-2-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2740-12-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

    Download