Overview

overview

10

Static

static

10

SynapseX.exe

windows7-x64

10

SynapseX.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    41s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02-06-2024 09:32

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General

  • Target

    SynapseX.exe

  • Size

    3.1MB

  • MD5

    674a2f40a3cfdeb19b4787406f9f947b

  • SHA1

    2fb5232fe4c078a35270aca9dc57f7f8f69b0328

  • SHA256

    790c606fd4e39779b55dacfaa684be5aea2cd3cebd9b26f089c3498399b4b757

  • SHA512

    feab371f1cd8adbd45e560329f4353a91b176a9b5897bf803633ea9f13698a6c6b67c38466f0077f3c93ff0a06467bf43e32a5e1a4ee9d623878f6177d1c918c

  • SSDEEP

    49152:3v6lL26AaNeWgPhlmVqvMQ7XSKWCS21J/LoGd+THHB72eh2NT:3viL26AaNeWgPhlmVqkQ7XSKWCSG

Score
10/10
quasarchasespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Chase

C2

Synapsedoggystyle-51191.portmap.host:51191

Mutex

bfe1d049-722e-41ed-b777-d417eb22f6e7

Attributes
  • encryption_key

    33F77912B4CF70A0AD1E582014B5294301E27672

  • install_name

    Synapase.exe

  • log_directory

    Windows Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    document

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 48 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\SynapseX.exe
    "C:\Users\Admin\AppData\Local\Temp\SynapseX.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Program Files\document\Synapase.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2492
    • C:\Program Files\document\Synapase.exe
      "C:\Program Files\document\Synapase.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\system32\schtasks.exe
        "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Program Files\document\Synapase.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:2720
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2464

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Program Files\document\Synapase.exe
    Filesize

    3.1MB

    MD5

    674a2f40a3cfdeb19b4787406f9f947b

    SHA1

    2fb5232fe4c078a35270aca9dc57f7f8f69b0328

    SHA256

    790c606fd4e39779b55dacfaa684be5aea2cd3cebd9b26f089c3498399b4b757

    SHA512

    feab371f1cd8adbd45e560329f4353a91b176a9b5897bf803633ea9f13698a6c6b67c38466f0077f3c93ff0a06467bf43e32a5e1a4ee9d623878f6177d1c918c

    Download Submit
  • memory/2464-14-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download
  • memory/2464-13-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download
  • memory/2480-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2480-1-0x00000000013B0000-0x00000000016D4000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2480-2-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2480-9-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2504-8-0x0000000000930000-0x0000000000C54000-memory.dmp
    Filesize

    3.1MB

    Download
  • memory/2504-10-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2504-11-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/2504-15-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
    Filesize

    9.9MB

    Download