quasar | 294c268efe55818145590eb683f9df4fa627c16ce98a7edc3b961e63da818eca

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2025 15:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Client-built1.exe
Size

3.1MB
MD5

3d821a2452c810ca043d7236a7f8c708
SHA1

b5098acfd5ac4315c6a8b62456e0fd96704bca1e
SHA256

294c268efe55818145590eb683f9df4fa627c16ce98a7edc3b961e63da818eca
SHA512

04984e86ef06e06b856e56d4376c1dbf5f47e1314336d6ecf208e64dcecebfa0daaf1b95f98a1209c23468bd97ce1d08b84547bd9e8d6f0fe02b2ac819b33034
SSDEEP

49152:Lv+lL26AaNeWgPhlmVqvMQ7XSKspDiEQsikCxSLoGNPPTHHB72eh2NT:LvuL26AaNeWgPhlmVqkQ7XSKspDuc

Score

10^/10

quasar minecraft spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Minecraft

rnyim-54-151-198-235.a.free.pinggy.link:43709

Mutex

5720af06-b029-4d6b-b4d7-45b6532cef54

Attributes

encryption_key
B81264084608EFD739EAF1A6BEDE545489766171
install_name
minecraft.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Intel Graphics Drivers
subdirectory
minecraft

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/memory/4996-1-0x0000000000330000-0x0000000000654000-memory.dmp	family_quasar
behavioral2/files/0x000a000000023b89-8.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2188	minecraft.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2952	schtasks.exe
972	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4996	Client-built1.exe
Token: SeDebugPrivilege	2188	minecraft.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2188	minecraft.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 2952	4996	Client-built1.exe	82
PID 4996 wrote to memory of 2952	4996	Client-built1.exe	82
PID 4996 wrote to memory of 2188	4996	Client-built1.exe	84
PID 4996 wrote to memory of 2188	4996	Client-built1.exe	84
PID 2188 wrote to memory of 972	2188	minecraft.exe	85
PID 2188 wrote to memory of 972	2188	minecraft.exe	85

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

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Client-built1.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built1.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "Intel Graphics Drivers" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\minecraft\minecraft.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2952
- C:\Users\Admin\AppData\Roaming\minecraft\minecraft.exe
  "C:\Users\Admin\AppData\Roaming\minecraft\minecraft.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2188
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Intel Graphics Drivers" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\minecraft\minecraft.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\minecraft\minecraft.exe

Filesize
3.1MB

MD5
3d821a2452c810ca043d7236a7f8c708

SHA1
b5098acfd5ac4315c6a8b62456e0fd96704bca1e

SHA256
294c268efe55818145590eb683f9df4fa627c16ce98a7edc3b961e63da818eca

SHA512
04984e86ef06e06b856e56d4376c1dbf5f47e1314336d6ecf208e64dcecebfa0daaf1b95f98a1209c23468bd97ce1d08b84547bd9e8d6f0fe02b2ac819b33034

Download Submit
memory/2188-10-0x00007FFCE6AF0000-0x00007FFCE75B1000-memory.dmp

Filesize
10.8MB

Download
memory/2188-11-0x00007FFCE6AF0000-0x00007FFCE75B1000-memory.dmp

Filesize
10.8MB

Download
memory/2188-12-0x000000001D120000-0x000000001D170000-memory.dmp

Filesize
320KB

Download
memory/2188-13-0x000000001D230000-0x000000001D2E2000-memory.dmp

Filesize
712KB

Download
memory/2188-16-0x000000001D1B0000-0x000000001D1C2000-memory.dmp

Filesize
72KB

Download
memory/2188-17-0x000000001D930000-0x000000001D96C000-memory.dmp

Filesize
240KB

Download
memory/2188-18-0x00007FFCE6AF0000-0x00007FFCE75B1000-memory.dmp

Filesize
10.8MB

Download
memory/4996-0-0x00007FFCE6AF3000-0x00007FFCE6AF5000-memory.dmp

Filesize
8KB

Download
memory/4996-1-0x0000000000330000-0x0000000000654000-memory.dmp

Filesize
3.1MB

Download
memory/4996-2-0x00007FFCE6AF0000-0x00007FFCE75B1000-memory.dmp

Filesize
10.8MB

Download
memory/4996-9-0x00007FFCE6AF0000-0x00007FFCE75B1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads