quasar | 294c268efe55818145590eb683f9df4fa627c16ce98a7edc3b961e63da818eca

Analysis

max time kernel
35s
max time network
58s
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 15:37

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General

Target

Client-built(1).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/2512-1-0x0000000000600000-0x0000000000924000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023c65-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2196	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
1604	schtasks.exe
3720	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	Client-built(1).exe
Token: SeDebugPrivilege	2196	minecraft.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2196	minecraft.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 1604	2512	Client-built(1).exe	83
PID 2512 wrote to memory of 1604	2512	Client-built(1).exe	83
PID 2512 wrote to memory of 2196	2512	Client-built(1).exe	85
PID 2512 wrote to memory of 2196	2512	Client-built(1).exe	85
PID 2196 wrote to memory of 3720	2196	minecraft.exe	86
PID 2196 wrote to memory of 3720	2196	minecraft.exe	86

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-built(1).exe
"C:\Users\Admin\AppData\Local\Temp\Client-built(1).exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- 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:1604
- 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:2196
- - 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:3720

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

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Downloads

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

Filesize
3.1MB

MD5
3d821a2452c810ca043d7236a7f8c708

SHA1
b5098acfd5ac4315c6a8b62456e0fd96704bca1e

SHA256
294c268efe55818145590eb683f9df4fa627c16ce98a7edc3b961e63da818eca

SHA512
04984e86ef06e06b856e56d4376c1dbf5f47e1314336d6ecf208e64dcecebfa0daaf1b95f98a1209c23468bd97ce1d08b84547bd9e8d6f0fe02b2ac819b33034

Download Submit
memory/2196-10-0x00007FFA484F0000-0x00007FFA48FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2196-11-0x00007FFA484F0000-0x00007FFA48FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2196-12-0x00000000024B0000-0x0000000002500000-memory.dmp

Filesize
320KB

Download
memory/2196-13-0x000000001C820000-0x000000001C8D2000-memory.dmp

Filesize
712KB

Download
memory/2196-16-0x000000001BFC0000-0x000000001BFD2000-memory.dmp

Filesize
72KB

Download
memory/2196-17-0x000000001C020000-0x000000001C05C000-memory.dmp

Filesize
240KB

Download
memory/2196-18-0x00007FFA484F0000-0x00007FFA48FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2512-0-0x00007FFA484F3000-0x00007FFA484F5000-memory.dmp

Filesize
8KB

Download
memory/2512-1-0x0000000000600000-0x0000000000924000-memory.dmp

Filesize
3.1MB

Download
memory/2512-2-0x00007FFA484F0000-0x00007FFA48FB1000-memory.dmp

Filesize
10.8MB

Download
memory/2512-9-0x00007FFA484F0000-0x00007FFA48FB1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads