quasar | 294c268efe55818145590eb683f9df4fa627c16ce98a7edc3b961e63da818eca

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

C2

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 3 IoCs

resource	yara_rule
behavioral1/memory/2268-1-0x0000000000E10000-0x0000000001134000-memory.dmp	family_quasar
behavioral1/files/0x0009000000016d69-6.dat	family_quasar
behavioral1/memory/2960-10-0x0000000000C10000-0x0000000000F34000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2960	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
2504	schtasks.exe
2888	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	Client-built1.exe
Token: SeDebugPrivilege	2960	minecraft.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2960	minecraft.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2504	2268	Client-built1.exe	29
PID 2268 wrote to memory of 2504	2268	Client-built1.exe	29
PID 2268 wrote to memory of 2504	2268	Client-built1.exe	29
PID 2268 wrote to memory of 2960	2268	Client-built1.exe	31
PID 2268 wrote to memory of 2960	2268	Client-built1.exe	31
PID 2268 wrote to memory of 2960	2268	Client-built1.exe	31
PID 2960 wrote to memory of 2888	2960	minecraft.exe	32
PID 2960 wrote to memory of 2888	2960	minecraft.exe	32
PID 2960 wrote to memory of 2888	2960	minecraft.exe	32

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:2268
- 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:2504
- 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:2960
- - 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:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

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/2268-0-0x000007FEF66E3000-0x000007FEF66E4000-memory.dmp

Filesize
4KB

Download
memory/2268-1-0x0000000000E10000-0x0000000001134000-memory.dmp

Filesize
3.1MB

Download
memory/2268-2-0x000007FEF66E0000-0x000007FEF70CC000-memory.dmp

Filesize
9.9MB

Download
memory/2268-9-0x000007FEF66E0000-0x000007FEF70CC000-memory.dmp

Filesize
9.9MB

Download
memory/2960-8-0x000007FEF66E0000-0x000007FEF70CC000-memory.dmp

Filesize
9.9MB

Download
memory/2960-10-0x0000000000C10000-0x0000000000F34000-memory.dmp

Filesize
3.1MB

Download
memory/2960-11-0x000007FEF66E0000-0x000007FEF70CC000-memory.dmp

Filesize
9.9MB

Download
memory/2960-12-0x000007FEF66E0000-0x000007FEF70CC000-memory.dmp

Filesize
9.9MB

Download
memory/2960-13-0x000007FEF66E0000-0x000007FEF70CC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads