quasar | e590307144fe2e574d4be4d45503831f70140d2f654040e2ba0b151b5fdaadf5

Analysis

max time kernel
146s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
25-12-2024 19:27

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General

Target

runway.exe
Size

3.1MB
MD5

f04704f7abfeb777c2f9b7e6ccf5b756
SHA1

b11c4c7e7a9cd661e676d0b1117ceffaf2e4123b
SHA256

e590307144fe2e574d4be4d45503831f70140d2f654040e2ba0b151b5fdaadf5
SHA512

a0a9e070230c0141fb6f5cbc69c9179b7c72a6ccb584975af4ee66f79d4c1e5af341f4bdb89973db001e260f9d44219411563de7f8dc93ec2da02bf8cf3d39f6
SSDEEP

49152:uvtD/2oga6ctePEl3s3jn7HZkgv4fwQuoQdZZgTHHB72eh2NT:uvR/2oga6ctePEl3s3L7HZkgQfw75

Score

10^/10

quasar minecraft_updater spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

minecraft_updater

desktop-ukmnq5d-wsdapi.at.remote.it:33008

Mutex

182d06ff-972f-4a96-b344-59a01694d374

Attributes

encryption_key
C5904FDD788EA00F921C538B9FE80C0B0A0DE728
install_name
MinecraftUpdater.exe
log_directory
Logs
reconnect_delay
3000
startup_key
MinecraftUpdater
subdirectory
SubDir

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/2312-1-0x0000000000F90000-0x00000000012B4000-memory.dmp	family_quasar
behavioral2/files/0x001a00000002aad4-5.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
1744	MinecraftUpdater.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
2460	schtasks.exe
4016	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	runway.exe
Token: SeDebugPrivilege	1744	MinecraftUpdater.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1744	MinecraftUpdater.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2460	2312	runway.exe	77
PID 2312 wrote to memory of 2460	2312	runway.exe	77
PID 2312 wrote to memory of 1744	2312	runway.exe	79
PID 2312 wrote to memory of 1744	2312	runway.exe	79
PID 1744 wrote to memory of 4016	1744	MinecraftUpdater.exe	80
PID 1744 wrote to memory of 4016	1744	MinecraftUpdater.exe	80

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\runway.exe
"C:\Users\Admin\AppData\Local\Temp\runway.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "MinecraftUpdater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2460
- C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "MinecraftUpdater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4016

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

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Downloads

C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe

Filesize
3.1MB

MD5
f04704f7abfeb777c2f9b7e6ccf5b756

SHA1
b11c4c7e7a9cd661e676d0b1117ceffaf2e4123b

SHA256
e590307144fe2e574d4be4d45503831f70140d2f654040e2ba0b151b5fdaadf5

SHA512
a0a9e070230c0141fb6f5cbc69c9179b7c72a6ccb584975af4ee66f79d4c1e5af341f4bdb89973db001e260f9d44219411563de7f8dc93ec2da02bf8cf3d39f6

Download Submit
memory/1744-10-0x00007FFF95450000-0x00007FFF95F12000-memory.dmp

Filesize
10.8MB

Download
memory/1744-11-0x00007FFF95450000-0x00007FFF95F12000-memory.dmp

Filesize
10.8MB

Download
memory/1744-12-0x000000001B500000-0x000000001B550000-memory.dmp

Filesize
320KB

Download
memory/1744-13-0x000000001BDC0000-0x000000001BE72000-memory.dmp

Filesize
712KB

Download
memory/1744-14-0x00007FFF95450000-0x00007FFF95F12000-memory.dmp

Filesize
10.8MB

Download
memory/2312-0-0x00007FFF95453000-0x00007FFF95455000-memory.dmp

Filesize
8KB

Download
memory/2312-1-0x0000000000F90000-0x00000000012B4000-memory.dmp

Filesize
3.1MB

Download
memory/2312-2-0x00007FFF95450000-0x00007FFF95F12000-memory.dmp

Filesize
10.8MB

Download
memory/2312-9-0x00007FFF95450000-0x00007FFF95F12000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads