quasar | 69f4a66f38114fe1be13c12c2e776bcded1e66f5a2ff6ced90e8f531fab92a13

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 01:56

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General

Target

munchenpatch.exe
Size

3.1MB
MD5

640097dc24667e400b45801cc6b09488
SHA1

889944a6049a9c5cad4421b4a8f1342470b13a0e
SHA256

69f4a66f38114fe1be13c12c2e776bcded1e66f5a2ff6ced90e8f531fab92a13
SHA512

a97e48cff62f79ad93f66aaa418efc6a67c55b4c68b72cb9793485d4a53676e2580a55d5b501bfd7401b3f248210726a940986e0d1b487702f17fc5496e27489
SSDEEP

49152:rvSI22SsaNYfdPBldt698dBcjHC4mtmzHLoGdr3wTHHB72eh2NT:rv/22SsaNYfdPBldt6+dBcjHC4mSb

Score

10^/10

quasar test spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Test

faggotry.ddns.net:25565

Mutex

5bba1a45-0a0a-4745-a27f-6e99fbd94a44

Attributes

encryption_key
2B29E6D9C897CF8481C0CC8D62B5AFB8AE1BF9E4
install_name
MunchenLoader.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Munchen
subdirectory
Windowsx86

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/228-1-0x0000000000B10000-0x0000000000E34000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023cc3-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
4480	MunchenLoader.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
4568	schtasks.exe
1196	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4480	MunchenLoader.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	munchenpatch.exe
Token: SeDebugPrivilege	4480	MunchenLoader.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4480	MunchenLoader.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 4568	228	munchenpatch.exe	83
PID 228 wrote to memory of 4568	228	munchenpatch.exe	83
PID 228 wrote to memory of 4480	228	munchenpatch.exe	85
PID 228 wrote to memory of 4480	228	munchenpatch.exe	85
PID 4480 wrote to memory of 1196	4480	MunchenLoader.exe	86
PID 4480 wrote to memory of 1196	4480	MunchenLoader.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\munchenpatch.exe
"C:\Users\Admin\AppData\Local\Temp\munchenpatch.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "Munchen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windowsx86\MunchenLoader.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4568
- C:\Users\Admin\AppData\Roaming\Windowsx86\MunchenLoader.exe
  "C:\Users\Admin\AppData\Roaming\Windowsx86\MunchenLoader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4480
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Munchen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windowsx86\MunchenLoader.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1196

C:\Windows\system32\notepad.exe
"C:\Windows\system32\notepad.exe"
1⤵
PID:5072

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\Windowsx86\MunchenLoader.exe

Filesize
3.1MB

MD5
640097dc24667e400b45801cc6b09488

SHA1
889944a6049a9c5cad4421b4a8f1342470b13a0e

SHA256
69f4a66f38114fe1be13c12c2e776bcded1e66f5a2ff6ced90e8f531fab92a13

SHA512
a97e48cff62f79ad93f66aaa418efc6a67c55b4c68b72cb9793485d4a53676e2580a55d5b501bfd7401b3f248210726a940986e0d1b487702f17fc5496e27489

Download Submit
memory/228-0-0x00007FFD31403000-0x00007FFD31405000-memory.dmp

Filesize
8KB

Download
memory/228-1-0x0000000000B10000-0x0000000000E34000-memory.dmp

Filesize
3.1MB

Download
memory/228-2-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/228-9-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/4480-11-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/4480-10-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/4480-12-0x000000001B1C0000-0x000000001B210000-memory.dmp

Filesize
320KB

Download
memory/4480-13-0x000000001B6E0000-0x000000001B792000-memory.dmp

Filesize
712KB

Download
memory/4480-16-0x000000001B6A0000-0x000000001B6B2000-memory.dmp

Filesize
72KB

Download
memory/4480-17-0x000000001C020000-0x000000001C05C000-memory.dmp

Filesize
240KB

Download
memory/4480-18-0x000000001C890000-0x000000001CDB8000-memory.dmp

Filesize
5.2MB

Download
memory/4480-19-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/4480-20-0x00007FFD31400000-0x00007FFD31EC1000-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