quasar | 30f2c33a8795270263434282d667e0510f57de3946c30df57ceb3f82d35f430b

Analysis

max time kernel
128s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 21:08

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General

Target

MoonX.exe
Size

3.1MB
MD5

067797d057419e6750a73dbc9891abc6
SHA1

38d7ed247ce382277fae0a89ce2bba37d6562857
SHA256

30f2c33a8795270263434282d667e0510f57de3946c30df57ceb3f82d35f430b
SHA512

6eac5b1f361f7173715cba3660d43f06ca342c838d393bfd736e00bf4a4e4da37e95e7e74fbcf40393b9618c173b63221a4c314c3a26e1d21bf8eb880a8ad0a5
SSDEEP

49152:CvIt62XlaSFNWPjljiFa2RoUYIVoOEEqknk/8FvoGdATHHB72eh2NT:CvE62XlaSFNWPjljiFXRoUYIVoOHV

Score

10^/10

quasar moonx spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

MoonX

192.168.1.234:4782

Mutex

4b0292ec-655c-4352-9fd0-766e48d4ced8

Attributes

encryption_key
D553FD53C63DADADB0E2A70013878DFCCBFA988F
install_name
MoonX.exe
log_directory
Logs
reconnect_delay
3000
startup_key
MoonX
subdirectory
SubDir

Signatures

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

Quasar payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1128-1-0x0000000000D10000-0x0000000001034000-memory.dmp	family_quasar
behavioral1/files/0x0008000000019259-6.dat	family_quasar
behavioral1/memory/2464-10-0x00000000003D0000-0x00000000006F4000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

MoonX.exe

pid	Process
2464	MoonX.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

Processes:

schtasks.exeschtasks.exe

pid	Process
2088	schtasks.exe
2636	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MoonX.exeMoonX.exe

description	pid	Process
Token: SeDebugPrivilege	1128	MoonX.exe
Token: SeDebugPrivilege	2464	MoonX.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

MoonX.exeMoonX.exe

description	pid	Process	procid_target
PID 1128 wrote to memory of 2088	1128	MoonX.exe	31
PID 1128 wrote to memory of 2088	1128	MoonX.exe	31
PID 1128 wrote to memory of 2088	1128	MoonX.exe	31
PID 1128 wrote to memory of 2464	1128	MoonX.exe	33
PID 1128 wrote to memory of 2464	1128	MoonX.exe	33
PID 1128 wrote to memory of 2464	1128	MoonX.exe	33
PID 2464 wrote to memory of 2636	2464	MoonX.exe	34
PID 2464 wrote to memory of 2636	2464	MoonX.exe	34
PID 2464 wrote to memory of 2636	2464	MoonX.exe	34

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\MoonX.exe
"C:\Users\Admin\AppData\Local\Temp\MoonX.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "MoonX" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\MoonX.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2088
- C:\Users\Admin\AppData\Roaming\SubDir\MoonX.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\MoonX.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "MoonX" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\MoonX.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2636

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\MoonX.exe

Filesize
3.1MB

MD5
067797d057419e6750a73dbc9891abc6

SHA1
38d7ed247ce382277fae0a89ce2bba37d6562857

SHA256
30f2c33a8795270263434282d667e0510f57de3946c30df57ceb3f82d35f430b

SHA512
6eac5b1f361f7173715cba3660d43f06ca342c838d393bfd736e00bf4a4e4da37e95e7e74fbcf40393b9618c173b63221a4c314c3a26e1d21bf8eb880a8ad0a5

Download Submit
memory/1128-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/1128-1-0x0000000000D10000-0x0000000001034000-memory.dmp

Filesize
3.1MB

Download
memory/1128-2-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/1128-8-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-9-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-10-0x00000000003D0000-0x00000000006F4000-memory.dmp

Filesize
3.1MB

Download
memory/2464-11-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-12-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download