quasar | hxxps://1337files[.]nl/static/nnDvoz8B/SeroXenPTO[.]rar

General

Target
https://1337files.nl/static/nnDvoz8B/SeroXenPTO.rar
Sample240404-k6x2bsbb4v

Score

10^/10

Malware Config

Targets

- Target
  https://1337files.nl/static/nnDvoz8B/SeroXenPTO.rar
Score

10^/10

quasar evasion spyware themida trojan
- Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar payload
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- Loads dropped DLL
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Quasar RAT

Quasar payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Executes dropped EXE

Loads dropped DLL

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks

static1

urlscan1

behavioral1