quasar | dce91f89aa58769be83590d95ca759496b9526504f93341707f49d304aeafd1a

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 18:54

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General

Target

Fornite.exe
Size

3.1MB
MD5

48aec1dda8d4ae1306c724aedbe46b34
SHA1

630be12af505a34d8364f1f877f2e7a5eb9e3fb5
SHA256

dce91f89aa58769be83590d95ca759496b9526504f93341707f49d304aeafd1a
SHA512

4308b6186231d97c1b7f21ed48c7c21a4b21f6d01762e304c7d459651767b48ae408e19dec72be03e860ebaeee8b046ab43c437d404fbe4751865f9891cbafd7
SSDEEP

49152:uv7I22SsaNYfdPBldt698dBcjHTIbde8Mf6soGd/KTHHB72eh2NT:uvE22SsaNYfdPBldt6+dBcjHTIbdexv

Score

10^/10

quasar gang spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

gang

tree773838873fsddsfsd-45286.portmap.host:45286

Mutex

6db1cf6e-3d82-43ce-a6bc-f6707b3cb43c

Attributes

encryption_key
623F2B26E2573C612C775F98AA4DD0644A76715E
install_name
Spoofer.exe
log_directory
Logs
reconnect_delay
3000
startup_key
SYSTEM
subdirectory
test

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/4424-1-0x0000000000A50000-0x0000000000D74000-memory.dmp	family_quasar
behavioral2/files/0x0007000000023c91-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
4240	Spoofer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
3148	schtasks.exe
1960	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	Fornite.exe
Token: SeDebugPrivilege	4240	Spoofer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4240	Spoofer.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4240	Spoofer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4240	Spoofer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 3148	4424	Fornite.exe	83
PID 4424 wrote to memory of 3148	4424	Fornite.exe	83
PID 4424 wrote to memory of 4240	4424	Fornite.exe	85
PID 4424 wrote to memory of 4240	4424	Fornite.exe	85
PID 4240 wrote to memory of 1960	4240	Spoofer.exe	86
PID 4240 wrote to memory of 1960	4240	Spoofer.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\Fornite.exe
"C:\Users\Admin\AppData\Local\Temp\Fornite.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "SYSTEM" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\test\Spoofer.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3148
- C:\Users\Admin\AppData\Roaming\test\Spoofer.exe
  "C:\Users\Admin\AppData\Roaming\test\Spoofer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4240
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "SYSTEM" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\test\Spoofer.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1960

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\test\Spoofer.exe

Filesize
3.1MB

MD5
48aec1dda8d4ae1306c724aedbe46b34

SHA1
630be12af505a34d8364f1f877f2e7a5eb9e3fb5

SHA256
dce91f89aa58769be83590d95ca759496b9526504f93341707f49d304aeafd1a

SHA512
4308b6186231d97c1b7f21ed48c7c21a4b21f6d01762e304c7d459651767b48ae408e19dec72be03e860ebaeee8b046ab43c437d404fbe4751865f9891cbafd7

Download Submit
memory/4240-9-0x00007FFC7BC90000-0x00007FFC7C751000-memory.dmp

Filesize
10.8MB

Download
memory/4240-11-0x00007FFC7BC90000-0x00007FFC7C751000-memory.dmp

Filesize
10.8MB

Download
memory/4240-12-0x000000001C090000-0x000000001C0E0000-memory.dmp

Filesize
320KB

Download
memory/4240-13-0x000000001C1A0000-0x000000001C252000-memory.dmp

Filesize
712KB

Download
memory/4240-14-0x00007FFC7BC90000-0x00007FFC7C751000-memory.dmp

Filesize
10.8MB

Download
memory/4424-0-0x00007FFC7BC93000-0x00007FFC7BC95000-memory.dmp

Filesize
8KB

Download
memory/4424-1-0x0000000000A50000-0x0000000000D74000-memory.dmp

Filesize
3.1MB

Download
memory/4424-2-0x00007FFC7BC90000-0x00007FFC7C751000-memory.dmp

Filesize
10.8MB

Download
memory/4424-10-0x00007FFC7BC90000-0x00007FFC7C751000-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