quasar | 3e7fe3f421b50a884cc30ac892a739e895f4243ed554183deebc7415593ee2d2

General

Target

VaporWave2-1.exe
Size

72.5MB
MD5

af85b5d9c237ea75d4a307d5157c847f
SHA1

84ad14e5d89bd85f0ef1bb5f3269c0d6929c6a53
SHA256

3e7fe3f421b50a884cc30ac892a739e895f4243ed554183deebc7415593ee2d2
SHA512

bf2e7414f1e00d69aaf3dab61a938c3051f429b712d8dcccd3f7a7a32226d42dc66477c1fac7cbb67a326dd05b33de7afbc176ce4280405ac69e2e8dcbdabca3
SSDEEP

6144:UI6bPXhLApfpo8CL1g1N1ZflpUwGbeCqgHcFi9vNnoGjlhjl7k4:lmhAp5CL1g1N1ZfXxpi9vhHl1l7k4

Score

10^/10

quasar general1 discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

general1

C2

servicehos.zapto.org:4444

Mutex

QSR_MUTEX_ksxWAP4ziOqMlreofU

Attributes

encryption_key
i9HUVkY4QNExDOHIMtIX
install_name
svchost.exe
log_directory
Logs
reconnect_delay
3000
startup_key
svchost
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1448-1-0x00000000006E0000-0x000000000073E000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid	Process
4044	svchost.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
12	ip-api.com

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

VaporWave2-1.exeschtasks.exesvchost.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VaporWave2-1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1408	schtasks.exe
2444	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

VaporWave2-1.exesvchost.exe

description	pid	Process
Token: SeDebugPrivilege	1448	VaporWave2-1.exe
Token: SeDebugPrivilege	4044	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid	Process
4044	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

VaporWave2-1.exesvchost.exe

description	pid	Process	procid_target
PID 1448 wrote to memory of 1408	1448	VaporWave2-1.exe	88
PID 1448 wrote to memory of 1408	1448	VaporWave2-1.exe	88
PID 1448 wrote to memory of 1408	1448	VaporWave2-1.exe	88
PID 1448 wrote to memory of 4044	1448	VaporWave2-1.exe	90
PID 1448 wrote to memory of 4044	1448	VaporWave2-1.exe	90
PID 1448 wrote to memory of 4044	1448	VaporWave2-1.exe	90
PID 4044 wrote to memory of 2444	4044	svchost.exe	94
PID 4044 wrote to memory of 2444	4044	svchost.exe	94
PID 4044 wrote to memory of 2444	4044	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\VaporWave2-1.exe
"C:\Users\Admin\AppData\Local\Temp\VaporWave2-1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\VaporWave2-1.exe" /rl HIGHEST /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1408
- C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1448-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/1448-1-0x00000000006E0000-0x000000000073E000-memory.dmp

Filesize
376KB

Download
memory/1448-2-0x0000000005790000-0x0000000005D34000-memory.dmp

Filesize
5.6MB

Download
memory/1448-3-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/1448-4-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/1448-5-0x0000000005160000-0x00000000051C6000-memory.dmp

Filesize
408KB

Download
memory/1448-6-0x0000000005E60000-0x0000000005E72000-memory.dmp

Filesize
72KB

Download
memory/1448-7-0x00000000063A0000-0x00000000063DC000-memory.dmp

Filesize
240KB

Download
memory/1448-15-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4044-14-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/4044-17-0x00000000065F0000-0x00000000065FA000-memory.dmp

Filesize
40KB

Download
memory/4044-18-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads