quasar | 677b229363785a056c131021f5bd3ff397134900fd99ae5638bb4323c3a2683c

Analysis

max time kernel
121s
max time network
173s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 19:31 UTC

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General

Target

honestly/MyPcGonnaExplode - Copy (101) - Copy.exe
Size

3.1MB
MD5

e35e3f1f51f82cb73c7b70451878c263
SHA1

764f6f6c17c5e3e3b88513975c94d635842f1bd8
SHA256

58606efb4cc178df08094a25618cda8a117ee7b06371f2d8ac980bd218d013c9
SHA512

5fcdfd52eb1dd60542563338ec240d4981a25d157d3fbc96be55706f950f48c6433ed87225ac9311308094954227bdca983a11c91472c5c29b860b48be24815b
SSDEEP

49152:PvyI22SsaNYfdPBldt698dBcjHjGVv9ToGdxTHHB72eh2NT:Pvf22SsaNYfdPBldt6+dBcjHjGVvp

Score

10^/10

quasar test spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

test

91.109.178.8:7070

Mutex

d933480a-c837-40f6-9fb3-c6401087e068

Attributes

encryption_key
2C0C62BDD42E42BC77F98F8E1EE713B43F791267
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral19/memory/1452-1-0x0000000000800000-0x0000000000B24000-memory.dmp	family_quasar

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2876	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	MyPcGonnaExplode - Copy (101) - Copy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 2876	1452	MyPcGonnaExplode - Copy (101) - Copy.exe	29
PID 1452 wrote to memory of 2876	1452	MyPcGonnaExplode - Copy (101) - Copy.exe	29
PID 1452 wrote to memory of 2876	1452	MyPcGonnaExplode - Copy (101) - Copy.exe	29

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\honestly\MyPcGonnaExplode - Copy (101) - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\honestly\MyPcGonnaExplode - Copy (101) - Copy.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2876

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

memory/1452-0-0x000007FEF6EB3000-0x000007FEF6EB4000-memory.dmp

Filesize
4KB

Download
memory/1452-1-0x0000000000800000-0x0000000000B24000-memory.dmp

Filesize
3.1MB

Download
memory/1452-2-0x000007FEF6EB0000-0x000007FEF789C000-memory.dmp

Filesize
9.9MB

Download
memory/1452-4-0x000007FEF6EB3000-0x000007FEF6EB4000-memory.dmp

Filesize
4KB

Download
memory/1452-5-0x000007FEF6EB0000-0x000007FEF789C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads

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