quasar | 71188e7e78b2f453e8e8e1465f626b5ed8e31e024612fc451cd25cbf0656332e

Resubmissions

26-12-2024 16:11

241226-tmx2nazqal 10

Analysis

max time kernel
34s
max time network
42s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 16:11

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General

Target

Client-built.exe
Size

3.1MB
MD5

3d96f1810e5a9dd5f086eb77b72d379f
SHA1

45ee6a0ff48f793c8604326eb5e7df2cf7d4fc1a
SHA256

71188e7e78b2f453e8e8e1465f626b5ed8e31e024612fc451cd25cbf0656332e
SHA512

3ce8f80c32038427eebea6f220671bd62c8986a93f6223f7baa96d65a49351502bf317ab85d2b285d6c6c3363fbf24fa5a028cdafab2a902164a6ec6aa28807c
SSDEEP

49152:HvTlL26AaNeWgPhlmVqvMQ7XSKPR9/BxwLoGvRTHHB72eh2NT:HvJL26AaNeWgPhlmVqkQ7XSKPR96

Score

10^/10

quasar client04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Client04

stable-notably-hound.ngrok-free.app:4782

Mutex

0fb4199b-8dca-41a3-9119-beda5c96ed5a

Attributes

encryption_key
A5F0EE2DBE7A3009387617912AFB48C127E2B576
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
behavioral1/memory/1512-1-0x0000000000280000-0x00000000005A4000-memory.dmp	family_quasar

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	Client-built.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	Client-built.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1512	Client-built.exe

C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1512-0-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/1512-1-0x0000000000280000-0x00000000005A4000-memory.dmp

Filesize
3.1MB

Download
memory/1512-2-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/1512-3-0x000000001BCA0000-0x000000001BCF0000-memory.dmp

Filesize
320KB

Download
memory/1512-4-0x000000001BDB0000-0x000000001BE62000-memory.dmp

Filesize
712KB

Download
memory/1512-5-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/1512-6-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download