quasar | 8c4edf15b2e0bfaaf67d12a3e17e0d6d314ea1df16965c8c1d7d2b83f3bc1c36

Analysis

max time kernel
149s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2025, 11:20

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General

Target

S123.exe
Size

3.1MB
MD5

233a781d28bd3b3a86178c48af135297
SHA1

5d9938e8066ce9dc37f7028317203fc9fda356f7
SHA256

8c4edf15b2e0bfaaf67d12a3e17e0d6d314ea1df16965c8c1d7d2b83f3bc1c36
SHA512

1dff021f0ac95b84633e157d97cde50389a61e55222bde5618812ce94fae10d7e26b0b2eb923c51e1cd664c1a787ffff4e4f988f337ac2af189cf776ce228f72
SSDEEP

49152:DvbI22SsaNYfdPBldt698dBcjH0VG3admz++oGdTjmZTHHB72eh2NT:Dvk22SsaNYfdPBldt6+dBcjH0G3ayj

Score

10^/10

quasar test2 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

test2

118.195.162.44:443

Mutex

68d5e2b3-4339-4659-a181-0c8f9f98a553

Attributes

encryption_key
F5832F3C62E829699663C72111DB268B843C437C
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/4848-1-0x00000000004A0000-0x00000000007C4000-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	4848	S123.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4848	S123.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4848	S123.exe

C:\Users\Admin\AppData\Local\Temp\S123.exe
"C:\Users\Admin\AppData\Local\Temp\S123.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4848

Network

MITRE ATT&CK Enterprise v16

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/4848-0-0x00007FFB95BA3000-0x00007FFB95BA5000-memory.dmp

Filesize
8KB

Download
memory/4848-1-0x00000000004A0000-0x00000000007C4000-memory.dmp

Filesize
3.1MB

Download
memory/4848-2-0x00007FFB95BA0000-0x00007FFB96661000-memory.dmp

Filesize
10.8MB

Download
memory/4848-3-0x000000001D720000-0x000000001D770000-memory.dmp

Filesize
320KB

Download
memory/4848-4-0x000000001D830000-0x000000001D8E2000-memory.dmp

Filesize
712KB

Download
memory/4848-5-0x00007FFB95BA3000-0x00007FFB95BA5000-memory.dmp

Filesize
8KB

Download
memory/4848-6-0x00007FFB95BA0000-0x00007FFB96661000-memory.dmp

Filesize
10.8MB

Download