quasar | 0933eec609cdbe8f29a9b25ed5814eb1cb7481299b0ac8f301e140f1a55efa2a

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 17:05

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General

Target

tester.exe
Size

3.1MB
MD5

27c0523d7437829756f0978f99d8580c
SHA1

9e1ac378cf2d3d050500e4d6ecb9446b4c67b9f9
SHA256

0933eec609cdbe8f29a9b25ed5814eb1cb7481299b0ac8f301e140f1a55efa2a
SHA512

99423319c3ca06559f585204d3ee8ec43d4bd4bc81b457be0ce3dd97e03beef24de7706570c50a445d09427039334aaa4684a62e1cc8ce71ddbf726cd391fa68
SSDEEP

49152:PvTlL26AaNeWgPhlmVqvMQ7XSKTJhVQBxcLoGdtTHHB72eh2NT:PvJL26AaNeWgPhlmVqkQ7XSKjVr

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

agent-sellers.gl.at.ply.gg:4782

Mutex

92c4e81f-9c37-4d95-9999-1d9c889d6132

Attributes

encryption_key
EB7BD173527D0274DC795166855DE989150B7BE8
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/1628-1-0x0000000001130000-0x0000000001454000-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	1628	tester.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1628	tester.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1628	tester.exe

C:\Users\Admin\AppData\Local\Temp\tester.exe
"C:\Users\Admin\AppData\Local\Temp\tester.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1628

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/1628-0-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

Filesize
4KB

Download
memory/1628-1-0x0000000001130000-0x0000000001454000-memory.dmp

Filesize
3.1MB

Download
memory/1628-2-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

Filesize
9.9MB

Download
memory/1628-3-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

Filesize
4KB

Download
memory/1628-4-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

Filesize
9.9MB

Download