quasar | 7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8

Analysis

max time kernel
101s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2024, 18:13

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General

Target

7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe
Size

5.5MB
MD5

3584fb274935562be16e0acd8481e5e4
SHA1

d50373fba98e34ef9edb68750c79cbf6ee860e84
SHA256

7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8
SHA512

58e8d7612b533f1bdfc51b58d7e10207a74902a77e9182e3963b04e698315b0b76b95a37ef4266ea60ecf50752b56f9b86288421e5428ac170248a5f8ef8e586
SSDEEP

49152:6Syf0i8IRS2kHmKVknMqLXrBaqbh0iIeLEBF07f6pIgzrw+Nmpf8Yx0fSBrTArsr:6Sw0iQ2kH/SMuUWh5

Score

10^/10

quasar office04 discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

10.0.0.182:4782

Mutex

192d54ac-367d-416a-a3fb-94c9867b6bcc

Attributes

encryption_key
A0116FBCBB72242E5F0C86156C74310C2835207A
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
behavioral2/memory/1596-6-0x0000000006AB0000-0x0000000006DD4000-memory.dmp	family_quasar

System Location Discovery: System Language Discovery 1 TTPs 1 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1596	7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1596	7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe

C:\Users\Admin\AppData\Local\Temp\7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe
"C:\Users\Admin\AppData\Local\Temp\7ee3f710d6ca8b838ce11eafbde7e353e364f4ef8673b1286f8cac8e6d2593b8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1596-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1596-1-0x0000000000B40000-0x00000000010BE000-memory.dmp

Filesize
5.5MB

Download
memory/1596-2-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-3-0x0000000001BF0000-0x0000000001BFA000-memory.dmp

Filesize
40KB

Download
memory/1596-4-0x0000000005AB0000-0x0000000005C28000-memory.dmp

Filesize
1.5MB

Download
memory/1596-5-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-6-0x0000000006AB0000-0x0000000006DD4000-memory.dmp

Filesize
3.1MB

Download
memory/1596-7-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-8-0x0000000007A60000-0x0000000008004000-memory.dmp

Filesize
5.6MB

Download
memory/1596-9-0x00000000062F0000-0x0000000006382000-memory.dmp

Filesize
584KB

Download
memory/1596-10-0x0000000006470000-0x000000000647A000-memory.dmp

Filesize
40KB

Download
memory/1596-11-0x0000000008930000-0x0000000008F48000-memory.dmp

Filesize
6.1MB

Download
memory/1596-12-0x0000000008550000-0x00000000085A0000-memory.dmp

Filesize
320KB

Download
memory/1596-13-0x00000000087E0000-0x0000000008892000-memory.dmp

Filesize
712KB

Download
memory/1596-14-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1596-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download