quasar | 95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043

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
28/01/2025, 06:40

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General

Target

95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043.exe
Size

3.1MB
MD5

814d032273cdbdc32dc6a232c108129f
SHA1

bd4b3bea0d543dd287fd952a5ae053f649f11fe4
SHA256

95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043
SHA512

1aca47dc3e839f192a0c51c396f1596f03a843c88883a6d4be02ce55647585d6a98e8ed215872661dbe412d9095eabf334fec5545a4a1dcf75a3ebe48dd2cbbf
SSDEEP

49152:mvbI22SsaNYfdPBldt698dBcjH3cMmzlLoGdPTHHB72eh2NT:mvk22SsaNYfdPBldt6+dBcjH3c7

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

100.108.37.105:4444

Mutex

95a85978-c10d-4a09-935b-c02a2a18a609

Attributes

encryption_key
6FDAA03D192B9C03BF83E41A8BBF78996D321E27
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/2492-1-0x0000000000CC0000-0x0000000000FE4000-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	2492	95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2492	95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2492	95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043.exe

C:\Users\Admin\AppData\Local\Temp\95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043.exe
"C:\Users\Admin\AppData\Local\Temp\95e8911b88b45f18c2f415df69166ea5dadc1af3ee4ed79d42ca31dc812c4043.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2492

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/2492-0-0x000007FEF5503000-0x000007FEF5504000-memory.dmp

Filesize
4KB

Download
memory/2492-1-0x0000000000CC0000-0x0000000000FE4000-memory.dmp

Filesize
3.1MB

Download
memory/2492-2-0x000007FEF5500000-0x000007FEF5EEC000-memory.dmp

Filesize
9.9MB

Download
memory/2492-3-0x000007FEF5503000-0x000007FEF5504000-memory.dmp

Filesize
4KB

Download
memory/2492-4-0x000007FEF5500000-0x000007FEF5EEC000-memory.dmp

Filesize
9.9MB

Download