quasar | 9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 06:41

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General

Target

9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe
Size

3.1MB
MD5

6b6cd0ace200ae15a3c40568bd516739
SHA1

c17c2dae1f9d4a3268f51ba9acf2095171408621
SHA256

9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271
SHA512

4330446f193832bc3cdba0461df477ed7b27af44cce83daa7bf4c46afacee37b8e5ce7191573b23604efbeef66b2ed763adc156303e3e3927e1fc315ba22b1cd
SSDEEP

49152:zvTlL26AaNeWgPhlmVqvMQ7XSKBqzRJ69bR3LoGdcsMTHHB72eh2NT:zvJL26AaNeWgPhlmVqkQ7XSKBqzRJ6P

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

100.108.37.105:4444

127.0.0.1:4444

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/2300-1-0x0000000000A20000-0x0000000000D44000-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	2300	9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2300	9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe

C:\Users\Admin\AppData\Local\Temp\9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe
"C:\Users\Admin\AppData\Local\Temp\9746060c7d36d8675945405b0c1928fb6bbcfe1bbac0f4c3247bd245ac6c4271.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2300

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/2300-0-0x000007FEF5233000-0x000007FEF5234000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x0000000000A20000-0x0000000000D44000-memory.dmp

Filesize
3.1MB

Download
memory/2300-2-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download
memory/2300-3-0x000007FEF5233000-0x000007FEF5234000-memory.dmp

Filesize
4KB

Download
memory/2300-4-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp

Filesize
9.9MB

Download