quasar | e79f1f7a293b811cf4de8077a3988c22a726204abdfb2866ba67500e53442f82

Analysis

max time kernel
147s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-12-2024 17:06

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General

Target

Client-built.exe
Size

3.1MB
MD5

33bb52dbc13cd018fbe3737e8893e8a1
SHA1

c5c01d977a107c50952dc0ae442e02d60e093cd5
SHA256

e79f1f7a293b811cf4de8077a3988c22a726204abdfb2866ba67500e53442f82
SHA512

12db6746fd74242cfd5c894b1ff4696b6504ee9af6afd1e0330f8f36228914fbe8b7d1aa4df2648fea37d2c879ab3e6972ae7fa2ea6120f8f0b29ea7132aee3b
SSDEEP

49152:3vbI22SsaNYfdPBldt698dBcjHIGynXvoGdafTHHB72eh2NT:3vk22SsaNYfdPBldt6+dBcjHIGyn/

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

Waix-40247.portmap.host:40247

Mutex

9d84e220-c4b7-4f5c-b179-163c03154a8f

Attributes

encryption_key
B963B2000CDCB4E83B2966F1E1C703720463EE18
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/1764-1-0x00000000002B0000-0x00000000005D4000-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	1764	Client-built.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1764	Client-built.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1764	Client-built.exe

C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1764

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/1764-0-0x000007FEF5833000-0x000007FEF5834000-memory.dmp

Filesize
4KB

Download
memory/1764-1-0x00000000002B0000-0x00000000005D4000-memory.dmp

Filesize
3.1MB

Download
memory/1764-2-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

Filesize
9.9MB

Download
memory/1764-3-0x000007FEF5833000-0x000007FEF5834000-memory.dmp

Filesize
4KB

Download
memory/1764-4-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

Filesize
9.9MB

Download