quasar | f12649686e60f0d7f8bebb9c6c3dfd643f0c706f4bdaec49d651e9ff0fad7fbd

General

Target

32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
Size

3.1MB
MD5

32a233c6cbe98d7457fb45b086aed120
SHA1

a43e35a5edc2a94db1d06f066d1a90cb3c90200d
SHA256

f12649686e60f0d7f8bebb9c6c3dfd643f0c706f4bdaec49d651e9ff0fad7fbd
SHA512

e88b41bc132a74ef6d99d65346202a582278e31659a4d21a71a9cdc0a4df8ad3ede38141df90e5bb0f4a3e92057b1a93e978800317a9ac86a237d22070070cf6
SSDEEP

49152:bv+lL26AaNeWgPhlmVqvMQ7XSKSh6u1JBL/GdDCTHHB72eh2NT:bvuL26AaNeWgPhlmVqkQ7XSKSh6MS

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

2a0a:ef40:e4d:2101:29a7:c4aa:c78c:2099:4782

Mutex

f462053d-454d-4001-9f66-dd505b85431b

Attributes

encryption_key
5D4BAF3712899D2801361E6C34F5B11829B6F1E3
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 payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2928-1-0x00000000010D0000-0x00000000013F4000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar
behavioral1/memory/2808-10-0x0000000000830000-0x0000000000B54000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

Client.exe

pid process

2808 Client.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2204 schtasks.exe
2732 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exeClient.exe

description pid process

Token: SeDebugPrivilege 2928 32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
Token: SeDebugPrivilege 2808 Client.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Client.exe

pid process

2808 Client.exe

pid	process
2808	Client.exe

pid	process
2204	schtasks.exe
2732	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
Token: SeDebugPrivilege	2808	Client.exe

pid	process
2808	Client.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exeClient.exe

description	pid	process	target process
PID 2928 wrote to memory of 2204	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	schtasks.exe
PID 2928 wrote to memory of 2204	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	schtasks.exe
PID 2928 wrote to memory of 2204	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	schtasks.exe
PID 2928 wrote to memory of 2808	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	Client.exe
PID 2928 wrote to memory of 2808	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	Client.exe
PID 2928 wrote to memory of 2808	2928	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	Client.exe
PID 2808 wrote to memory of 2732	2808	Client.exe	schtasks.exe
PID 2808 wrote to memory of 2732	2808	Client.exe	schtasks.exe
PID 2808 wrote to memory of 2732	2808	Client.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2204

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808

C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2732

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
Filesize
3.1MB

MD5
32a233c6cbe98d7457fb45b086aed120

SHA1
a43e35a5edc2a94db1d06f066d1a90cb3c90200d

SHA256
f12649686e60f0d7f8bebb9c6c3dfd643f0c706f4bdaec49d651e9ff0fad7fbd

SHA512
e88b41bc132a74ef6d99d65346202a582278e31659a4d21a71a9cdc0a4df8ad3ede38141df90e5bb0f4a3e92057b1a93e978800317a9ac86a237d22070070cf6

Download Submit
memory/2808-10-0x0000000000830000-0x0000000000B54000-memory.dmp

Filesize
3.1MB

Download
memory/2808-8-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download
memory/2808-11-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download
memory/2808-12-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download
memory/2928-0-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp

Filesize
4KB

Download
memory/2928-1-0x00000000010D0000-0x00000000013F4000-memory.dmp

Filesize
3.1MB

Download
memory/2928-2-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download
memory/2928-9-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads