quasar | c1ed20f252eaa28ae2e5fc1bc08c60d9f6beccecf5ad1cb2e8278271c7acda59

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2023 08:33

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General

Target

06470199.exe
Size

3.1MB
MD5

8164a3361f7bb473d898b796ec12d468
SHA1

71d2afe83bedb25eec78188ddc1385361c3d632f
SHA256

c1ed20f252eaa28ae2e5fc1bc08c60d9f6beccecf5ad1cb2e8278271c7acda59
SHA512

e50bec34cc54dcf4fad041277b53f33c1cad64ea4f9352bd2bc144a4b41514b1c33e32245b3385f15fe14019c11c741f167e884de519ea4b2cb6a78dd598421c
SSDEEP

49152:avct62XlaSFNWPjljiFa2RoUYI2YRJ60bR3LoGdWTHHB72eh2NT:avg62XlaSFNWPjljiFXRoUYI2YRJ6+

Score

10^/10

quasar ninjagram spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

ninjagram

nethttp.sytes.net:4782

Mutex

f04d3337-2e5e-4a42-bb35-8f2a600f118f

Attributes

encryption_key
D3749570795A041A5B9B7F71D15CD539096DC336
install_name
boot.exe
log_directory
security
reconnect_delay
1000
startup_key
services
subdirectory
winrn

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4228-133-0x00000000006C0000-0x00000000009E4000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\winrn\boot.exe	family_quasar
C:\Users\Admin\AppData\Roaming\winrn\boot.exe	family_quasar

Executes dropped EXE 1 IoCs

Processes:

boot.exe

pid process

1740 boot.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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4956 schtasks.exe
1960 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

06470199.exeboot.exe

description pid process

Token: SeDebugPrivilege 4228 06470199.exe
Token: SeDebugPrivilege 1740 boot.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

boot.exe

pid process

1740 boot.exe

pid	process
1740	boot.exe

pid	process
4956	schtasks.exe
1960	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4228	06470199.exe
Token: SeDebugPrivilege	1740	boot.exe

pid	process
1740	boot.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

06470199.exeboot.exe

description	pid	process	target process
PID 4228 wrote to memory of 4956	4228	06470199.exe	schtasks.exe
PID 4228 wrote to memory of 4956	4228	06470199.exe	schtasks.exe
PID 4228 wrote to memory of 1740	4228	06470199.exe	boot.exe
PID 4228 wrote to memory of 1740	4228	06470199.exe	boot.exe
PID 1740 wrote to memory of 1960	1740	boot.exe	schtasks.exe
PID 1740 wrote to memory of 1960	1740	boot.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\06470199.exe
"C:\Users\Admin\AppData\Local\Temp\06470199.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4228

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "services" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\winrn\boot.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:4956

C:\Users\Admin\AppData\Roaming\winrn\boot.exe
"C:\Users\Admin\AppData\Roaming\winrn\boot.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "services" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\winrn\boot.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\winrn\boot.exe
Filesize
3.1MB

MD5
8164a3361f7bb473d898b796ec12d468

SHA1
71d2afe83bedb25eec78188ddc1385361c3d632f

SHA256
c1ed20f252eaa28ae2e5fc1bc08c60d9f6beccecf5ad1cb2e8278271c7acda59

SHA512
e50bec34cc54dcf4fad041277b53f33c1cad64ea4f9352bd2bc144a4b41514b1c33e32245b3385f15fe14019c11c741f167e884de519ea4b2cb6a78dd598421c

Download Submit
C:\Users\Admin\AppData\Roaming\winrn\boot.exe
Filesize
3.1MB

MD5
8164a3361f7bb473d898b796ec12d468

SHA1
71d2afe83bedb25eec78188ddc1385361c3d632f

SHA256
c1ed20f252eaa28ae2e5fc1bc08c60d9f6beccecf5ad1cb2e8278271c7acda59

SHA512
e50bec34cc54dcf4fad041277b53f33c1cad64ea4f9352bd2bc144a4b41514b1c33e32245b3385f15fe14019c11c741f167e884de519ea4b2cb6a78dd598421c

Download Submit
memory/1740-141-0x000000001BE20000-0x000000001BE30000-memory.dmp

Filesize
64KB

Download
memory/1740-142-0x0000000003350000-0x00000000033A0000-memory.dmp

Filesize
320KB

Download
memory/1740-143-0x000000001C5E0000-0x000000001C692000-memory.dmp

Filesize
712KB

Download
memory/1740-144-0x00000000031B0000-0x00000000031C2000-memory.dmp

Filesize
72KB

Download
memory/1740-145-0x000000001BDE0000-0x000000001BE1C000-memory.dmp

Filesize
240KB

Download
memory/1740-146-0x000000001BE20000-0x000000001BE30000-memory.dmp

Filesize
64KB

Download
memory/4228-133-0x00000000006C0000-0x00000000009E4000-memory.dmp

Filesize
3.1MB

Download
memory/4228-134-0x000000001B890000-0x000000001B8A0000-memory.dmp

Filesize
64KB

Download