quasar | 272aa33a3e9ff89993ba531faad69af778271e13cab169c863545fdef2a6e4f7

Reason

Machine shutdown

General

Target

SynapseX.revamaped.rar
Size

160.0MB
MD5

3812a5893a2abdea718831baa062b718
SHA1

d92570b364fbb1632630f97d459833f76ec65807
SHA256

272aa33a3e9ff89993ba531faad69af778271e13cab169c863545fdef2a6e4f7
SHA512

9d2a64c840fb4f9e6053b5692fb792c5a9c822f1d46ca6a6317b4a77c6ae7539d3bd3c55593b06aba6ccf319697984f2467cdba2f8d2ec7851f9a59dea4b6f80
SSDEEP

3145728:mpzMB+crhy8Vm/7kNm6kUhA9DxSs8FpSHNnBBnPmKuLTtvfOw2T:mpQB+cD0/7DUh8LBBnPgXtZ2T

Score

10^/10

quasar windows update spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Windows Update

C2

espinyskibidi-29823.portmap.host:29823

Mutex

a94ba996-69af-4720-85e6-f4929c5eb0f8

Attributes

encryption_key
6F721445F7E0B1CF58980D84A9D49F4458D4EFD9
install_name
Update.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Windows Update Startup
subdirectory
Windows Update

Signatures

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

Quasar payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\Desktop\SynapseX.revamaped\SynapseX revamaped\Synapse X Launcher.exe	family_quasar
behavioral1/memory/1488-40-0x0000000000200000-0x0000000000542000-memory.dmp	family_quasar

Executes dropped EXE 2 IoCs

Processes:

Synapse X Launcher.exeUpdate.exe

pid process

1488 Synapse X Launcher.exe
4964 Update.exe

pid	process
1488	Synapse X Launcher.exe
4964	Update.exe

Drops file in System32 directory 5 IoCs

Processes:

Synapse X Launcher.exeUpdate.exe

description	ioc	process
File created	C:\Windows\system32\Windows Update\Update.exe	Synapse X Launcher.exe
File opened for modification	C:\Windows\system32\Windows Update\Update.exe	Synapse X Launcher.exe
File opened for modification	C:\Windows\system32\Windows Update	Synapse X Launcher.exe
File opened for modification	C:\Windows\system32\Windows Update\Update.exe	Update.exe
File opened for modification	C:\Windows\system32\Windows Update	Update.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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

904 schtasks.exe
3424 schtasks.exe

pid	process
904	schtasks.exe
3424	schtasks.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "203"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

7zG.exeSynapse X Launcher.exeUpdate.exeshutdown.exe

description	pid	process
Token: SeRestorePrivilege	2280	7zG.exe
Token: 35	2280	7zG.exe
Token: SeSecurityPrivilege	2280	7zG.exe
Token: SeSecurityPrivilege	2280	7zG.exe
Token: SeDebugPrivilege	1488	Synapse X Launcher.exe
Token: SeDebugPrivilege	4964	Update.exe
Token: SeShutdownPrivilege	4864	shutdown.exe
Token: SeRemoteShutdownPrivilege	4864	shutdown.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

7zG.exe

pid process

2280 7zG.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

OpenWith.exeLogonUI.exe

pid process

844 OpenWith.exe
2196 LogonUI.exe

pid	process
2280	7zG.exe

pid	process
844	OpenWith.exe
2196	LogonUI.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Synapse X Launcher.exeUpdate.exe

description	pid	process	target process
PID 1488 wrote to memory of 904	1488	Synapse X Launcher.exe	schtasks.exe
PID 1488 wrote to memory of 904	1488	Synapse X Launcher.exe	schtasks.exe
PID 1488 wrote to memory of 4964	1488	Synapse X Launcher.exe	Update.exe
PID 1488 wrote to memory of 4964	1488	Synapse X Launcher.exe	Update.exe
PID 4964 wrote to memory of 3424	4964	Update.exe	schtasks.exe
PID 4964 wrote to memory of 3424	4964	Update.exe	schtasks.exe
PID 4964 wrote to memory of 4864	4964	Update.exe	shutdown.exe
PID 4964 wrote to memory of 4864	4964	Update.exe	shutdown.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:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SynapseX.revamaped.rar
1⤵
- Modifies registry class
PID:1476

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:844

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4660

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\SynapseX.revamaped\" -spe -an -ai#7zMap17622:94:7zEvent18126
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2280

C:\Users\Admin\Desktop\SynapseX.revamaped\SynapseX revamaped\Synapse X Launcher.exe
"C:\Users\Admin\Desktop\SynapseX.revamaped\SynapseX revamaped\Synapse X Launcher.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Windows Update Startup" /sc ONLOGON /tr "C:\Windows\system32\Windows Update\Update.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:904

C:\Windows\system32\Windows Update\Update.exe
"C:\Windows\system32\Windows Update\Update.exe"
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Windows Update Startup" /sc ONLOGON /tr "C:\Windows\system32\Windows Update\Update.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:3424

C:\Windows\System32\shutdown.exe
"C:\Windows\System32\shutdown.exe" /s /t 0
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4864

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a14055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2196

Network

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Desktop\SynapseX.revamaped\SynapseX revamaped\Synapse X Launcher.exe

Filesize
3.2MB

MD5
3854a6572a9a5a25bccbd13664713915

SHA1
b7c3ca681c1dcb328113c5966bbd96aed541ae64

SHA256
6c4367e763852b7afe852905e9d7baba18ac33c1e4eaf8370350824fb3ffce86

SHA512
80fb1425c57d7984da87349efdc0c4508296b58548e62ee4743215edd1058818154cb1207b95ec74299c7b61953f19f71c6ab0d325126efd21d8c5749ad69452

Download Submit
memory/1488-40-0x0000000000200000-0x0000000000542000-memory.dmp

Filesize
3.3MB

Download
memory/4964-47-0x000000001C900000-0x000000001C950000-memory.dmp

Filesize
320KB

Download
memory/4964-48-0x000000001CA10000-0x000000001CAC2000-memory.dmp

Filesize
712KB

Download
memory/4964-51-0x000000001C970000-0x000000001C982000-memory.dmp

Filesize
72KB

Download
memory/4964-52-0x000000001C9D0000-0x000000001CA0C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads