quasar | 1b68d68b9fd200183c69084e91fe53bd5dca5c501bce1bbf1894034bc69fafe6

Analysis

max time kernel
5s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/10/2026, 12:26

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General

Target
p2.exe
Size 4.6MB
Sample261001-pmd7bsst2k
SHA256 1b68d68b9fd200183c69084e91fe53bd5dca5c501bce1bbf1894034bc69fafe6
MD5 b1ceadb93463f22943f9677aa330f15a
SHA1 1f37d2345e765100b8dc628bb6ce098472891fe0
SHA512 e3011f76e20a14bb823380df026d08f8dbc440922e05d97ad5894b11cfd69ac5325dc32c1e724e44424ff32b30d647bc75fc8c963886d0cd436a56743e18849f
SSDEEP 98304:/RHxlqvc70zd7sWExoYnQyRazSzsDm8ijFeR/asE8DX/Pe1qN84S:Zxlq070JoWc4+zTjKl/2084S
TLSH
T1B62633815EF7410FDF2748F0402BF19CF12D9B8166BE896A2A7D59265C2FAEDE953300
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

lb060424ugftyhg02 defense_evasion discovery execution quasar persistence spyware themida trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

lb060424ugftyhg02

154.23.189.120:17788
154.23.189.194:17788
154.23.189.222:17788

Mutex

c577bdda-efff-46e1-a2e7-298151fd0575

Attributes

encryption_key
0A6B5984241D523876C9FAEB61A7E72F9E54249C
install_name
Clientlb060424qwszfrtffguTest.exe
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
log_directory
Logs
reconnect_delay
3000
startup_key
Telegram Startup
subdirectory
SubDir

Signatures

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

Quasar payload 5 IoCs

resource	yara_rule
behavioral2/memory/1332-4-0x0000000000400000-0x0000000001040000-memory.dmp	family_quasar
behavioral2/memory/1332-5-0x0000000000400000-0x0000000001040000-memory.dmp	family_quasar
behavioral2/memory/4336-32-0x0000000000400000-0x0000000001040000-memory.dmp	family_quasar
behavioral2/memory/4336-33-0x0000000000400000-0x0000000001040000-memory.dmp	family_quasar
behavioral2/memory/4336-44-0x0000000000400000-0x0000000001040000-memory.dmp	family_quasar

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	p2.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	p2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	p2.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1332-4-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral2/memory/1332-5-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral2/memory/4336-32-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral2/memory/4336-33-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral2/memory/4336-44-0x0000000000400000-0x0000000001040000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	p2.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4640	powershell.exe
4132	powershell.exe
3276	powershell.exe
1896	powershell.exe
2476	powershell.exe
3524	powershell.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs

defense_evasion

Debugger Evasion

T1622

pid	Process
1332	p2.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 2 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
5144	powershell.exe
1116	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	p2.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2608	schtasks.exe
4608	schtasks.exe
2372	schtasks.exe
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1332	p2.exe
1332	p2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1332	p2.exe

C:\Users\Admin\AppData\Local\Temp\p2.exe
"C:\Users\Admin\AppData\Local\Temp\p2.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1332
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "OneDrive_System_Service_SystemGuard" /tr "''" /sc minute /mo 60 /ru "BUILTIN\Users" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "OneDrive_System_Service_15min" /tr "'C:\Users\Admin\AppData\Local\Temp\p2.exe'" /sc minute /mo 60 /ru "BUILTIN\Users" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command "mkdir -Force 'D:\me\document\Program'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:2476
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command "Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\p2.exe' -Destination 'D:\me\document\Program\p2.exe' -Force -ErrorAction SilentlyContinue"
  2⤵
  - Hide Artifacts: Ignore Process Interrupts
  PID:5144
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command "mkdir -Force 'D:\me\picture\Program'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:3524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command "Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\p2.exe' -Destination 'D:\me\picture\Program\p2.exe' -Force -ErrorAction SilentlyContinue"
  2⤵
  - Hide Artifacts: Ignore Process Interrupts
  PID:1116
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_SystemGuard"
  2⤵
  PID:3432
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "OneDrive_System_Service_qidong" /tr "'C:\Users\Admin\AppData\Local\Temp\p2.exe'" /sc onlogon /ru "BUILTIN\Users" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_qidong"
  2⤵
  PID:1516
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "OneDrive_System_Service_start" /tr "''" /sc onlogon /ru "BUILTIN\Users" /rl HIGHEST /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2608
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_start"
  2⤵
  PID:2404
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_SystemGuard"
  2⤵
  PID:1172
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_qidong"
  2⤵
  PID:6108
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_start"
  2⤵
  PID:5668
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command " $task = Get-ScheduledTask -TaskName 'OneDrive_System_Service_SystemGuard'; $task.Settings.DisallowStartIfOnBatteries = $false; $task.Settings.StopIfGoingOnBatteries = $false; Set-ScheduledTask $task "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:1896
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command " $task = Get-ScheduledTask -TaskName 'OneDrive_System_Service_qidong'; $task.Settings.DisallowStartIfOnBatteries = $false; $task.Settings.StopIfGoingOnBatteries = $false; Set-ScheduledTask $task "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:4640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command " $task = Get-ScheduledTask -TaskName 'OneDrive_System_Service_start'; $task.Settings.DisallowStartIfOnBatteries = $false; $task.Settings.StopIfGoingOnBatteries = $false; Set-ScheduledTask $task "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:4132
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ExecutionPolicy Bypass -Command " $task = Get-ScheduledTask -TaskName 'OneDrive_System_Service_15min'; $task.Settings.DisallowStartIfOnBatteries = $false; $task.Settings.StopIfGoingOnBatteries = $false; Set-ScheduledTask $task "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:3276

C:\Users\Admin\AppData\Local\Temp\p2.exe
"C:\Users\Admin\AppData\Local\Temp\p2.exe"
1⤵
PID:4336

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Debugger Evasion

T1622

Hide Artifacts

T1564

Ignore Process Interrupts

T1564.011

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Debugger Evasion

T1622

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact