quasar | 1b68d68b9fd200183c69084e91fe53bd5dca5c501bce1bbf1894034bc69fafe6

Virtualization/Sandbox Evasion

T1497

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

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	p2.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/4272-8-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral1/memory/4272-9-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral1/memory/2404-47-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral1/memory/2404-48-0x0000000000400000-0x0000000001040000-memory.dmp	themida
behavioral1/memory/2404-67-0x0000000000400000-0x0000000001040000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

defense_evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	p2.exe
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
5500	powershell.exe
3600	powershell.exe
5956	powershell.exe
1868	powershell.exe
5188	powershell.exe
3300	powershell.exe

Enumerates connected drives 3 TTPs 8 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

ioc	Process
\??\F:\	powershell.exe
\??\F:\	powershell.exe
\??\F:\	powershell.exe
\??\F:\	powershell.exe
\??\F:\	powershell.exe
\??\F:\	powershell.exe
\??\F:\	powershell.exe
\??\F:\	powershell.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs

defense_evasion

Debugger Evasion

T1622

pid	Process
4272	p2.exe
2404	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
5864	powershell.exe
3760	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 20 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	p2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

pid	Process
5228	schtasks.exe
1852	schtasks.exe
4888	schtasks.exe
4976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
4272	p2.exe
4272	p2.exe
5188	powershell.exe
5188	powershell.exe
2404	p2.exe
2404	p2.exe
5864	powershell.exe
5864	powershell.exe
5864	powershell.exe
3300	powershell.exe
3300	powershell.exe
3760	powershell.exe
3760	powershell.exe
5500	powershell.exe
5500	powershell.exe
3600	powershell.exe
3600	powershell.exe
5956	powershell.exe
5956	powershell.exe
1868	powershell.exe
1868	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	p2.exe
Token: SeDebugPrivilege	5188	powershell.exe
Token: SeDebugPrivilege	2404	p2.exe
Token: SeDebugPrivilege	5864	powershell.exe
Token: SeDebugPrivilege	3300	powershell.exe
Token: SeDebugPrivilege	3760	powershell.exe
Token: SeDebugPrivilege	5500	powershell.exe
Token: SeIncreaseQuotaPrivilege	5500	powershell.exe
Token: SeSecurityPrivilege	5500	powershell.exe
Token: SeTakeOwnershipPrivilege	5500	powershell.exe
Token: SeLoadDriverPrivilege	5500	powershell.exe
Token: SeSystemProfilePrivilege	5500	powershell.exe
Token: SeSystemtimePrivilege	5500	powershell.exe
Token: SeProfSingleProcessPrivilege	5500	powershell.exe
Token: SeIncBasePriorityPrivilege	5500	powershell.exe
Token: SeCreatePagefilePrivilege	5500	powershell.exe
Token: SeBackupPrivilege	5500	powershell.exe
Token: SeRestorePrivilege	5500	powershell.exe
Token: SeShutdownPrivilege	5500	powershell.exe
Token: SeDebugPrivilege	5500	powershell.exe
Token: SeSystemEnvironmentPrivilege	5500	powershell.exe
Token: SeRemoteShutdownPrivilege	5500	powershell.exe
Token: SeUndockPrivilege	5500	powershell.exe
Token: SeManageVolumePrivilege	5500	powershell.exe
Token: 33	5500	powershell.exe
Token: 34	5500	powershell.exe
Token: 35	5500	powershell.exe
Token: 36	5500	powershell.exe
Token: SeDebugPrivilege	3600	powershell.exe
Token: SeIncreaseQuotaPrivilege	3600	powershell.exe
Token: SeSecurityPrivilege	3600	powershell.exe
Token: SeTakeOwnershipPrivilege	3600	powershell.exe
Token: SeLoadDriverPrivilege	3600	powershell.exe
Token: SeSystemProfilePrivilege	3600	powershell.exe
Token: SeSystemtimePrivilege	3600	powershell.exe
Token: SeProfSingleProcessPrivilege	3600	powershell.exe
Token: SeIncBasePriorityPrivilege	3600	powershell.exe
Token: SeCreatePagefilePrivilege	3600	powershell.exe
Token: SeBackupPrivilege	3600	powershell.exe
Token: SeRestorePrivilege	3600	powershell.exe
Token: SeShutdownPrivilege	3600	powershell.exe
Token: SeDebugPrivilege	3600	powershell.exe
Token: SeSystemEnvironmentPrivilege	3600	powershell.exe
Token: SeRemoteShutdownPrivilege	3600	powershell.exe
Token: SeUndockPrivilege	3600	powershell.exe
Token: SeManageVolumePrivilege	3600	powershell.exe
Token: 33	3600	powershell.exe
Token: 34	3600	powershell.exe
Token: 35	3600	powershell.exe
Token: 36	3600	powershell.exe
Token: SeDebugPrivilege	5956	powershell.exe
Token: SeIncreaseQuotaPrivilege	5956	powershell.exe
Token: SeSecurityPrivilege	5956	powershell.exe
Token: SeTakeOwnershipPrivilege	5956	powershell.exe
Token: SeLoadDriverPrivilege	5956	powershell.exe
Token: SeSystemProfilePrivilege	5956	powershell.exe
Token: SeSystemtimePrivilege	5956	powershell.exe
Token: SeProfSingleProcessPrivilege	5956	powershell.exe
Token: SeIncBasePriorityPrivilege	5956	powershell.exe
Token: SeCreatePagefilePrivilege	5956	powershell.exe
Token: SeBackupPrivilege	5956	powershell.exe
Token: SeRestorePrivilege	5956	powershell.exe
Token: SeShutdownPrivilege	5956	powershell.exe
Token: SeDebugPrivilege	5956	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4272	p2.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 5228	4272	p2.exe	99
PID 4272 wrote to memory of 1852	4272	p2.exe	101
PID 4272 wrote to memory of 5188	4272	p2.exe	103
PID 4272 wrote to memory of 5864	4272	p2.exe	110
PID 4272 wrote to memory of 3300	4272	p2.exe	113
PID 4272 wrote to memory of 3760	4272	p2.exe	115
PID 4272 wrote to memory of 2420	4272	p2.exe	117
PID 4272 wrote to memory of 4888	4272	p2.exe	119
PID 4272 wrote to memory of 4784	4272	p2.exe	120
PID 4272 wrote to memory of 4976	4272	p2.exe	123
PID 4272 wrote to memory of 4808	4272	p2.exe	125
PID 4272 wrote to memory of 5160	4272	p2.exe	127
PID 4272 wrote to memory of 3336	4272	p2.exe	129
PID 4272 wrote to memory of 4236	4272	p2.exe	131
PID 4272 wrote to memory of 5500	4272	p2.exe	133
PID 4272 wrote to memory of 3600	4272	p2.exe	136
PID 4272 wrote to memory of 5956	4272	p2.exe	138
PID 4272 wrote to memory of 1868	4272	p2.exe	140

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 computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4272
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5228
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1852
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5188
- 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⤵
  - Enumerates connected drives
  - Hide Artifacts: Ignore Process Interrupts
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5864
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3300
- 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⤵
  - Enumerates connected drives
  - Hide Artifacts: Ignore Process Interrupts
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3760
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_SystemGuard"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4888
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_qidong"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4784
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4976
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_start"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4808
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_SystemGuard"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5160
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_qidong"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3336
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /query /tn "OneDrive_System_Service_start"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4236
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5500
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3600
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5956
- 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
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1868

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:2404

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

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Debugger Evasion

T1622

Hide Artifacts

T1564

Ignore Process Interrupts

T1564.011

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Debugger Evasion

T1622

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery