quasar | a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.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	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe

Checks computer location settings 2 TTPs 4 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
45	ip-api.com
30	ip-api.com

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3144 set thread context of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3744 set thread context of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114

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 13 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	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3148	PING.EXE
4424	PING.EXE

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
3148	PING.EXE
4424	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

pid	Process
536	schtasks.exe
3972	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4344	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
Token: SeDebugPrivilege	444	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 536	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	99
PID 3144 wrote to memory of 536	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	99
PID 3144 wrote to memory of 536	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	99
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 3144 wrote to memory of 4344	3144	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	101
PID 4344 wrote to memory of 1528	4344	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	103
PID 4344 wrote to memory of 1528	4344	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	103
PID 4344 wrote to memory of 1528	4344	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	103
PID 1528 wrote to memory of 1780	1528	cmd.exe	105
PID 1528 wrote to memory of 1780	1528	cmd.exe	105
PID 1528 wrote to memory of 1780	1528	cmd.exe	105
PID 1528 wrote to memory of 3148	1528	cmd.exe	106
PID 1528 wrote to memory of 3148	1528	cmd.exe	106
PID 1528 wrote to memory of 3148	1528	cmd.exe	106
PID 1528 wrote to memory of 3744	1528	cmd.exe	110
PID 1528 wrote to memory of 3744	1528	cmd.exe	110
PID 1528 wrote to memory of 3744	1528	cmd.exe	110
PID 3744 wrote to memory of 3972	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	112
PID 3744 wrote to memory of 3972	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	112
PID 3744 wrote to memory of 3972	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	112
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 3744 wrote to memory of 444	3744	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	114
PID 444 wrote to memory of 1932	444	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	116
PID 444 wrote to memory of 1932	444	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	116
PID 444 wrote to memory of 1932	444	a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe	116
PID 1932 wrote to memory of 3280	1932	cmd.exe	118
PID 1932 wrote to memory of 3280	1932	cmd.exe	118
PID 1932 wrote to memory of 3280	1932	cmd.exe	118
PID 1932 wrote to memory of 4424	1932	cmd.exe	119
PID 1932 wrote to memory of 4424	1932	cmd.exe	119
PID 1932 wrote to memory of 4424	1932	cmd.exe	119
PID 1932 wrote to memory of 3340	1932	cmd.exe	121
PID 1932 wrote to memory of 3340	1932	cmd.exe	121
PID 1932 wrote to memory of 3340	1932	cmd.exe	121

C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
"C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LmJmpmdSYXRV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp656C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:536
- C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
  "C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4344
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XzstfXbf8V33.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:1780
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 10 localhost
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3148
  - - C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
      "C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe"
      4⤵
      Looks for VirtualBox Guest Additions in registry
      Looks for VMWare Tools registry key
      Checks BIOS information in registry
      Checks computer location settings
      Maps connected drives based on registry
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3744
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LmJmpmdSYXRV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5049.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:3972
    - - C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
        
        "C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe"
        5⤵
        Checks computer location settings
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:444
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eTKYcXpmsjon.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1932
        
        C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:3280
        
        C:\Windows\SysWOW64\PING.EXE
        
        ping -n 10 localhost
        7⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:4424
        
        C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe
        
        "C:\Users\Admin\AppData\Local\Temp\a8f8595e1b3174a4cc26bde2e09cbd02319fe2a5588af2143af336a6d091107a.exe"
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:3340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

Remote System Discovery

T1018

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion