amadey | 0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	352b1f2f90.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c01a424b30.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 12 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c01a424b30.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c01a424b30.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	352b1f2f90.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	352b1f2f90.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	axplong.exe

Executes dropped EXE 5 IoCs

pid	Process
4708	axplong.exe
4904	352b1f2f90.exe
3060	c01a424b30.exe
1340	axplong.exe
1576	axplong.exe

Identifies Wine through registry keys 2 TTPs 6 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	352b1f2f90.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	c01a424b30.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	axplong.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\352b1f2f90.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1005999001\\352b1f2f90.exe"	axplong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c01a424b30.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1006000001\\c01a424b30.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
4708	axplong.exe
4904	352b1f2f90.exe
3060	c01a424b30.exe
1340	axplong.exe
1576	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.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 4 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	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	352b1f2f90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c01a424b30.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
4708	axplong.exe
4708	axplong.exe
4904	352b1f2f90.exe
4904	352b1f2f90.exe
3060	c01a424b30.exe
3060	c01a424b30.exe
1340	axplong.exe
1340	axplong.exe
1576	axplong.exe
1576	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 4708	4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe	83
PID 4496 wrote to memory of 4708	4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe	83
PID 4496 wrote to memory of 4708	4496	0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe	83
PID 4708 wrote to memory of 4904	4708	axplong.exe	85
PID 4708 wrote to memory of 4904	4708	axplong.exe	85
PID 4708 wrote to memory of 4904	4708	axplong.exe	85
PID 4708 wrote to memory of 3060	4708	axplong.exe	94
PID 4708 wrote to memory of 3060	4708	axplong.exe	94
PID 4708 wrote to memory of 3060	4708	axplong.exe	94

C:\Users\Admin\AppData\Local\Temp\0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe
"C:\Users\Admin\AppData\Local\Temp\0fa7320f3bf77cf1b99b1a3cc0879707d594dbef26aac36a9b0013812a53707e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Users\Admin\AppData\Local\Temp\1005999001\352b1f2f90.exe
    "C:\Users\Admin\AppData\Local\Temp\1005999001\352b1f2f90.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4904
- - C:\Users\Admin\AppData\Local\Temp\1006000001\c01a424b30.exe
    "C:\Users\Admin\AppData\Local\Temp\1006000001\c01a424b30.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3060

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1340

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

4

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2