amadey | cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4af

Virtualization/Sandbox Evasion

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exeaxplong.exee74cd7371d.exe5ca734bd60.exeaxplong.exeaxplong.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e74cd7371d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5ca734bd60.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.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

Processes:

axplong.exe5ca734bd60.exeaxplong.exeaxplong.execd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exee74cd7371d.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5ca734bd60.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5ca734bd60.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	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e74cd7371d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e74cd7371d.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

Processes:

axplong.execd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	axplong.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe

Executes dropped EXE 5 IoCs

Processes:

axplong.exee74cd7371d.exe5ca734bd60.exeaxplong.exeaxplong.exe

pid	Process
952	axplong.exe
1332	e74cd7371d.exe
3460	5ca734bd60.exe
4204	axplong.exe
3152	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

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exeaxplong.exee74cd7371d.exe5ca734bd60.exeaxplong.exeaxplong.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	e74cd7371d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	5ca734bd60.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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

Processes:

axplong.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e74cd7371d.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002201001\\e74cd7371d.exe"	axplong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5ca734bd60.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002202001\\5ca734bd60.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exeaxplong.exee74cd7371d.exe5ca734bd60.exeaxplong.exeaxplong.exe

pid	Process
2884	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
952	axplong.exe
1332	e74cd7371d.exe
3460	5ca734bd60.exe
4204	axplong.exe
3152	axplong.exe

Drops file in Windows directory 1 IoCs

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
3372	3460	WerFault.exe	94
1660	3460	WerFault.exe	94

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

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exeaxplong.exee74cd7371d.exe5ca734bd60.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e74cd7371d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ca734bd60.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exeaxplong.exee74cd7371d.exe5ca734bd60.exeaxplong.exeaxplong.exe

pid	Process
2884	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
2884	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
952	axplong.exe
952	axplong.exe
1332	e74cd7371d.exe
1332	e74cd7371d.exe
3460	5ca734bd60.exe
3460	5ca734bd60.exe
4204	axplong.exe
4204	axplong.exe
3152	axplong.exe
3152	axplong.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exeaxplong.exe

description	pid	Process	procid_target
PID 2884 wrote to memory of 952	2884	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe	88
PID 2884 wrote to memory of 952	2884	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe	88
PID 2884 wrote to memory of 952	2884	cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe	88
PID 952 wrote to memory of 1332	952	axplong.exe	91
PID 952 wrote to memory of 1332	952	axplong.exe	91
PID 952 wrote to memory of 1332	952	axplong.exe	91
PID 952 wrote to memory of 3460	952	axplong.exe	94
PID 952 wrote to memory of 3460	952	axplong.exe	94
PID 952 wrote to memory of 3460	952	axplong.exe	94

C:\Users\Admin\AppData\Local\Temp\cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.exe
"C:\Users\Admin\AppData\Local\Temp\cd363b366407671feb367e5878da0c3ef31818c052c339dd53785fa47725b4afN.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 WriteProcessMemory
PID:2884
- 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:952
- - C:\Users\Admin\AppData\Local\Temp\1002201001\e74cd7371d.exe
    "C:\Users\Admin\AppData\Local\Temp\1002201001\e74cd7371d.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:1332
- - C:\Users\Admin\AppData\Local\Temp\1002202001\5ca734bd60.exe
    "C:\Users\Admin\AppData\Local\Temp\1002202001\5ca734bd60.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:3460
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 1444
      4⤵
      Program crash
      PID:3372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 1472
      4⤵
      Program crash
      PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 3460 -ip 3460
1⤵
PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3460 -ip 3460
1⤵
PID:2432

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:4204

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:3152

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