amadey | a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875

Virtualization/Sandbox Evasion

Processes:

2n6965.exe3f60z.exe1M26j7.exeskotes.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2n6965.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3f60z.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1M26j7.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 8 IoCs

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

Query Registry

System Information Discovery

Processes:

2n6965.exe3f60z.exe1M26j7.exeskotes.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2n6965.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2n6965.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3f60z.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3f60z.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1M26j7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1M26j7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

1M26j7.exe3f60z.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	1M26j7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	3f60z.exe

Executes dropped EXE 5 IoCs

Processes:

f0A60.exe1M26j7.exeskotes.exe2n6965.exe3f60z.exe

pid process

4216 f0A60.exe
4564 1M26j7.exe
1816 skotes.exe
2276 2n6965.exe
3572 3f60z.exe

pid	process
4216	f0A60.exe
4564	1M26j7.exe
1816	skotes.exe
2276	2n6965.exe
3572	3f60z.exe

Identifies Wine through registry keys 2 TTPs 4 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:

1M26j7.exeskotes.exe2n6965.exe3f60z.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	1M26j7.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	2n6965.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	3f60z.exe

Loads dropped DLL 1 IoCs

Processes:

3f60z.exe

pid process

3572 3f60z.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

pid	process
3572	3f60z.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exef0A60.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	f0A60.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

1M26j7.exeskotes.exe2n6965.exe3f60z.exe

pid process

4564 1M26j7.exe
1816 skotes.exe
2276 2n6965.exe
3572 3f60z.exe
Drops file in Windows directory 1 IoCs

Processes:

1M26j7.exe

description ioc process

File created C:\Windows\Tasks\skotes.job 1M26j7.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4564	1M26j7.exe
1816	skotes.exe
2276	2n6965.exe
3572	3f60z.exe

description	ioc	process
File created	C:\Windows\Tasks\skotes.job	1M26j7.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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:

timeout.exea54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exef0A60.exe1M26j7.exeskotes.exe2n6965.exe3f60z.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0A60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1M26j7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2n6965.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f60z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

3f60z.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3f60z.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3f60z.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4820 timeout.exe
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

1M26j7.exeskotes.exe2n6965.exe3f60z.exe

pid process

4564 1M26j7.exe
4564 1M26j7.exe
1816 skotes.exe
1816 skotes.exe
2276 2n6965.exe
2276 2n6965.exe
3572 3f60z.exe
3572 3f60z.exe
3572 3f60z.exe
3572 3f60z.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

1M26j7.exe

pid process

4564 1M26j7.exe

pid	process
4820	timeout.exe

pid	process
4564	1M26j7.exe
4564	1M26j7.exe
1816	skotes.exe
1816	skotes.exe
2276	2n6965.exe
2276	2n6965.exe
3572	3f60z.exe
3572	3f60z.exe
3572	3f60z.exe
3572	3f60z.exe

pid	process
4564	1M26j7.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exef0A60.exe1M26j7.exe3f60z.execmd.exe

description	pid	process	target process
PID 452 wrote to memory of 4216	452	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe	f0A60.exe
PID 452 wrote to memory of 4216	452	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe	f0A60.exe
PID 452 wrote to memory of 4216	452	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe	f0A60.exe
PID 4216 wrote to memory of 4564	4216	f0A60.exe	1M26j7.exe
PID 4216 wrote to memory of 4564	4216	f0A60.exe	1M26j7.exe
PID 4216 wrote to memory of 4564	4216	f0A60.exe	1M26j7.exe
PID 4564 wrote to memory of 1816	4564	1M26j7.exe	skotes.exe
PID 4564 wrote to memory of 1816	4564	1M26j7.exe	skotes.exe
PID 4564 wrote to memory of 1816	4564	1M26j7.exe	skotes.exe
PID 4216 wrote to memory of 2276	4216	f0A60.exe	2n6965.exe
PID 4216 wrote to memory of 2276	4216	f0A60.exe	2n6965.exe
PID 4216 wrote to memory of 2276	4216	f0A60.exe	2n6965.exe
PID 452 wrote to memory of 3572	452	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe	3f60z.exe
PID 452 wrote to memory of 3572	452	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe	3f60z.exe
PID 452 wrote to memory of 3572	452	a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe	3f60z.exe
PID 3572 wrote to memory of 4468	3572	3f60z.exe	cmd.exe
PID 3572 wrote to memory of 4468	3572	3f60z.exe	cmd.exe
PID 3572 wrote to memory of 4468	3572	3f60z.exe	cmd.exe
PID 4468 wrote to memory of 4820	4468	cmd.exe	timeout.exe
PID 4468 wrote to memory of 4820	4468	cmd.exe	timeout.exe
PID 4468 wrote to memory of 4820	4468	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe
"C:\Users\Admin\AppData\Local\Temp\a54df74ebb8014ea3bfc6f05ecc3afdc409260f37a57d5d9bc1430ac6c211875.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:452
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f0A60.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f0A60.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4216
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1M26j7.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1M26j7.exe
    3⤵
    - 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
    - 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:4564
  - - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      4⤵
      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:1816
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2n6965.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2n6965.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:2276
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3f60z.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3f60z.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
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3572
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3f60z.exe" & del "C:\ProgramData\*.dll"" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4468
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4820

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

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion