amadey | 172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01

Virtualization/Sandbox Evasion

T1497

Processes:

clip.exeLEAJ.exeLEAJ.exe

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

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

Processes:

LEAJ.exeLEAJ.execlip.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	LEAJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	LEAJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	LEAJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	clip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	clip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	LEAJ.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

Processes:

172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.execlip.exeLEAJ.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	clip.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	LEAJ.exe

Executes dropped EXE 3 IoCs

Processes:

clip.exeLEAJ.exeLEAJ.exe

pid	Process
1320	clip.exe
3440	LEAJ.exe
4112	LEAJ.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral2/memory/8-1-0x0000000000080000-0x0000000000AF0000-memory.dmp	vmprotect
behavioral2/memory/8-2-0x0000000000080000-0x0000000000AF0000-memory.dmp	vmprotect
behavioral2/memory/8-24-0x0000000000080000-0x0000000000AF0000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\clip.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000071051\\clip.exe"	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

Processes:

clip.exeLEAJ.exeLEAJ.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	clip.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	LEAJ.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	LEAJ.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

clip.exeLEAJ.exeLEAJ.exe

pid	Process
1320	clip.exe
3440	LEAJ.exe
4112	LEAJ.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

Processes:

schtasks.exeschtasks.exe

pid	Process
3932	schtasks.exe
4244	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
4988	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe

pid	Process
8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe
8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.execlip.execmd.exeLEAJ.exe

description	pid	Process	procid_target
PID 8 wrote to memory of 3932	8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe	87
PID 8 wrote to memory of 3932	8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe	87
PID 8 wrote to memory of 3932	8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe	87
PID 8 wrote to memory of 1320	8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe	98
PID 8 wrote to memory of 1320	8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe	98
PID 8 wrote to memory of 1320	8	172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe	98
PID 1320 wrote to memory of 1572	1320	clip.exe	100
PID 1320 wrote to memory of 1572	1320	clip.exe	100
PID 1320 wrote to memory of 1572	1320	clip.exe	100
PID 1572 wrote to memory of 4988	1572	cmd.exe	103
PID 1572 wrote to memory of 4988	1572	cmd.exe	103
PID 1572 wrote to memory of 4988	1572	cmd.exe	103
PID 1572 wrote to memory of 3440	1572	cmd.exe	104
PID 1572 wrote to memory of 3440	1572	cmd.exe	104
PID 1572 wrote to memory of 3440	1572	cmd.exe	104
PID 3440 wrote to memory of 4244	3440	LEAJ.exe	105
PID 3440 wrote to memory of 4244	3440	LEAJ.exe	105
PID 3440 wrote to memory of 4244	3440	LEAJ.exe	105

C:\Users\Admin\AppData\Local\Temp\172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe
"C:\Users\Admin\AppData\Local\Temp\172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:8
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN 172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe /TR "C:\Users\Admin\AppData\Local\Temp\172cb28c1c7948ece5287c566e9a684c56e64d85574d1636d5204e168771ce01_JC.exe" /F
  2⤵
  - Creates scheduled task(s)
  PID:3932
- C:\Users\Admin\AppData\Local\Temp\1000071051\clip.exe
  "C:\Users\Admin\AppData\Local\Temp\1000071051\clip.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s10o.0.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1572
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:4988
  - - C:\ProgramData\presepuesto\LEAJ.exe
      "C:\ProgramData\presepuesto\LEAJ.exe"
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Checks computer location settings
      Executes dropped EXE
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious use of WriteProcessMemory
      PID:3440
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /RL HIGHEST /tn "LEAJ" /tr C:\ProgramData\presepuesto\LEAJ.exe /f
        5⤵
        Creates scheduled task(s)
        
        PID:4244

C:\ProgramData\presepuesto\LEAJ.exe
C:\ProgramData\presepuesto\LEAJ.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

System Information Discovery