b62f38d60a4f53da440dbccf7c6de49d995260118a36b820fab0d8924108b96d

System Information Discovery

Processes:

INVOICE USA LIST.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	INVOICE USA LIST.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	INVOICE USA LIST.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

INVOICE USA LIST.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	INVOICE USA LIST.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

INVOICE USA LIST.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	INVOICE USA LIST.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	INVOICE USA LIST.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE USA LIST.exe

description pid process target process

PID 4976 set thread context of 208 4976 INVOICE USA LIST.exe INVOICE USA LIST.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2244 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

INVOICE USA LIST.exepowershell.exe

pid process

4976 INVOICE USA LIST.exe
4976 INVOICE USA LIST.exe
4976 INVOICE USA LIST.exe
1688 powershell.exe
1688 powershell.exe

description	pid	process	target process
PID 4976 set thread context of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe

pid	process
2244	schtasks.exe

pid	process
4976	INVOICE USA LIST.exe
4976	INVOICE USA LIST.exe
4976	INVOICE USA LIST.exe
1688	powershell.exe
1688	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INVOICE USA LIST.exeINVOICE USA LIST.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4976	INVOICE USA LIST.exe
Token: SeDebugPrivilege	208	INVOICE USA LIST.exe
Token: SeDebugPrivilege	1688	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

INVOICE USA LIST.exeINVOICE USA LIST.execmd.exe

description	pid	process	target process
PID 4976 wrote to memory of 2244	4976	INVOICE USA LIST.exe	schtasks.exe
PID 4976 wrote to memory of 2244	4976	INVOICE USA LIST.exe	schtasks.exe
PID 4976 wrote to memory of 2244	4976	INVOICE USA LIST.exe	schtasks.exe
PID 4976 wrote to memory of 372	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 372	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 372	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 4976 wrote to memory of 208	4976	INVOICE USA LIST.exe	INVOICE USA LIST.exe
PID 208 wrote to memory of 4356	208	INVOICE USA LIST.exe	cmd.exe
PID 208 wrote to memory of 4356	208	INVOICE USA LIST.exe	cmd.exe
PID 208 wrote to memory of 4356	208	INVOICE USA LIST.exe	cmd.exe
PID 4356 wrote to memory of 1688	4356	cmd.exe	powershell.exe
PID 4356 wrote to memory of 1688	4356	cmd.exe	powershell.exe
PID 4356 wrote to memory of 1688	4356	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YpbouUnhoFq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9431.tmp"
2⤵
- Creates scheduled task(s)
PID:2244

C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe
"{path}"
2⤵
PID:372

C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\cmd.exe
"cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:4356

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

Peripheral Device Discovery