nanocore | c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f

System Information Discovery

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Manager = "C:\\Program Files (x86)\\DDP Manager\\ddpmgr.exe"	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FC72BAAF-CA82-4267-85C7-FA730F071451}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{35DFDF00-8446-42EC-8DF4-FD3DF6BF34D0}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	pid	process	target process
PID 2040 set thread context of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Drops file in Program Files directory 2 IoCs

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
File opened for modification	C:\Program Files (x86)\DDP Manager\ddpmgr.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

3752 schtasks.exe
2540 schtasks.exe
4488 schtasks.exe

pid	process
3752	schtasks.exe
2540	schtasks.exe
4488	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exec84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

pid	process
3320	powershell.exe
3320	powershell.exe
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

pid process

1496 c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

pid	process
1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exec84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	pid	process
Token: SeDebugPrivilege	3320	powershell.exe
Token: SeDebugPrivilege	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exec84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe

description	pid	process	target process
PID 2040 wrote to memory of 3320	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	powershell.exe
PID 2040 wrote to memory of 3320	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	powershell.exe
PID 2040 wrote to memory of 3320	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	powershell.exe
PID 2040 wrote to memory of 4488	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 2040 wrote to memory of 4488	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 2040 wrote to memory of 4488	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 2040 wrote to memory of 1496	2040	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
PID 1496 wrote to memory of 3752	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 1496 wrote to memory of 3752	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 1496 wrote to memory of 3752	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 1496 wrote to memory of 2540	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 1496 wrote to memory of 2540	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe
PID 1496 wrote to memory of 2540	1496	c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
"C:\Users\Admin\AppData\Local\Temp\c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UaXgSrniDiGTUD.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3320

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UaXgSrniDiGTUD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp124B.tmp"
2⤵
- Creates scheduled task(s)
PID:4488

C:\Users\Admin\AppData\Local\Temp\c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe
"C:\Users\Admin\AppData\Local\Temp\c84ce67e3301da06b2557c15bc368fffa5cf6fe0db842c4662cd2585252cac1f.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp29F9.tmp"
3⤵
- Creates scheduled task(s)
PID:3752

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2A77.tmp"
3⤵
- Creates scheduled task(s)
PID:2540

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

5