xred | 3f0aa24c90dbe0ef9a695236b99dd02b51f8c44a83d3ab490a09577e1a9a74dc

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	QRC1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	._cache_QRC1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe

Executes dropped EXE 8 IoCs

pid	Process
5104	QRC1.exe
2824	._cache_QRC1.exe
4920	Synaptics.exe
1620	Client.exe
4616	QRC.exe
4712	._cache_Synaptics.exe
4492	Client.exe
3396	QRC.exe

Loads dropped DLL 3 IoCs

pid	Process
4920	Synaptics.exe
4920	Synaptics.exe
4920	Synaptics.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	QRC1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Windows\\Registry"	Client.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Registry	Client.exe
File opened for modification	C:\Windows\Registry	Client.exe
File created	C:\Windows\Registry	Client.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QRC1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	QRC1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	._cache_QRC1.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	._cache_Synaptics.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	OpenWith.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
3556	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2664	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe
4492	Client.exe
4492	Client.exe
1620	Client.exe
1620	Client.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2460	7zFM.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	2460	7zFM.exe
Token: 35	2460	7zFM.exe
Token: SeSecurityPrivilege	2460	7zFM.exe
Token: SeDebugPrivilege	1620	Client.exe
Token: SeDebugPrivilege	4492	Client.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2460	7zFM.exe
2460	7zFM.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2512	OpenWith.exe
3204	OpenWith.exe
1692	OpenWith.exe
3440	OpenWith.exe
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE
2664	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 2824	5104	QRC1.exe	102
PID 5104 wrote to memory of 2824	5104	QRC1.exe	102
PID 5104 wrote to memory of 4920	5104	QRC1.exe	103
PID 5104 wrote to memory of 4920	5104	QRC1.exe	103
PID 5104 wrote to memory of 4920	5104	QRC1.exe	103
PID 2824 wrote to memory of 1620	2824	._cache_QRC1.exe	105
PID 2824 wrote to memory of 1620	2824	._cache_QRC1.exe	105
PID 2824 wrote to memory of 4616	2824	._cache_QRC1.exe	106
PID 2824 wrote to memory of 4616	2824	._cache_QRC1.exe	106
PID 4920 wrote to memory of 4712	4920	Synaptics.exe	113
PID 4920 wrote to memory of 4712	4920	Synaptics.exe	113
PID 4712 wrote to memory of 4492	4712	._cache_Synaptics.exe	115
PID 4712 wrote to memory of 4492	4712	._cache_Synaptics.exe	115
PID 4712 wrote to memory of 3396	4712	._cache_Synaptics.exe	116
PID 4712 wrote to memory of 3396	4712	._cache_Synaptics.exe	116
PID 4492 wrote to memory of 1104	4492	Client.exe	122
PID 4492 wrote to memory of 1104	4492	Client.exe	122
PID 1104 wrote to memory of 3556	1104	CMD.exe	124
PID 1104 wrote to memory of 3556	1104	CMD.exe	124

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Debug.zip"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2460

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3604

C:\Users\Admin\Desktop\Debug\QRC1.exe
"C:\Users\Admin\Desktop\Debug\QRC1.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Users\Admin\Desktop\Debug\._cache_QRC1.exe
  "C:\Users\Admin\Desktop\Debug\._cache_QRC1.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Users\Admin\AppData\Roaming\Client.exe
    "C:\Users\Admin\AppData\Roaming\Client.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1620
- - C:\Users\Admin\AppData\Roaming\QRC.exe
    "C:\Users\Admin\AppData\Roaming\QRC.exe"
    3⤵
    - Executes dropped EXE
    PID:4616
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4920
- - C:\Users\Admin\Desktop\Debug\._cache_Synaptics.exe
    "C:\Users\Admin\Desktop\Debug\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4712
  - - C:\Users\Admin\AppData\Roaming\Client.exe
      "C:\Users\Admin\AppData\Roaming\Client.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4492
    - - C:\Windows\SYSTEM32\CMD.exe
        
        "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "WIndows Defender" /tr "C:\Windows\Registry" & exit
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1104
      - C:\Windows\system32\schtasks.exe
        
        SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "WIndows Defender" /tr "C:\Windows\Registry"
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:3556
  - - C:\Users\Admin\AppData\Roaming\QRC.exe
      "C:\Users\Admin\AppData\Roaming\QRC.exe"
      4⤵
      Executes dropped EXE
      PID:3396

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2512

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3204

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1692

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3440

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:3436

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

System Information Discovery