gh0strat | 763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 14 IoCs

pid	Process
4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
428	R.exe
4672	Synaptics.exe
2252	N.exe
2952	TXPlatfor.exe
2184	TXPlatfor.exe
2344	HD_._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
876	._cache_Synaptics.exe
4348	R.exe
1396	N.exe
5076	TXPlatfor.exe
1000	TXPlatfor.exe
972	HD_._cache_Synaptics.exe
2372	Remote Data.exe

Loads dropped DLL 4 IoCs

pid	Process
428	R.exe
3688	svchost.exe
4348	R.exe
2372	Remote Data.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

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"	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240620765.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240623125.txt	R.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2252-149-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-148-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2252-147-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2184-181-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2184-183-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2184-187-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2952-159-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2952-158-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2952-156-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2788	4348	WerFault.exe	98
4440	4348	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 18 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	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2728	cmd.exe
2380	PING.EXE
2324	cmd.exe
2952	PING.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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2380	PING.EXE
2952	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3424	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
876	._cache_Synaptics.exe
876	._cache_Synaptics.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2184	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2252	N.exe
Token: SeLoadDriverPrivilege	2184	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1396	N.exe
Token: 33	2184	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2184	TXPlatfor.exe
Token: 33	2184	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2184	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
876	._cache_Synaptics.exe
876	._cache_Synaptics.exe
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE
3424	EXCEL.EXE

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 4636	1188	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	83
PID 1188 wrote to memory of 4636	1188	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	83
PID 1188 wrote to memory of 4636	1188	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	83
PID 4636 wrote to memory of 428	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	84
PID 4636 wrote to memory of 428	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	84
PID 4636 wrote to memory of 428	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	84
PID 1188 wrote to memory of 4672	1188	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	86
PID 1188 wrote to memory of 4672	1188	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	86
PID 1188 wrote to memory of 4672	1188	763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	86
PID 4636 wrote to memory of 2252	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	88
PID 4636 wrote to memory of 2252	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	88
PID 4636 wrote to memory of 2252	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	88
PID 2252 wrote to memory of 2728	2252	N.exe	90
PID 2252 wrote to memory of 2728	2252	N.exe	90
PID 2252 wrote to memory of 2728	2252	N.exe	90
PID 2952 wrote to memory of 2184	2952	TXPlatfor.exe	91
PID 2952 wrote to memory of 2184	2952	TXPlatfor.exe	91
PID 2952 wrote to memory of 2184	2952	TXPlatfor.exe	91
PID 4636 wrote to memory of 2344	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	93
PID 4636 wrote to memory of 2344	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	93
PID 4636 wrote to memory of 2344	4636	._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe	93
PID 2728 wrote to memory of 2380	2728	cmd.exe	95
PID 2728 wrote to memory of 2380	2728	cmd.exe	95
PID 2728 wrote to memory of 2380	2728	cmd.exe	95
PID 4672 wrote to memory of 876	4672	Synaptics.exe	96
PID 4672 wrote to memory of 876	4672	Synaptics.exe	96
PID 4672 wrote to memory of 876	4672	Synaptics.exe	96
PID 876 wrote to memory of 4348	876	._cache_Synaptics.exe	98
PID 876 wrote to memory of 4348	876	._cache_Synaptics.exe	98
PID 876 wrote to memory of 4348	876	._cache_Synaptics.exe	98
PID 876 wrote to memory of 1396	876	._cache_Synaptics.exe	105
PID 876 wrote to memory of 1396	876	._cache_Synaptics.exe	105
PID 876 wrote to memory of 1396	876	._cache_Synaptics.exe	105
PID 1396 wrote to memory of 2324	1396	N.exe	107
PID 1396 wrote to memory of 2324	1396	N.exe	107
PID 1396 wrote to memory of 2324	1396	N.exe	107
PID 876 wrote to memory of 972	876	._cache_Synaptics.exe	108
PID 876 wrote to memory of 972	876	._cache_Synaptics.exe	108
PID 876 wrote to memory of 972	876	._cache_Synaptics.exe	108
PID 5076 wrote to memory of 1000	5076	TXPlatfor.exe	109
PID 5076 wrote to memory of 1000	5076	TXPlatfor.exe	109
PID 5076 wrote to memory of 1000	5076	TXPlatfor.exe	109
PID 3688 wrote to memory of 2372	3688	svchost.exe	114
PID 3688 wrote to memory of 2372	3688	svchost.exe	114
PID 3688 wrote to memory of 2372	3688	svchost.exe	114
PID 2324 wrote to memory of 2952	2324	cmd.exe	116
PID 2324 wrote to memory of 2952	2324	cmd.exe	116
PID 2324 wrote to memory of 2952	2324	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
"C:\Users\Admin\AppData\Local\Temp\763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Users\Admin\AppData\Local\Temp\R.exe
    C:\Users\Admin\AppData\Local\Temp\\R.exe
    3⤵
    - Server Software Component: Terminal Services DLL
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    PID:428
- - C:\Users\Admin\AppData\Local\Temp\N.exe
    C:\Users\Admin\AppData\Local\Temp\\N.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2252
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2728
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 2 127.0.0.1
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2380
- - C:\Users\Admin\AppData\Local\Temp\HD_._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
    C:\Users\Admin\AppData\Local\Temp\HD_._cache_763d52d26e616f36960691cdadab715c5949886c9a4f34f82c6a423d955f59eb.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2344
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:876
  - - C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      PID:4348
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 420
        5⤵
        Program crash
        
        PID:2788
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 500
        5⤵
        Program crash
        
        PID:4440
  - - C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1396
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2324
      - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 2 127.0.0.1
        6⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2952
  - - C:\Users\Admin\AppData\Local\Temp\HD_._cache_Synaptics.exe
      C:\Users\Admin\AppData\Local\Temp\HD_._cache_Synaptics.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:972

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4860

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240620765.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2372

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2184

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:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
1⤵
PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4348 -ip 4348
1⤵
PID:2588

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Executes dropped EXE
  PID:1000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery