gh0strat | ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240620171.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 9 IoCs

pid	Process
2416	R.exe
2776	N.exe
1596	TXPlatfor.exe
2748	TXPlatfor.exe
760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
412	Remote Data.exe
4460	._cache_HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
4248	Synaptics.exe
3220	._cache_Synaptics.exe

Loads dropped DLL 3 IoCs

pid	Process
2416	R.exe
2020	svchost.exe
412	Remote Data.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2776-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2776-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2776-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1596-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1596-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1596-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2776-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1596-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2748-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2748-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2748-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240620171.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe

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

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

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\	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4880	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2824	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2748	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2776	N.exe
Token: SeLoadDriverPrivilege	2748	TXPlatfor.exe
Token: SeDebugPrivilege	4460	._cache_HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
Token: SeDebugPrivilege	3220	._cache_Synaptics.exe
Token: 33	2748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2748	TXPlatfor.exe
Token: 33	2748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2748	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
4460	._cache_HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
4460	._cache_HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
3220	._cache_Synaptics.exe
3220	._cache_Synaptics.exe
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 2416	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	87
PID 4664 wrote to memory of 2416	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	87
PID 4664 wrote to memory of 2416	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	87
PID 4664 wrote to memory of 2776	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	92
PID 4664 wrote to memory of 2776	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	92
PID 4664 wrote to memory of 2776	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	92
PID 2776 wrote to memory of 2700	2776	N.exe	94
PID 2776 wrote to memory of 2700	2776	N.exe	94
PID 2776 wrote to memory of 2700	2776	N.exe	94
PID 1596 wrote to memory of 2748	1596	TXPlatfor.exe	96
PID 1596 wrote to memory of 2748	1596	TXPlatfor.exe	96
PID 1596 wrote to memory of 2748	1596	TXPlatfor.exe	96
PID 4664 wrote to memory of 760	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	95
PID 4664 wrote to memory of 760	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	95
PID 4664 wrote to memory of 760	4664	ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	95
PID 2020 wrote to memory of 412	2020	svchost.exe	99
PID 2020 wrote to memory of 412	2020	svchost.exe	99
PID 2020 wrote to memory of 412	2020	svchost.exe	99
PID 2700 wrote to memory of 4880	2700	cmd.exe	100
PID 2700 wrote to memory of 4880	2700	cmd.exe	100
PID 2700 wrote to memory of 4880	2700	cmd.exe	100
PID 760 wrote to memory of 4460	760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	102
PID 760 wrote to memory of 4460	760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	102
PID 760 wrote to memory of 4460	760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	102
PID 760 wrote to memory of 4248	760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	103
PID 760 wrote to memory of 4248	760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	103
PID 760 wrote to memory of 4248	760	HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe	103
PID 4248 wrote to memory of 3220	4248	Synaptics.exe	105
PID 4248 wrote to memory of 3220	4248	Synaptics.exe	105
PID 4248 wrote to memory of 3220	4248	Synaptics.exe	105

C:\Users\Admin\AppData\Local\Temp\ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
"C:\Users\Admin\AppData\Local\Temp\ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2416
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2700
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4880
- C:\Users\Admin\AppData\Local\Temp\HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Users\Admin\AppData\Local\Temp\._cache_HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_HD_ad703f331424f586f1fa115208df9a9358eda25570716c933139869f98807e3d.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4460
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4248
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3220

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4544

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240620171.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:412

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1596
- 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:2748

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:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery