gh0strat | 1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327

Modify Registry

T1112

Processes:

TXPlatforn.exe

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

Checks computer location settings 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

Processes:

._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe._cache_Synaptics.exeHD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeSynaptics.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 9 IoCs

Processes:

RVN.exeTXPlatforn.exeHD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeTXPlatforn.exe._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeSynaptics.exeLOL查号器.exe._cache_Synaptics.exeLOL查号器.exe

pid	Process
3188	RVN.exe
4900	TXPlatforn.exe
1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
2132	TXPlatforn.exe
1172	._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
3772	Synaptics.exe
892	LOL查号器.exe
3080	._cache_Synaptics.exe
1876	LOL查号器.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

Processes:

HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3188-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4900-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2132-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2132-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2132-68-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

Processes:

1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.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 11 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

Processes:

LOL查号器.exeRVN.exeHD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exePING.EXE._cache_Synaptics.exeSynaptics.exeLOL查号器.exe1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeTXPlatforn.execmd.exe._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LOL查号器.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.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	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LOL查号器.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

Processes:

PING.EXEcmd.exe

pid	Process
972	PING.EXE
760	cmd.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

Processes:

EXCEL.EXE

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

EXCEL.EXE

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

Processes:

Synaptics.exeHD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
972	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
1108	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

pid	Process
3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
2132	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	3188	RVN.exe
Token: SeLoadDriverPrivilege	2132	TXPlatforn.exe
Token: 33	2132	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2132	TXPlatforn.exe
Token: 33	2132	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2132	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeLOL查号器.exeEXCEL.EXELOL查号器.exe

pid	Process
3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
892	LOL查号器.exe
892	LOL查号器.exe
1108	EXCEL.EXE
1876	LOL查号器.exe
1876	LOL查号器.exe
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeRVN.exeTXPlatforn.execmd.exeHD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exeSynaptics.exe._cache_Synaptics.exe

description	pid	Process	procid_target
PID 3392 wrote to memory of 3188	3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	84
PID 3392 wrote to memory of 3188	3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	84
PID 3392 wrote to memory of 3188	3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	84
PID 3188 wrote to memory of 760	3188	RVN.exe	87
PID 3188 wrote to memory of 760	3188	RVN.exe	87
PID 3188 wrote to memory of 760	3188	RVN.exe	87
PID 3392 wrote to memory of 1932	3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	88
PID 3392 wrote to memory of 1932	3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	88
PID 3392 wrote to memory of 1932	3392	1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	88
PID 4900 wrote to memory of 2132	4900	TXPlatforn.exe	89
PID 4900 wrote to memory of 2132	4900	TXPlatforn.exe	89
PID 4900 wrote to memory of 2132	4900	TXPlatforn.exe	89
PID 760 wrote to memory of 972	760	cmd.exe	92
PID 760 wrote to memory of 972	760	cmd.exe	92
PID 760 wrote to memory of 972	760	cmd.exe	92
PID 1932 wrote to memory of 1172	1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	93
PID 1932 wrote to memory of 1172	1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	93
PID 1932 wrote to memory of 1172	1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	93
PID 1932 wrote to memory of 3772	1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	94
PID 1932 wrote to memory of 3772	1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	94
PID 1932 wrote to memory of 3772	1932	HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	94
PID 1172 wrote to memory of 892	1172	._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	95
PID 1172 wrote to memory of 892	1172	._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	95
PID 1172 wrote to memory of 892	1172	._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe	95
PID 3772 wrote to memory of 3080	3772	Synaptics.exe	97
PID 3772 wrote to memory of 3080	3772	Synaptics.exe	97
PID 3772 wrote to memory of 3080	3772	Synaptics.exe	97
PID 3080 wrote to memory of 1876	3080	._cache_Synaptics.exe	99
PID 3080 wrote to memory of 1876	3080	._cache_Synaptics.exe	99
PID 3080 wrote to memory of 1876	3080	._cache_Synaptics.exe	99

C:\Users\Admin\AppData\Local\Temp\1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
"C:\Users\Admin\AppData\Local\Temp\1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3188
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:760
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:972
- C:\Users\Admin\AppData\Local\Temp\HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
  C:\Users\Admin\AppData\Local\Temp\HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
  2⤵
  - 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:1932
- - C:\Users\Admin\AppData\Local\Temp\._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_HD_1adcf2e4d8d4d2c6444f74992f8e181b42139854e62774fae39b711b27a47327.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1172
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX0\LOL查号器.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\LOL查号器.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:892
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:3772
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3080
    - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\LOL查号器.exe
        
        "C:\Users\Admin\AppData\Local\Temp\RarSFX1\LOL查号器.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:1876

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:2132

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:1108

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

T1112

Credential Access

Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery